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authorAndrea Arcangeli <[email protected]>2011-06-15 15:08:08 -0700
committerLinus Torvalds <[email protected]>2011-06-15 20:03:58 -0700
commitf300ea499721ca208fc4714b9105bfd7e9f75be0 (patch)
treeafa4cb47cf030647491066b816df7f5fbf239bc6
parentada9c93312f7ec49514c68c211595ce2601cebae (diff)
mm: remove khugepaged double thp vmstat update with CONFIG_NUMA=n
Johannes noticed the vmstat update is already taken care of by khugepaged_alloc_hugepage() internally. The only places that are required to update the vmstat are the callers of alloc_hugepage (callers of khugepaged_alloc_hugepage aren't). Signed-off-by: Andrea Arcangeli <[email protected]> Reported-by: Johannes Weiner <[email protected]> Acked-by: Rik van Riel <[email protected]> Reviewed-by: Minchan Kim <[email protected]> Acked-by: Johannes Weiner <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--mm/huge_memory.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 615d9743a3cb..81532f297fd2 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2234,11 +2234,8 @@ static void khugepaged_loop(void)
while (likely(khugepaged_enabled())) {
#ifndef CONFIG_NUMA
hpage = khugepaged_alloc_hugepage();
- if (unlikely(!hpage)) {
- count_vm_event(THP_COLLAPSE_ALLOC_FAILED);
+ if (unlikely(!hpage))
break;
- }
- count_vm_event(THP_COLLAPSE_ALLOC);
#else
if (IS_ERR(hpage)) {
khugepaged_alloc_sleep();