mm: use octal not symbolic permissions
mm/*.c files use symbolic and octal styles for permissions. Using octal and not symbolic permissions is preferred by many as more readable. https://lkml.org/lkml/2016/8/2/1945 Prefer the direct use of octal for permissions. Done using $ scripts/checkpatch.pl -f --types=SYMBOLIC_PERMS --fix-inplace mm/*.c and some typing. Before: $ git grep -P -w "0[0-7]{3,3}" mm | wc -l 44 After: $ git grep -P -w "0[0-7]{3,3}" mm | wc -l 86 Miscellanea: o Whitespace neatening around these conversions. Link: http://lkml.kernel.org/r/2e032ef111eebcd4c5952bae86763b541d373469.1522102887.git.joe@perches.com Signed-off-by: Joe Perches <joe@perches.com> Acked-by: David Rientjes <rientjes@google.com> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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14f28f5776
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0825a6f986
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@ -307,12 +307,10 @@ static int __init init_cleancache(void)
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struct dentry *root = debugfs_create_dir("cleancache", NULL);
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if (root == NULL)
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return -ENXIO;
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debugfs_create_u64("succ_gets", S_IRUGO, root, &cleancache_succ_gets);
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debugfs_create_u64("failed_gets", S_IRUGO,
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root, &cleancache_failed_gets);
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debugfs_create_u64("puts", S_IRUGO, root, &cleancache_puts);
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debugfs_create_u64("invalidates", S_IRUGO,
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root, &cleancache_invalidates);
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debugfs_create_u64("succ_gets", 0444, root, &cleancache_succ_gets);
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debugfs_create_u64("failed_gets", 0444, root, &cleancache_failed_gets);
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debugfs_create_u64("puts", 0444, root, &cleancache_puts);
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debugfs_create_u64("invalidates", 0444, root, &cleancache_invalidates);
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#endif
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return 0;
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}
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@ -172,23 +172,18 @@ static void cma_debugfs_add_one(struct cma *cma, int idx)
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tmp = debugfs_create_dir(name, cma_debugfs_root);
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debugfs_create_file("alloc", S_IWUSR, tmp, cma,
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&cma_alloc_fops);
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debugfs_create_file("free", S_IWUSR, tmp, cma,
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&cma_free_fops);
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debugfs_create_file("base_pfn", S_IRUGO, tmp,
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debugfs_create_file("alloc", 0200, tmp, cma, &cma_alloc_fops);
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debugfs_create_file("free", 0200, tmp, cma, &cma_free_fops);
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debugfs_create_file("base_pfn", 0444, tmp,
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&cma->base_pfn, &cma_debugfs_fops);
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debugfs_create_file("count", S_IRUGO, tmp,
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&cma->count, &cma_debugfs_fops);
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debugfs_create_file("order_per_bit", S_IRUGO, tmp,
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debugfs_create_file("count", 0444, tmp, &cma->count, &cma_debugfs_fops);
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debugfs_create_file("order_per_bit", 0444, tmp,
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&cma->order_per_bit, &cma_debugfs_fops);
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debugfs_create_file("used", S_IRUGO, tmp, cma, &cma_used_fops);
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debugfs_create_file("maxchunk", S_IRUGO, tmp, cma, &cma_maxchunk_fops);
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debugfs_create_file("used", 0444, tmp, cma, &cma_used_fops);
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debugfs_create_file("maxchunk", 0444, tmp, cma, &cma_maxchunk_fops);
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u32s = DIV_ROUND_UP(cma_bitmap_maxno(cma), BITS_PER_BYTE * sizeof(u32));
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debugfs_create_u32_array("bitmap", S_IRUGO, tmp, (u32*)cma->bitmap, u32s);
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debugfs_create_u32_array("bitmap", 0444, tmp, (u32 *)cma->bitmap, u32s);
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}
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static int __init cma_debugfs_init(void)
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@ -1899,7 +1899,7 @@ static ssize_t sysfs_compact_node(struct device *dev,
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return count;
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}
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static DEVICE_ATTR(compact, S_IWUSR, NULL, sysfs_compact_node);
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static DEVICE_ATTR(compact, 0200, NULL, sysfs_compact_node);
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int compaction_register_node(struct node *node)
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{
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@ -105,7 +105,7 @@ show_pools(struct device *dev, struct device_attribute *attr, char *buf)
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return PAGE_SIZE - size;
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}
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static DEVICE_ATTR(pools, S_IRUGO, show_pools, NULL);
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static DEVICE_ATTR(pools, 0444, show_pools, NULL);
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/**
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* dma_pool_create - Creates a pool of consistent memory blocks, for dma.
