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runtime: tidy GC driver

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Change-Id: I0da26e89ae73272e49e82c6549c774e5bc97f64c
Reviewed-on: https://go-review.googlesource.com/5331
Reviewed-by: Austin Clements <austin@google.com>
This commit is contained in:
Russ Cox 2015-02-19 15:48:40 -05:00
parent 6e70fddec0
commit 2b655c0b92
4 changed files with 97 additions and 125 deletions
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2
src/runtime/malloc.go
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@ -655,7 +655,7 @@ func mallocgc(size uintptr, typ *_type, flags uint32) unsafe.Pointer {
}
if shouldtriggergc() {
gogc(0)
startGC(gcBackgroundMode)
} else if shouldhelpgc && atomicloaduint(&bggc.working) == 1 {
// bggc.lock not taken since race on bggc.working is benign.
// At worse we don't call gchelpwork.