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Subject[PATCH 01/12] thp: fix the count of THP_COLLAPSE_ALLOC
THP_COLLAPSE_ALLOC is double counted if NUMA is disabled since it has
already been calculated in khugepaged_alloc_hugepage

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
---
mm/huge_memory.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 57c4b93..80bcd42 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1880,9 +1880,9 @@ static void collapse_huge_page(struct mm_struct *mm,
*hpage = ERR_PTR(-ENOMEM);
return;
}
+ count_vm_event(THP_COLLAPSE_ALLOC);
#endif

- count_vm_event(THP_COLLAPSE_ALLOC);
if (unlikely(mem_cgroup_newpage_charge(new_page, mm, GFP_KERNEL))) {
#ifdef CONFIG_NUMA
put_page(new_page);
--
1.7.7.6


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