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@ -42,7 +42,7 @@ __setup("failslab=", setup_failslab);
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static int __init failslab_debugfs_init(void)
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{
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struct dentry *dir;
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umode_t mode = S_IFREG | S_IRUSR | S_IWUSR;
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umode_t mode = S_IFREG | 0600;
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dir = fault_create_debugfs_attr("failslab", NULL, &failslab.attr);
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if (IS_ERR(dir))
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@ -486,12 +486,11 @@ static int __init init_frontswap(void)
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struct dentry *root = debugfs_create_dir("frontswap", NULL);
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if (root == NULL)
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return -ENXIO;
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debugfs_create_u64("loads", S_IRUGO, root, &frontswap_loads);
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debugfs_create_u64("succ_stores", S_IRUGO, root, &frontswap_succ_stores);
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debugfs_create_u64("failed_stores", S_IRUGO, root,
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debugfs_create_u64("loads", 0444, root, &frontswap_loads);
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debugfs_create_u64("succ_stores", 0444, root, &frontswap_succ_stores);
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debugfs_create_u64("failed_stores", 0444, root,
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&frontswap_failed_stores);
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debugfs_create_u64("invalidates", S_IRUGO,
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root, &frontswap_invalidates);
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debugfs_create_u64("invalidates", 0444, root, &frontswap_invalidates);
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#endif
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return 0;
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}
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@ -1809,10 +1809,13 @@ static int __init memblock_init_debugfs(void)
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struct dentry *root = debugfs_create_dir("memblock", NULL);
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if (!root)
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return -ENXIO;
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debugfs_create_file("memory", S_IRUGO, root, &memblock.memory, &memblock_debug_fops);
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debugfs_create_file("reserved", S_IRUGO, root, &memblock.reserved, &memblock_debug_fops);
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debugfs_create_file("memory", 0444, root,
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&memblock.memory, &memblock_debug_fops);
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debugfs_create_file("reserved", 0444, root,
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&memblock.reserved, &memblock_debug_fops);
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#ifdef CONFIG_HAVE_MEMBLOCK_PHYS_MAP
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debugfs_create_file("physmem", S_IRUGO, root, &memblock.physmem, &memblock_debug_fops);
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debugfs_create_file("physmem", 0444, root,
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&memblock.physmem, &memblock_debug_fops);
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#endif
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return 0;
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@ -3061,7 +3061,7 @@ static bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order)
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static int __init fail_page_alloc_debugfs(void)
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{
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umode_t mode = S_IFREG | S_IRUSR | S_IWUSR;
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umode_t mode = S_IFREG | 0600;
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struct dentry *dir;
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dir = fault_create_debugfs_attr("fail_page_alloc", NULL,
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@ -201,7 +201,7 @@ static ssize_t page_idle_bitmap_write(struct file *file, struct kobject *kobj,
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}
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static struct bin_attribute page_idle_bitmap_attr =
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__BIN_ATTR(bitmap, S_IRUSR | S_IWUSR,
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__BIN_ATTR(bitmap, 0600,
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page_idle_bitmap_read, page_idle_bitmap_write, 0);
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static struct bin_attribute *page_idle_bin_attrs[] = {
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@ -631,7 +631,7 @@ static int __init pageowner_init(void)
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return 0;
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}
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dentry = debugfs_create_file("page_owner", S_IRUSR, NULL,
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dentry = debugfs_create_file("page_owner", 0400, NULL,
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NULL, &proc_page_owner_operations);
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return PTR_ERR_OR_ZERO(dentry);
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@ -3013,7 +3013,8 @@ static int shmem_symlink(struct inode *dir, struct dentry *dentry, const char *s
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if (len > PAGE_SIZE)
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return -ENAMETOOLONG;
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inode = shmem_get_inode(dir->i_sb, dir, S_IFLNK|S_IRWXUGO, 0, VM_NORESERVE);
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inode = shmem_get_inode(dir->i_sb, dir, S_IFLNK | 0777, 0,
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VM_NORESERVE);
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if (!inode)
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return -ENOSPC;
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@ -3445,7 +3446,7 @@ static int shmem_show_options(struct seq_file *seq, struct dentry *root)
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sbinfo->max_blocks << (PAGE_SHIFT - 10));
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if (sbinfo->max_inodes != shmem_default_max_inodes())
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seq_printf(seq, ",nr_inodes=%lu", sbinfo->max_inodes);
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if (sbinfo->mode != (S_IRWXUGO | S_ISVTX))
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if (sbinfo->mode != (0777 | S_ISVTX))
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seq_printf(seq, ",mode=%03ho", sbinfo->mode);
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if (!uid_eq(sbinfo->uid, GLOBAL_ROOT_UID))
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seq_printf(seq, ",uid=%u",
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@ -3486,7 +3487,7 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent)
