UBIFS: save 128KiB or more RAM
When debugging is enabled, we allocate a buffer of PEB size for various debugging purposes. However, now all users of this buffer are gone and we can safely remove it and save 128KiB or more RAM. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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@ -2701,16 +2701,8 @@ int ubifs_debugging_init(struct ubifs_info *c)
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if (!c->dbg)
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return -ENOMEM;
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c->dbg->buf = vmalloc(c->leb_size);
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if (!c->dbg->buf)
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goto out;
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failure_mode_init(c);
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return 0;
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out:
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kfree(c->dbg);
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return -ENOMEM;
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}
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/**
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@ -2720,7 +2712,6 @@ out:
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void ubifs_debugging_exit(struct ubifs_info *c)
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{
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failure_mode_exit(c);
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vfree(c->dbg->buf);
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kfree(c->dbg);
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}
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@ -27,7 +27,6 @@
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/**
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* ubifs_debug_info - per-FS debugging information.
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* @buf: a buffer of LEB size, used for various purposes
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* @old_zroot: old index root - used by 'dbg_check_old_index()'
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* @old_zroot_level: old index root level - used by 'dbg_check_old_index()'
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* @old_zroot_sqnum: old index root sqnum - used by 'dbg_check_old_index()'
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@ -54,7 +53,6 @@
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* dfs_dump_tnc: "dump TNC" debugfs knob
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*/
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struct ubifs_debug_info {
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void *buf;
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struct ubifs_zbranch old_zroot;
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int old_zroot_level;
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unsigned long long old_zroot_sqnum;
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