diff options
author | Alexander Graf <agraf@suse.de> | 2012-10-31 13:36:18 +0100 |
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committer | Alexander Graf <agraf@suse.de> | 2012-10-31 13:36:18 +0100 |
commit | 0588000eac9ba4178cebade437da3b28e8fad48f (patch) | |
tree | 697e514a0a0193f17a54f372dd18c5cd3927e154 /fs/proc/page.c | |
parent | 8b5869ad85f703ffeb25e656eab826f6b85b984c (diff) | |
parent | 81c52c56e2b43589091ee29038bcf793d3f184ab (diff) |
Merge commit 'origin/queue' into for-queue
Conflicts:
arch/powerpc/include/asm/Kbuild
arch/powerpc/include/uapi/asm/Kbuild
Diffstat (limited to 'fs/proc/page.c')
-rw-r--r-- | fs/proc/page.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/proc/page.c b/fs/proc/page.c index 7fcd0d60a96..b8730d9ebae 100644 --- a/fs/proc/page.c +++ b/fs/proc/page.c @@ -115,7 +115,13 @@ u64 stable_page_flags(struct page *page) u |= 1 << KPF_COMPOUND_TAIL; if (PageHuge(page)) u |= 1 << KPF_HUGE; - else if (PageTransCompound(page)) + /* + * PageTransCompound can be true for non-huge compound pages (slab + * pages or pages allocated by drivers with __GFP_COMP) because it + * just checks PG_head/PG_tail, so we need to check PageLRU to make + * sure a given page is a thp, not a non-huge compound page. + */ + else if (PageTransCompound(page) && PageLRU(compound_trans_head(page))) u |= 1 << KPF_THP; /* |