code review 10136043: runtime: refactor mallocgc

src/pkg/runtime/stack.c

 // Copyright 2013 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 #include "runtime.h"
 #include "arch_GOARCH.h"
 #include "malloc.h"
 #include "stack.h"
 
 enum
@@ skipping 87 matching lines @@
                 if(m->stackcachecnt == 0)
                         stackcacherefill();
                 pos = m->stackcachepos;
                 pos = (pos - 1) % StackCacheSize;
                 v = m->stackcache[pos];
                 m->stackcachepos = pos;
                 m->stackcachecnt--;
                 m->stackinuse++;
                 return v;
         }
-        return runtime·mallocgc(n, FlagNoProfiling|FlagNoGC, 0, 0);
+        return runtime·mallocgc(n, 0, FlagNoProfiling|FlagNoGC|FlagNoZero|FlagNoInvokeGC);
 }
 
 void
 runtime·stackfree(void *v, uintptr n)
 {
         uint32 pos;
 
         if(n == FixedStack || m->mallocing || m->gcing) {
                 if(m->stackcachecnt == StackCacheSize)
                         stackcacherelease();
@@ skipping 218 matching lines @@
         *(int32*)345 = 123;     // never return
 }
 
 // adjust Gobuf as if it executed a call to fn
 // and then did an immediate gosave.
 void
 runtime·gostartcallfn(Gobuf *gobuf, FuncVal *fv)
 {
         runtime·gostartcall(gobuf, fv->fn, fv);
 }