The patch titled
Subject: mm/mmap.c: __vma_unlink_prev() is not necessary now
has been added to the -mm tree. Its filename is
mm-mmapc-__vma_unlink_prev-is-not-necessary-now.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-mmapc-__vma_unlink_prev-is-not-necessary-now.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-mmapc-__vma_unlink_prev-is-not-necessary-now.patch
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------------------------------------------------------
From: Wei Yang <richardw.yang@xxxxxxxxxxxxxxx>
Subject: mm/mmap.c: __vma_unlink_prev() is not necessary now
The third parameter of __vma_unlink_common() could differentiate these two
types. __vma_unlink_prev() is not necessary now.
Link: http://lkml.kernel.org/r/20191006012636.31521-2-richardw.yang@xxxxxxxxxxxxxxx
Signed-off-by: Wei Yang <richardw.yang@xxxxxxxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Oscar Salvador <osalvador@xxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mmap.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)
--- a/mm/mmap.c~mm-mmapc-__vma_unlink_prev-is-not-necessary-now
+++ a/mm/mmap.c
@@ -702,13 +702,6 @@ static __always_inline void __vma_unlink
vmacache_invalidate(mm);
}
-static inline void __vma_unlink_prev(struct mm_struct *mm,
- struct vm_area_struct *vma,
- struct vm_area_struct *prev)
-{
- __vma_unlink_common(mm, vma, vma);
-}
-
/*
* We cannot adjust vm_start, vm_end, vm_pgoff fields of a vma that
* is already present in an i_mmap tree without adjusting the tree.
@@ -881,7 +874,7 @@ again:
* us to remove next before dropping the locks.
*/
if (remove_next != 3)
- __vma_unlink_prev(mm, next, vma);
+ __vma_unlink_common(mm, next, next);
else
/*
* vma is not before next if they've been
_
Patches currently in -mm which might be from richardw.yang@xxxxxxxxxxxxxxx are
mm-mmapc-remove-a-never-trigger-warning-in-__vma_adjust.patch
mm-rmapc-reuse-mergeable-anon_vma-as-parent-when-fork.patch
mm-mmapc-prev-could-be-retrieved-from-vma-vm_prev.patch
mm-mmapc-__vma_unlink_prev-is-not-necessary-now.patch
mm-mmapc-extract-__vma_unlink_list-as-counter-part-for-__vma_link_list.patch
hugetlb-remove-unused-hstate-in-hugetlb_fault_mutex_hash.patch
userfaultfd-use-vma_pagesize-for-all-huge-page-size-calculation.patch
userfaultfd-remove-unnecessary-warn_on-in-__mcopy_atomic_hugetlb.patch
userfaultfd-wrap-the-common-dst_vma-check-into-an-inlined-function.patch
mm-fix-typo-in-the-comment-when-calling-function-__setpageuptodate.patch
