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thp: use khugepaged_enabled to remove duplicate code

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Use khugepaged_enabled to see whether thp is enabled

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Xiao Guangrong 2012-10-08 16:29:56 -07:00 committed by Linus Torvalds
parent b7231789b0
commit 17c230afa5
1 changed files with 2 additions and 9 deletions
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11
mm/huge_memory.c
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@ -102,10 +102,7 @@ static int set_recommended_min_free_kbytes(void)
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 kobject *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;