diff options
Diffstat (limited to 'libgo/go/runtime/mcache.go')
| -rw-r--r-- | libgo/go/runtime/mcache.go | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/libgo/go/runtime/mcache.go b/libgo/go/runtime/mcache.go index 2045158..ca92682 100644 --- a/libgo/go/runtime/mcache.go +++ b/libgo/go/runtime/mcache.go @@ -76,10 +76,13 @@ func (p gclinkptr) ptr() *gclink { var emptymspan mspan func allocmcache() *mcache { - lock(&mheap_.lock) - c := (*mcache)(mheap_.cachealloc.alloc()) - c.flushGen = mheap_.sweepgen - unlock(&mheap_.lock) + var c *mcache + systemstack(func() { + lock(&mheap_.lock) + c = (*mcache)(mheap_.cachealloc.alloc()) + c.flushGen = mheap_.sweepgen + unlock(&mheap_.lock) + }) for i := range c.alloc { c.alloc[i] = &emptymspan } |