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Diffstat (limited to 'libgo')
-rw-r--r--libgo/go/runtime/mpagealloc.go12
-rw-r--r--libgo/go/runtime/mpagecache.go2
2 files changed, 8 insertions, 6 deletions
diff --git a/libgo/go/runtime/mpagealloc.go b/libgo/go/runtime/mpagealloc.go
index 2725e3b7c7b..5e40da45d17 100644
--- a/libgo/go/runtime/mpagealloc.go
+++ b/libgo/go/runtime/mpagealloc.go
@@ -87,7 +87,9 @@ const (
//
// We alias maxOffAddr just to make it clear that this is the maximum address
// for the page allocator's search space. See maxOffAddr for details.
-var maxSearchAddr = maxOffAddr
+func maxSearchAddr() offAddr {
+ return maxOffAddr
+}
// Global chunk index.
//
@@ -331,13 +333,13 @@ func (p *pageAlloc) init(mheapLock *mutex, sysStat *sysMemStat) {
p.sysInit()
// Start with the searchAddr in a state indicating there's no free memory.
- p.searchAddr = maxSearchAddr
+ p.searchAddr = maxSearchAddr()
// Set the mheapLock.
p.mheapLock = mheapLock
// Initialize scavenge tracking state.
- p.scav.scavLWM = maxSearchAddr
+ p.scav.scavLWM = maxSearchAddr()
}
// tryChunkOf returns the bitmap data for the given chunk.
@@ -760,7 +762,7 @@ nextLevel:
}
if l == 0 {
// We're at level zero, so that means we've exhausted our search.
- return 0, maxSearchAddr
+ return 0, maxSearchAddr()
}
// We're not at level zero, and we exhausted the level we were looking in.
@@ -854,7 +856,7 @@ func (p *pageAlloc) alloc(npages uintptr) (addr uintptr, scav uintptr) {
// exhausted. Otherwise, the heap still might have free
// space in it, just not enough contiguous space to
// accommodate npages.
- p.searchAddr = maxSearchAddr
+ p.searchAddr = maxSearchAddr()
}
return 0, 0
}
diff --git a/libgo/go/runtime/mpagecache.go b/libgo/go/runtime/mpagecache.go
index 7206e2dbdb7..5bad4f789a1 100644
--- a/libgo/go/runtime/mpagecache.go
+++ b/libgo/go/runtime/mpagecache.go
@@ -143,7 +143,7 @@ func (p *pageAlloc) allocToCache() pageCache {
if addr == 0 {
// We failed to find adequate free space, so mark the searchAddr as OoM
// and return an empty pageCache.
- p.searchAddr = maxSearchAddr
+ p.searchAddr = maxSearchAddr()
return pageCache{}
}
ci := chunkIndex(addr)