1 files changed, 0 insertions, 130 deletions
diff --git a/src/pkg/runtime/mcache.c b/src/pkg/runtime/mcache.c
deleted file mode 100644
index 26e3db2dc..000000000
--- a/src/pkg/runtime/mcache.c
+++ /dev/null
@@ -1,130 +0,0 @@
-// Copyright 2009 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.
-
-// Per-P malloc cache for small objects.
-//
-// See malloc.h for an overview.
-
-#include "runtime.h"
-#include "arch_GOARCH.h"
-#include "malloc.h"
-
-extern volatile intgo runtime·MemProfileRate;
-
-// dummy MSpan that contains no free objects.
-static MSpan emptymspan;
-
-MCache*
-runtime·allocmcache(void)
-{
-	intgo rate;
-	MCache *c;
-	int32 i;
-
-	runtime·lock(&runtime·mheap);
-	c = runtime·FixAlloc_Alloc(&runtime·mheap.cachealloc);
-	runtime·unlock(&runtime·mheap);
-	runtime·memclr((byte*)c, sizeof(*c));
-	for(i = 0; i < NumSizeClasses; i++)
-		c->alloc[i] = &emptymspan;
-
-	// Set first allocation sample size.
-	rate = runtime·MemProfileRate;
-	if(rate > 0x3fffffff)	// make 2*rate not overflow
-		rate = 0x3fffffff;
-	if(rate != 0)
-		c->next_sample = runtime·fastrand1() % (2*rate);
-
-	return c;
-}
-
-void
-runtime·freemcache(MCache *c)
-{
-	runtime·MCache_ReleaseAll(c);
-	runtime·lock(&runtime·mheap);
-	runtime·purgecachedstats(c);
-	runtime·FixAlloc_Free(&runtime·mheap.cachealloc, c);
-	runtime·unlock(&runtime·mheap);
-}
-
-// Gets a span that has a free object in it and assigns it
-// to be the cached span for the given sizeclass.  Returns this span.
-MSpan*
-runtime·MCache_Refill(MCache *c, int32 sizeclass)
-{
-	MCacheList *l;
-	MSpan *s;
-
-	m->locks++;
-	// Return the current cached span to the central lists.
-	s = c->alloc[sizeclass];
-	if(s->freelist != nil)
-		runtime·throw("refill on a nonempty span");
-	if(s != &emptymspan)
-		runtime·MCentral_UncacheSpan(&runtime·mheap.central[sizeclass], s);
-
-	// Push any explicitly freed objects to the central lists.
-	// Not required, but it seems like a good time to do it.
-	l = &c->free[sizeclass];
-	if(l->nlist > 0) {
-		runtime·MCentral_FreeList(&runtime·mheap.central[sizeclass], l->list);
-		l->list = nil;
-		l->nlist = 0;
-	}
-
-	// Get a new cached span from the central lists.
-	s = runtime·MCentral_CacheSpan(&runtime·mheap.central[sizeclass]);
-	if(s == nil)
-		runtime·throw("out of memory");
-	if(s->freelist == nil) {
-		runtime·printf("%d %d\n", s->ref, (int32)((s->npages << PageShift) / s->elemsize));
-		runtime·throw("empty span");
-	}
-	c->alloc[sizeclass] = s;
-	m->locks--;
-	return s;
-}
-
-void
-runtime·MCache_Free(MCache *c, MLink *p, int32 sizeclass, uintptr size)
-{
-	MCacheList *l;
-
-	// Put on free list.
-	l = &c->free[sizeclass];
-	p->next = l->list;
-	l->list = p;
-	l->nlist++;
-
-	// We transfer a span at a time from MCentral to MCache,
-	// so we'll do the same in the other direction.
-	if(l->nlist >= (runtime·class_to_allocnpages[sizeclass]<<PageShift)/size) {
-		runtime·MCentral_FreeList(&runtime·mheap.central[sizeclass], l->list);
-		l->list = nil;
-		l->nlist = 0;
-	}
-}
-
-void
-runtime·MCache_ReleaseAll(MCache *c)
-{
-	int32 i;
-	MSpan *s;
-	MCacheList *l;
-
-	for(i=0; i<NumSizeClasses; i++) {
-		s = c->alloc[i];
-		if(s != &emptymspan) {
-			runtime·MCentral_UncacheSpan(&runtime·mheap.central[i], s);
-			c->alloc[i] = &emptymspan;
-		}
-		l = &c->free[i];
-		if(l->nlist > 0) {
-			runtime·MCentral_FreeList(&runtime·mheap.central[i], l->list);
-			l->list = nil;
-			l->nlist = 0;
-		}
-	}
-}