From c889004615b40535ebd5054cbcf2deebdb3a299a Mon Sep 17 00:00:00 2001 From: apocelipes Date: Thu, 17 Apr 2025 08:19:48 +0000 Subject: internal,runtime: use the builtin clear To simplify the code. Change-Id: I023de705504c0b580718eec3c7c563b6cf2c8184 GitHub-Last-Rev: 026b32c799b13d0c7ded54f2e61429e6c5ed0aa8 GitHub-Pull-Request: golang/go#73412 Reviewed-on: https://go-review.googlesource.com/c/go/+/666118 Reviewed-by: Keith Randall Reviewed-by: Keith Randall LUCI-TryBot-Result: Go LUCI Auto-Submit: Keith Randall Reviewed-by: Michael Pratt --- src/runtime/mstats.go | 4 +--- src/runtime/proc.go | 8 ++------ 2 files changed, 3 insertions(+), 9 deletions(-) (limited to 'src/runtime') diff --git a/src/runtime/mstats.go b/src/runtime/mstats.go index c10ca40221..888798c600 100644 --- a/src/runtime/mstats.go +++ b/src/runtime/mstats.go @@ -834,9 +834,7 @@ func (m *consistentHeapStats) unsafeRead(out *heapStatsDelta) { func (m *consistentHeapStats) unsafeClear() { assertWorldStopped() - for i := range m.stats { - m.stats[i] = heapStatsDelta{} - } + clear(m.stats[:]) } // read takes a globally consistent snapshot of m diff --git a/src/runtime/proc.go b/src/runtime/proc.go index 8f07b39360..db7a5b2bb1 100644 --- a/src/runtime/proc.go +++ b/src/runtime/proc.go @@ -5690,14 +5690,10 @@ func (pp *p) destroy() { wbBufFlush1(pp) pp.gcw.dispose() } - for i := range pp.sudogbuf { - pp.sudogbuf[i] = nil - } + clear(pp.sudogbuf[:]) pp.sudogcache = pp.sudogbuf[:0] pp.pinnerCache = nil - for j := range pp.deferpoolbuf { - pp.deferpoolbuf[j] = nil - } + clear(pp.deferpoolbuf[:]) pp.deferpool = pp.deferpoolbuf[:0] systemstack(func() { for i := 0; i < pp.mspancache.len; i++ { -- cgit v1.3