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runtime: use built-in clear to simplify code

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Change-Id: Icb6d9ca996b4119d8636d9f7f6a56e510d74d059
GitHub-Last-Rev: 08178e8ff7
GitHub-Pull-Request: golang/go#66188
Reviewed-on: https://go-review.googlesource.com/c/go/+/569979
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: qiulaidongfeng <2645477756@qq.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
This commit is contained in:
apocelipes 2024-03-08 10:12:41 +00:00 • committed by Gopher Robot
parent 69583738eb
commit c8c46e746b
7 changed files with 12 additions and 35 deletions
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5
src/runtime/mpagealloc.go
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@ -511,10 +511,7 @@ func (p *pageAlloc) update(base, npages uintptr, contig, alloc bool) {
// either totally allocated or freed.
whole := p.summary[len(p.summary)-1][sc+1 : ec]
if alloc {
// Should optimize into a memclr.
for i := range whole {
whole[i] = 0
}
clear(whole)
} else {
for i := range whole {
whole[i] = freeChunkSum