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author | Michael Anthony Knyszek <mknyszek@google.com> | 2021-10-18 23:14:20 +0000 |
---|---|---|
committer | Michael Knyszek <mknyszek@google.com> | 2021-10-20 20:39:36 +0000 |
commit | 016d5eea118445f5b3ca46f85b65c6afd180c946 (patch) | |
tree | c708523cf135857f9513783066ebf818d5be82f7 /src/runtime/mgc.go | |
parent | a91e976fd2cc6f1c156877eae40262d7e47c745c (diff) | |
download | go-016d5eea118445f5b3ca46f85b65c6afd180c946.tar.gz go-016d5eea118445f5b3ca46f85b65c6afd180c946.zip |
runtime: retype mheap.reclaimCredit as atomic.Uintptr
[git-generate]
cd src/runtime
mv export_test.go export.go
GOROOT=$(dirname $(dirname $PWD)) rf '
add mheap.reclaimCredit \
// reclaimCredit is spare credit for extra pages swept. Since \
// the page reclaimer works in large chunks, it may reclaim \
// more than requested. Any spare pages released go to this \
// credit pool. \
reclaimCredit_ atomic.Uintptr
ex {
import "runtime/internal/atomic"
var t mheap
var v, w uintptr
var d uintptr
t.reclaimCredit -> t.reclaimCredit_.Load()
t.reclaimCredit = v -> t.reclaimCredit_.Store(v)
atomic.Loaduintptr(&t.reclaimCredit) -> t.reclaimCredit_.Load()
atomic.LoadAcquintptr(&t.reclaimCredit) -> t.reclaimCredit_.LoadAcquire()
atomic.Storeuintptr(&t.reclaimCredit, v) -> t.reclaimCredit_.Store(v)
atomic.StoreReluintptr(&t.reclaimCredit, v) -> t.reclaimCredit_.StoreRelease(v)
atomic.Casuintptr(&t.reclaimCredit, v, w) -> t.reclaimCredit_.CompareAndSwap(v, w)
atomic.Xchguintptr(&t.reclaimCredit, v) -> t.reclaimCredit_.Swap(v)
atomic.Xadduintptr(&t.reclaimCredit, d) -> t.reclaimCredit_.Add(d)
}
rm mheap.reclaimCredit
mv mheap.reclaimCredit_ mheap.reclaimCredit
'
mv export.go export_test.go
Change-Id: I2c567781a28f5d8c2275ff18f2cf605b82f22d09
Reviewed-on: https://go-review.googlesource.com/c/go/+/356712
Trust: Michael Knyszek <mknyszek@google.com>
Run-TryBot: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
Diffstat (limited to 'src/runtime/mgc.go')
-rw-r--r-- | src/runtime/mgc.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/runtime/mgc.go b/src/runtime/mgc.go index 56ef1c4e38..6f8463c253 100644 --- a/src/runtime/mgc.go +++ b/src/runtime/mgc.go @@ -1460,7 +1460,7 @@ func gcSweep(mode gcMode) { mheap_.pagesSwept.Store(0) mheap_.sweepArenas = mheap_.allArenas mheap_.reclaimIndex.Store(0) - mheap_.reclaimCredit = 0 + mheap_.reclaimCredit.Store(0) unlock(&mheap_.lock) sweep.centralIndex.clear() |