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runtime: remove background GC goroutine and mark barriers

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These are now unused.

Updates #11970.

Change-Id: I43e5c4e5bcda9581bacc63364f96bb4855ab779f
Reviewed-on: https://go-review.googlesource.com/16393
Reviewed-by: Rick Hudson <rlh@golang.org>
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Austin Clements 2015-10-27 17:42:57 -04:00
parent bbf2da00fc
commit d5ba582166
3 changed files with 1 additions and 111 deletions
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2
src/runtime/proc.go
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@ -3366,7 +3366,7 @@ func sysmon() {
}
// check if we need to force a GC
lastgc := int64(atomicload64(&memstats.last_gc))
if lastgc != 0 && unixnow-lastgc > forcegcperiod && atomicload(&forcegc.idle) != 0 && atomicloaduint(&bggc.working) == 0 {
if lastgc != 0 && unixnow-lastgc > forcegcperiod && atomicload(&forcegc.idle) != 0 {
lock(&forcegc.lock)
forcegc.idle = 0
forcegc.g.schedlink = 0