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runtime: remove go119MemoryLimitSupport flag

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Change-Id: I207480d991c6242a1610795605c5ec6a3b3c59de
Reviewed-on: https://go-review.googlesource.com/c/go/+/463225
Reviewed-by: Keith Randall <khr@google.com>
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
This commit is contained in:
Keith Randall 2023-01-26 14:46:51 -08:00
parent 469afbcc46
commit 79edd1d19d
5 changed files with 5 additions and 12 deletions
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2
src/runtime/mheap.go
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@ -1270,7 +1270,7 @@ HaveSpan:
// pages not to get touched until we return. Simultaneously, it's important
// to do this before calling sysUsed because that may commit address space.
bytesToScavenge := uintptr(0)
if limit := gcController.memoryLimit.Load(); go119MemoryLimitSupport && !gcCPULimiter.limiting() {
if limit := gcController.memoryLimit.Load(); !gcCPULimiter.limiting() {
// Assist with scavenging to maintain the memory limit by the amount
// that we expect to page in.
inuse := gcController.mappedReady.Load()