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Btrfs: use kmem_cache_free when freeing entry in inode cache
The free space entries are allocated using kmem_cache_zalloc(), through __btrfs_add_free_space(), therefore we should use kmem_cache_free() and not kfree() to avoid any confusion and any potential problem. Looking at the kfree() definition at mm/slab.c it has the following comment: /* * (...) * * Don't free memory not originally allocated by kmalloc() * or you will run into trouble. */ So better be safe and use kmem_cache_free(). Cc: stable@vger.kernel.org Signed-off-by: Filipe Manana <fdmanana@suse.com> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <clm@fb.com>
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@ -271,7 +271,7 @@ void btrfs_unpin_free_ino(struct btrfs_root *root)
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__btrfs_add_free_space(ctl, info->offset, count);
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free:
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rb_erase(&info->offset_index, rbroot);
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kfree(info);
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kmem_cache_free(btrfs_free_space_cachep, info);
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}
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}
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