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mm: slabinfo: remove CONFIG_SLABINFO

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According to discussion with Christoph
(https://marc.info/?l=linux-kernel&m=150695909709711&w=2), it sounds like
it is pointless to keep CONFIG_SLABINFO around.

This patch removes the CONFIG_SLABINFO config option, but /proc/slabinfo
is still available.

[[email protected]: v11]
  Link: http://lkml.kernel.org/r/[email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Yang Shi <[email protected]>
Acked-by: David Rientjes <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Pekka Enberg <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Yang Shi 2017-11-15 17:32:03 -08:00 • committed by Linus Torvalds
commit 5b36577109
5 changed files with 6 additions and 15 deletions
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4
mm/slub.c
View file

@ -5852,7 +5852,7 @@ __initcall(slab_sysfs_init);
/*
* The /proc/slabinfo ABI
*/
#ifdef CONFIG_SLABINFO
#ifdef CONFIG_SLUB_DEBUG
void get_slabinfo(struct kmem_cache *s, struct slabinfo *sinfo)
{
unsigned long nr_slabs = 0;
@ -5884,4 +5884,4 @@ ssize_t slabinfo_write(struct file *file, const char __user *buffer,
{
return -EIO;
}
#endif /* CONFIG_SLABINFO */
#endif /* CONFIG_SLUB_DEBUG */