runtime: make mcache.local_cachealloc a uintptr
This field used to decrease with sweeps (and potentially go
negative). Now it is always zero or positive, so change it to a
uintptr so it meshes better with other memory stats.
Change-Id: I6a50a956ddc6077eeaf92011c51743cb69540a3c
Reviewed-on: https://go-review.googlesource.com/8899
Reviewed-by: Rick Hudson <rlh@golang.org>
diff --git a/src/runtime/malloc.go b/src/runtime/malloc.go
index 84a2ad7..4a2d3e3 100644
--- a/src/runtime/malloc.go
+++ b/src/runtime/malloc.go
@@ -623,7 +623,7 @@
}
}
}
- c.local_cachealloc += intptr(size)
+ c.local_cachealloc += size
} else {
var s *mspan
shouldhelpgc = true
diff --git a/src/runtime/mcache.go b/src/runtime/mcache.go
index 14748a4..f012153 100644
--- a/src/runtime/mcache.go
+++ b/src/runtime/mcache.go
@@ -11,8 +11,8 @@
type mcache struct {
// The following members are accessed on every malloc,
// so they are grouped here for better caching.
- next_sample int32 // trigger heap sample after allocating this many bytes
- local_cachealloc intptr // bytes allocated from cache since last lock of heap
+ next_sample int32 // trigger heap sample after allocating this many bytes
+ local_cachealloc uintptr // bytes allocated from cache since last lock of heap
// Allocator cache for tiny objects w/o pointers.
// See "Tiny allocator" comment in malloc.go.
tiny unsafe.Pointer
