The patch titled
Subject: mm/damon/vaddr: remove swap_ranges() and replace it with swap()
has been added to the -mm tree. Its filename is
mm-damon-vaddr-remove-swap_ranges-and-replace-it-with-swap.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-damon-vaddr-remove-swap_ranges-and-replace-it-with-swap.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-damon-vaddr-remove-swap_ranges-and-replace-it-with-swap.patch
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------------------------------------------------------
From: Yihao Han <hanyihao@xxxxxxxx>
Subject: mm/damon/vaddr: remove swap_ranges() and replace it with swap()
Remove 'swap_ranges()' and replace it with the macro 'swap()' defined in
'include/linux/minmax.h' to simplify code and improve efficiency
Link: https://lkml.kernel.org/r/20211111115355.2808-1-hanyihao@xxxxxxxx
Signed-off-by: Yihao Han <hanyihao@xxxxxxxx>
Reviewed-by: SeongJae Park <sj@xxxxxxxxxx>
Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/damon/vaddr.c | 16 +++-------------
1 file changed, 3 insertions(+), 13 deletions(-)
--- a/mm/damon/vaddr.c~mm-damon-vaddr-remove-swap_ranges-and-replace-it-with-swap
+++ a/mm/damon/vaddr.c
@@ -97,16 +97,6 @@ static unsigned long sz_range(struct dam
return r->end - r->start;
}
-static void swap_ranges(struct damon_addr_range *r1,
- struct damon_addr_range *r2)
-{
- struct damon_addr_range tmp;
-
- tmp = *r1;
- *r1 = *r2;
- *r2 = tmp;
-}
-
/*
* Find three regions separated by two biggest unmapped regions
*
@@ -145,9 +135,9 @@ static int __damon_va_three_regions(stru
gap.start = last_vma->vm_end;
gap.end = vma->vm_start;
if (sz_range(&gap) > sz_range(&second_gap)) {
- swap_ranges(&gap, &second_gap);
+ swap(gap, second_gap);
if (sz_range(&second_gap) > sz_range(&first_gap))
- swap_ranges(&second_gap, &first_gap);
+ swap(second_gap, first_gap);
}
next:
last_vma = vma;
@@ -158,7 +148,7 @@ next:
/* Sort the two biggest gaps by address */
if (first_gap.start > second_gap.start)
- swap_ranges(&first_gap, &second_gap);
+ swap(first_gap, second_gap);
/* Store the result */
regions[0].start = ALIGN(start, DAMON_MIN_REGION);
_
Patches currently in -mm which might be from hanyihao@xxxxxxxx are
mm-damon-vaddr-remove-swap_ranges-and-replace-it-with-swap.patch
