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authorLi RongQing <roy.qing.li@gmail.com>2016-07-26 15:26:56 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-07-26 16:19:19 -0700
commit25843c2b21d675c68e512daa4a2b50a18f7a840d (patch)
tree35599222200d1cf169bf45f6f70df377b635d08f /mm/memcontrol.c
parent17408d785a2eda374b7e673afe20309687a63f08 (diff)
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mm: memcontrol: fix documentation for compound parameter
Commit f627c2f53786 ("memcg: adjust to support new THP refcounting") adds a compound parameter for several functions, and change one as compound for mem_cgroup_move_account but it does not change the comments. Link: http://lkml.kernel.org/r/1465368216-9393-1-git-send-email-roy.qing.li@gmail.com Signed-off-by: Li RongQing <roy.qing.li@gmail.com> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 36d6e32..f3a84c6 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4507,7 +4507,7 @@ static struct page *mc_handle_file_pte(struct vm_area_struct *vma,
/**
* mem_cgroup_move_account - move account of the page
* @page: the page
- * @nr_pages: number of regular pages (>1 for huge pages)
+ * @compound: charge the page as compound or small page
* @from: mem_cgroup which the page is moved from.
* @to: mem_cgroup which the page is moved to. @from != @to.
*
@@ -5369,6 +5369,7 @@ bool mem_cgroup_low(struct mem_cgroup *root, struct mem_cgroup *memcg)
* @mm: mm context of the victim
* @gfp_mask: reclaim mode
* @memcgp: charged memcg return
+ * @compound: charge the page as compound or small page
*
* Try to charge @page to the memcg that @mm belongs to, reclaiming
* pages according to @gfp_mask if necessary.
@@ -5431,6 +5432,7 @@ out:
* @page: page to charge
* @memcg: memcg to charge the page to
* @lrucare: page might be on LRU already
+ * @compound: charge the page as compound or small page
*
* Finalize a charge transaction started by mem_cgroup_try_charge(),
* after page->mapping has been set up. This must happen atomically
@@ -5482,6 +5484,7 @@ void mem_cgroup_commit_charge(struct page *page, struct mem_cgroup *memcg,
* mem_cgroup_cancel_charge - cancel a page charge
* @page: page to charge
* @memcg: memcg to charge the page to
+ * @compound: charge the page as compound or small page
*
* Cancel a charge transaction started by mem_cgroup_try_charge().
*/
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