Subject: + thp-account-anon-transparent-huge-pages-into-nr_anon_pages-fix.patch added to -mm tree
To: kirill.shutemov@xxxxxxxxxxxxxxx,aarcange@xxxxxxxxxx,dave.hansen@xxxxxxxxxxxxxxx,mgorman@xxxxxxx,quning@xxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Tue, 10 Sep 2013 16:59:29 -0700
The patch titled
Subject: mm: fix accounting on page_remove_rmap()
has been added to the -mm tree. Its filename is
thp-account-anon-transparent-huge-pages-into-nr_anon_pages-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/thp-account-anon-transparent-huge-pages-into-nr_anon_pages-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/thp-account-anon-transparent-huge-pages-into-nr_anon_pages-fix.patch
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------------------------------------------------------
From: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Subject: mm: fix accounting on page_remove_rmap()
There's typo in page_remove_rmap(): we increase NR_ANON_PAGES counter
instead of decreasing it. Let's fix this.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Reported-by: Ning Qu <quning@xxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/rmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/rmap.c~thp-account-anon-transparent-huge-pages-into-nr_anon_pages-fix mm/rmap.c
--- a/mm/rmap.c~thp-account-anon-transparent-huge-pages-into-nr_anon_pages-fix
+++ a/mm/rmap.c
@@ -1152,7 +1152,7 @@ void page_remove_rmap(struct page *page)
__dec_zone_page_state(page,
NR_ANON_TRANSPARENT_HUGEPAGES);
__mod_zone_page_state(page_zone(page), NR_ANON_PAGES,
- hpage_nr_pages(page));
+ -hpage_nr_pages(page));
} else {
__dec_zone_page_state(page, NR_FILE_MAPPED);
mem_cgroup_dec_page_stat(page, MEM_CGROUP_STAT_FILE_MAPPED);
_
Patches currently in -mm which might be from kirill.shutemov@xxxxxxxxxxxxxxx are
origin.patch
mm-fix-potential-null-pointer-dereference.patch
thp-mm-locking-tail-page-is-a-bug.patch
thp-mm-locking-tail-page-is-a-bug-fix.patch
truncate-drop-oldsize-truncate_pagecache-parameter.patch
mm-drop-actor-argument-of-do_generic_file_read.patch
mm-drop-actor-argument-of-do_generic_file_read-fix.patch
thp-account-anon-transparent-huge-pages-into-nr_anon_pages.patch
thp-account-anon-transparent-huge-pages-into-nr_anon_pages-fix.patch
mm-cleanup-add_to_page_cache_locked.patch
thp-move-maybe_pmd_mkwrite-out-of-mk_huge_pmd.patch
thp-do_huge_pmd_anonymous_page-cleanup.patch
thp-consolidate-code-between-handle_mm_fault-and-do_huge_pmd_anonymous_page.patch
mm-thp-count-thp_fault_fallback-anytime-thp-fault-fails.patch
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