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authorGavin Shan <shangw@linux.vnet.ibm.com>2012-05-29 15:06:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-29 16:22:23 -0700
commitbe9cd873e2a706a688e37224d48e135efd8c0d26 (patch)
tree7e962e6da0b1cd010ded0b1901394c78e85863e2 /mm
parent782182e53a6cdb3e3d04cc40516e173046942a32 (diff)
downloadop-kernel-dev-be9cd873e2a706a688e37224d48e135efd8c0d26.zip
op-kernel-dev-be9cd873e2a706a688e37224d48e135efd8c0d26.tar.gz
mm/buddy: dump PG_compound_lock page flag
The array pageflag_names[] does conversion from page flags into their corresponding names so that a meaningful representation of the corresponding page flag can be printed. This mechanism is used while dumping page frames. However, the array missed PG_compound_lock. So the PG_compound_lock page flag would be printed as a digital number instead of a meaningful string. The patch fixes that and prints "compound_lock" for the PG_compound_lock page flag. Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.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')
-rw-r--r--mm/page_alloc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 457b4de..72869ea 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5973,6 +5973,9 @@ static struct trace_print_flags pageflag_names[] = {
#ifdef CONFIG_MEMORY_FAILURE
{1UL << PG_hwpoison, "hwpoison" },
#endif
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ {1UL << PG_compound_lock, "compound_lock" },
+#endif
{-1UL, NULL },
};
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