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thp: fix comments of __pmd_trans_huge_lock()
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To make the comments consistent with the already changed code.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: "Huang, Ying" <[email protected]>
Acked-by: Kirill A. Shutemov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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yhuang-intel authored and torvalds committed Jul 26, 2016
1 parent cb773df commit 8f19b0c
Showing 1 changed file with 3 additions and 3 deletions.
6 changes: 3 additions & 3 deletions mm/huge_memory.c
Original file line number Diff line number Diff line change
Expand Up @@ -1458,10 +1458,10 @@ int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
}

/*
* Returns true if a given pmd maps a thp, false otherwise.
* Returns page table lock pointer if a given pmd maps a thp, NULL otherwise.
*
* Note that if it returns true, this routine returns without unlocking page
* table lock. So callers must unlock it.
* Note that if it returns page table lock pointer, this routine returns without
* unlocking page table lock. So callers must unlock it.
*/
spinlock_t *__pmd_trans_huge_lock(pmd_t *pmd, struct vm_area_struct *vma)
{
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