The patch titled
Subject: thp: use khugepaged_enabled to remove duplicate code
has been added to the -mm tree. Its filename is
thp-use-khugepaged_enabled-to-remove-duplicate-code.patch
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The -mm tree is included into linux-next and is updated
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------------------------------------------------------
From: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxxxxxx>
Subject: thp: use khugepaged_enabled to remove duplicate code
Use khugepaged_enabled to see whether thp is enabled
Signed-off-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/huge_memory.c | 11 ++---------
1 file changed, 2 insertions(+), 9 deletions(-)
diff -puN mm/huge_memory.c~thp-use-khugepaged_enabled-to-remove-duplicate-code mm/huge_memory.c
--- a/mm/huge_memory.c~thp-use-khugepaged_enabled-to-remove-duplicate-code
+++ a/mm/huge_memory.c
@@ -102,10 +102,7 @@ static int set_recommended_min_free_kbyt
unsigned long recommended_min;
extern int min_free_kbytes;
- if (!test_bit(TRANSPARENT_HUGEPAGE_FLAG,
- &transparent_hugepage_flags) &&
- !test_bit(TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG,
- &transparent_hugepage_flags))
+ if (!khugepaged_enabled())
return 0;
for_each_populated_zone(zone)
@@ -228,11 +225,7 @@ static ssize_t enabled_store(struct kobj
ret = err;
}
- if (ret > 0 &&
- (test_bit(TRANSPARENT_HUGEPAGE_FLAG,
- &transparent_hugepage_flags) ||
- test_bit(TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG,
- &transparent_hugepage_flags)))
+ if (ret > 0 && khugepaged_enabled())
set_recommended_min_free_kbytes();
return ret;
_
Patches currently in -mm which might be from xiaoguangrong@xxxxxxxxxxxxxxxxxx are
linux-next.patch
thp-fix-the-count-of-thp_collapse_alloc.patch
thp-remove-unnecessary-check-in-start_khugepaged.patch
thp-move-khugepaged_mutex-out-of-khugepaged.patch
thp-remove-unnecessary-khugepaged_thread-check.patch
thp-remove-wake_up_interruptible-in-the-exit-path.patch
thp-remove-some-code-depend-on-config_numa.patch
thp-merge-page-pre-alloc-in-khugepaged_loop-into-khugepaged_do_scan.patch
thp-release-page-in-page-pre-alloc-path.patch
thp-introduce-khugepaged_prealloc_page-and-khugepaged_alloc_page.patch
thp-remove-khugepaged_loop.patch
thp-use-khugepaged_enabled-to-remove-duplicate-code.patch
thp-remove-unnecessary-set_recommended_min_free_kbytes.patch
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