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if (!sbinfo)
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return -ENOMEM;
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sbinfo->mode = S_IRWXUGO | S_ISVTX;
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sbinfo->mode = 0777 | S_ISVTX;
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sbinfo->uid = current_fsuid();
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sbinfo->gid = current_fsgid();
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sb->s_fs_info = sbinfo;
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@ -3929,7 +3930,7 @@ static struct file *__shmem_file_setup(struct vfsmount *mnt, const char *name, l
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d_set_d_op(path.dentry, &anon_ops);
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res = ERR_PTR(-ENOSPC);
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inode = shmem_get_inode(sb, NULL, S_IFREG | S_IRWXUGO, 0, flags);
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inode = shmem_get_inode(sb, NULL, S_IFREG | 0777, 0, flags);
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if (!inode)
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goto put_memory;
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@ -1243,9 +1243,9 @@ void cache_random_seq_destroy(struct kmem_cache *cachep)
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#if defined(CONFIG_SLAB) || defined(CONFIG_SLUB_DEBUG)
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#ifdef CONFIG_SLAB
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#define SLABINFO_RIGHTS (S_IWUSR | S_IRUSR)
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#define SLABINFO_RIGHTS (0600)
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#else
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#define SLABINFO_RIGHTS S_IRUSR
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#define SLABINFO_RIGHTS (0400)
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#endif
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static void print_slabinfo_header(struct seq_file *m)
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@ -2741,11 +2741,11 @@ static const struct seq_operations vmalloc_op = {
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static int __init proc_vmalloc_init(void)
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{
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if (IS_ENABLED(CONFIG_NUMA))
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proc_create_seq_private("vmallocinfo", S_IRUSR, NULL,
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proc_create_seq_private("vmallocinfo", 0400, NULL,
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&vmalloc_op,
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nr_node_ids * sizeof(unsigned int), NULL);
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else
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proc_create_seq("vmallocinfo", S_IRUSR, NULL, &vmalloc_op);
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proc_create_seq("vmallocinfo", 0400, NULL, &vmalloc_op);
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return 0;
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}
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module_init(proc_vmalloc_init);
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@ -661,8 +661,9 @@ static void zs_pool_stat_create(struct zs_pool *pool, const char *name)
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}
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pool->stat_dentry = entry;
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entry = debugfs_create_file("classes", S_IFREG | S_IRUGO,
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pool->stat_dentry, pool, &zs_stats_size_fops);
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entry = debugfs_create_file("classes", S_IFREG | 0444,
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pool->stat_dentry, pool,
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&zs_stats_size_fops);
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if (!entry) {
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pr_warn("%s: debugfs file entry <%s> creation failed\n",
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name, "classes");
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18
mm/zswap.c
18
mm/zswap.c
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@ -1256,23 +1256,23 @@ static int __init zswap_debugfs_init(void)
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if (!zswap_debugfs_root)
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return -ENOMEM;
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debugfs_create_u64("pool_limit_hit", S_IRUGO,
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debugfs_create_u64("pool_limit_hit", 0444,
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zswap_debugfs_root, &zswap_pool_limit_hit);
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debugfs_create_u64("reject_reclaim_fail", S_IRUGO,
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debugfs_create_u64("reject_reclaim_fail", 0444,
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zswap_debugfs_root, &zswap_reject_reclaim_fail);
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debugfs_create_u64("reject_alloc_fail", S_IRUGO,
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debugfs_create_u64("reject_alloc_fail", 0444,
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zswap_debugfs_root, &zswap_reject_alloc_fail);
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debugfs_create_u64("reject_kmemcache_fail", S_IRUGO,
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debugfs_create_u64("reject_kmemcache_fail", 0444,
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zswap_debugfs_root, &zswap_reject_kmemcache_fail);
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debugfs_create_u64("reject_compress_poor", S_IRUGO,
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debugfs_create_u64("reject_compress_poor", 0444,
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zswap_debugfs_root, &zswap_reject_compress_poor);
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debugfs_create_u64("written_back_pages", S_IRUGO,
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debugfs_create_u64("written_back_pages", 0444,
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zswap_debugfs_root, &zswap_written_back_pages);
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debugfs_create_u64("duplicate_entry", S_IRUGO,
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debugfs_create_u64("duplicate_entry", 0444,
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zswap_debugfs_root, &zswap_duplicate_entry);
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debugfs_create_u64("pool_total_size", S_IRUGO,
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debugfs_create_u64("pool_total_size", 0444,
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zswap_debugfs_root, &zswap_pool_total_size);
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debugfs_create_atomic_t("stored_pages", S_IRUGO,
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debugfs_create_atomic_t("stored_pages", 0444,
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zswap_debugfs_root, &zswap_stored_pages);
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debugfs_create_atomic_t("same_filled_pages", 0444,
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zswap_debugfs_root, &zswap_same_filled_pages);
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