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Commit f7e2355f authored by James Morse's avatar James Morse Committed by Linus Torvalds
Browse files

mm: pagewalk: fix the comment for test_walk 

Modify the comment describing struct mm_walk->test_walk()s behaviour to
match the comment on walk_page_test() and the behaviour of
walk_page_vma().

Fixes: fafaa426 ("pagewalk: improve vma handling")
Link: http://lkml.kernel.org/r/1471622518-21980-1-git-send-email-james.morse@arm.com


Signed-off-by: default avatarJames Morse <james.morse@arm.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent c4b209a4

include/linux/mm.h

+2 −2
Original line number Original line Diff line number Diff line
@@ -1197,10 +1197,10 @@ void unmap_vmas(struct mmu_gather *tlb, struct vm_area_struct *start_vma, 
 * @pte_hole: if set, called for each hole at all levels

 * @pte_hole: if set, called for each hole at all levels

 * @hugetlb_entry: if set, called for each hugetlb entry

 * @hugetlb_entry: if set, called for each hugetlb entry

 * @test_walk: caller specific callback function to determine whether

 * @test_walk: caller specific callback function to determine whether

 *             we walk over the current vma or not. A positive returned

 *             we walk over the current vma or not. Returning 0

 *             value means "do page table walk over the current vma,"

 *             value means "do page table walk over the current vma,"

 *             and a negative one means "abort current page table walk

 *             and a negative one means "abort current page table walk

 *             right now." 0 means "skip the current vma."

 *             right now." 1 means "skip the current vma."

 * @mm:        mm_struct representing the target process of page table walk

 * @mm:        mm_struct representing the target process of page table walk

 * @vma:       vma currently walked (NULL if walking outside vmas)

 * @vma:       vma currently walked (NULL if walking outside vmas)

 * @private:   private data for callbacks' usage

 * @private:   private data for callbacks' usage