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| author |   Yihao Han <hanyihao@vivo.com> | 2022-01-14 14:09:47 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2022-01-15 16:30:32 +0200 |
| commit | 8bd0b9da03c9154e279b1a502636103887b9fbed (patch) | |
| tree | bce45577dd7460ef4df248b064d774f259dd26e0 /mm | |
| parent | mm/damon: remove some unneeded function definitions in damon.h (diff) | |
| download | wireguard-linux-8bd0b9da03c9154e279b1a502636103887b9fbed.tar.xz wireguard-linux-8bd0b9da03c9154e279b1a502636103887b9fbed.zip | |
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@vivo.com
Signed-off-by: Yihao Han <hanyihao@vivo.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/damon/vaddr.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c index a9d3b4d96e29..78ff2bcb66eb 100644 --- a/mm/damon/vaddr.c +++ b/mm/damon/vaddr.c @@ -98,16 +98,6 @@ static unsigned long sz_range(struct damon_addr_range *r) 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 * @@ -146,9 +136,9 @@ static int __damon_va_three_regions(struct vm_area_struct *vma, 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; @@ -159,7 +149,7 @@ 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); |