slab: make usercopy region 32-bit
If kmem case sizes are 32-bit, then usecopy region should be too. Link: http://lkml.kernel.org/r/20180305200730.15812-21-adobriyan@gmail.com Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: David Miller <davem@davemloft.net> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -143,7 +143,7 @@ struct kmem_cache *kmem_cache_create(const char *name, unsigned int size,
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struct kmem_cache *kmem_cache_create_usercopy(const char *name,
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unsigned int size, unsigned int align,
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slab_flags_t flags,
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size_t useroffset, size_t usersize,
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unsigned int useroffset, unsigned int usersize,
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void (*ctor)(void *));
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void kmem_cache_destroy(struct kmem_cache *);
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int kmem_cache_shrink(struct kmem_cache *);
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@ -85,8 +85,8 @@ struct kmem_cache {
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unsigned int *random_seq;
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#endif
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size_t useroffset; /* Usercopy region offset */
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size_t usersize; /* Usercopy region size */
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unsigned int useroffset; /* Usercopy region offset */
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unsigned int usersize; /* Usercopy region size */
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struct kmem_cache_node *node[MAX_NUMNODES];
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};
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@ -137,8 +137,8 @@ struct kmem_cache {
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struct kasan_cache kasan_info;
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#endif
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size_t useroffset; /* Usercopy region offset */
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size_t usersize; /* Usercopy region size */
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unsigned int useroffset; /* Usercopy region offset */
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unsigned int usersize; /* Usercopy region size */
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struct kmem_cache_node *node[MAX_NUMNODES];
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};
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@ -1114,8 +1114,8 @@ struct proto {
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struct kmem_cache *slab;
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unsigned int obj_size;
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slab_flags_t slab_flags;
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size_t useroffset; /* Usercopy region offset */
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size_t usersize; /* Usercopy region size */
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unsigned int useroffset; /* Usercopy region offset */
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unsigned int usersize; /* Usercopy region size */
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struct percpu_counter *orphan_count;
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@ -22,8 +22,8 @@ struct kmem_cache {
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unsigned int size; /* The aligned/padded/added on size */
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unsigned int align; /* Alignment as calculated */
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slab_flags_t flags; /* Active flags on the slab */
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size_t useroffset; /* Usercopy region offset */
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size_t usersize; /* Usercopy region size */
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unsigned int useroffset;/* Usercopy region offset */
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unsigned int usersize; /* Usercopy region size */
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const char *name; /* Slab name for sysfs */
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int refcount; /* Use counter */
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void (*ctor)(void *); /* Called on object slot creation */
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@ -380,8 +380,8 @@ struct kmem_cache *find_mergeable(unsigned int size, unsigned int align,
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static struct kmem_cache *create_cache(const char *name,
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unsigned int object_size, unsigned int size, unsigned int align,
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slab_flags_t flags, size_t useroffset,
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size_t usersize, void (*ctor)(void *),
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slab_flags_t flags, unsigned int useroffset,
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unsigned int usersize, void (*ctor)(void *),
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struct mem_cgroup *memcg, struct kmem_cache *root_cache)
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{
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struct kmem_cache *s;
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@ -454,7 +454,8 @@ out_free_cache:
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struct kmem_cache *
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kmem_cache_create_usercopy(const char *name,
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unsigned int size, unsigned int align,
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slab_flags_t flags, size_t useroffset, size_t usersize,
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slab_flags_t flags,
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unsigned int useroffset, unsigned int usersize,
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void (*ctor)(void *))
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{
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struct kmem_cache *s = NULL;
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