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include/linux/huge_mm.h: return NULL instead of false for pmd_trans_huge_lock()

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The return value of pmd_trans_huge_lock() is a pointer, not a boolean
value, so use NULL instead of false as the return value.

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Chen Gang
2016-04-01 14:31:17 -07:00
committed by Linus Torvalds
parent 0b355eaaaa
commit 969e8d7e47
1 changed files with 1 additions and 1 deletions
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include/linux/huge_mm.h
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@ -127,7 +127,7 @@ static inline spinlock_t *pmd_trans_huge_lock(pmd_t *pmd,
if (pmd_trans_huge(*pmd) || pmd_devmap(*pmd))
return __pmd_trans_huge_lock(pmd, vma);
else
return false;
return NULL;
}
static inline int hpage_nr_pages(struct page *page)
{