From: James Morse Date: Sat, 10 Sep 2016 10:34:08 +0000 (+1000) Subject: mm: pagewalk: fix the comment for test_walk X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=37b3a735932b6662210aeec6804dc1dc59cc6027;p=deliverable%2Flinux.git 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: fafaa4264eba4 ("pagewalk: improve vma handling") Link: http://lkml.kernel.org/r/1471622518-21980-1-git-send-email-james.morse@arm.com Signed-off-by: James Morse Cc: Naoya Horiguchi Signed-off-by: Andrew Morton --- diff --git a/include/linux/mm.h b/include/linux/mm.h index 3bc861c5d7f1..f4e639e849a6 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -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 * @hugetlb_entry: if set, called for each hugetlb entry * @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," * 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 * @vma: vma currently walked (NULL if walking outside vmas) * @private: private data for callbacks' usage