1 files changed, 0 insertions, 113 deletions
diff --git a/src/pkg/runtime/linux/mem.c b/src/pkg/runtime/linux/mem.c
deleted file mode 100644
index ad0fac6d3..000000000
--- a/src/pkg/runtime/linux/mem.c
+++ /dev/null
@@ -1,113 +0,0 @@
-#include "runtime.h"
-#include "defs.h"
-#include "os.h"
-#include "malloc.h"
-
-enum
-{
-	ENOMEM = 12,
-};
-
-static int32
-addrspace_free(void *v, uintptr n)
-{
-	uintptr page_size = 4096;
-	uintptr off;
-	int8 one_byte;
-
-	for(off = 0; off < n; off += page_size) {
-		int32 errval = runtime·mincore((int8 *)v + off, page_size, (void *)&one_byte);
-		// errval is 0 if success, or -(error_code) if error.
-		if (errval == 0 || errval != -ENOMEM)
-			return 0;
-	}
-	USED(v);
-	USED(n);
-	return 1;
-}
-
-
-void*
-runtime·SysAlloc(uintptr n)
-{
-	void *p;
-
-	mstats.sys += n;
-	p = runtime·mmap(nil, n, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_ANON|MAP_PRIVATE, -1, 0);
-	if(p < (void*)4096) {
-		if(p == (void*)EACCES) {
-			runtime·printf("runtime: mmap: access denied\n");
-			runtime·printf("if you're running SELinux, enable execmem for this process.\n");
-			runtime·exit(2);
-		}
-		return nil;
-	}
-	return p;
-}
-
-void
-runtime·SysUnused(void *v, uintptr n)
-{
-	USED(v);
-	USED(n);
-	// TODO(rsc): call madvise MADV_DONTNEED
-}
-
-void
-runtime·SysFree(void *v, uintptr n)
-{
-	mstats.sys -= n;
-	runtime·munmap(v, n);
-}
-
-void*
-runtime·SysReserve(void *v, uintptr n)
-{
-	void *p;
-
-	// On 64-bit, people with ulimit -v set complain if we reserve too
-	// much address space.  Instead, assume that the reservation is okay
-	// and check the assumption in SysMap.
-	if(sizeof(void*) == 8)
-		return v;
-	
-	p = runtime·mmap(v, n, PROT_NONE, MAP_ANON|MAP_PRIVATE, -1, 0);
-	if(p < (void*)4096) {
-		return nil;
-	}
-	return p;
-}
-
-void
-runtime·SysMap(void *v, uintptr n)
-{
-	void *p;
-	
-	mstats.sys += n;
-
-	// On 64-bit, we don't actually have v reserved, so tread carefully.
-	if(sizeof(void*) == 8) {
-		p = runtime·mmap(v, n, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_ANON|MAP_PRIVATE, -1, 0);
-		if(p != v && addrspace_free(v, n)) {
-			// On some systems, mmap ignores v without
-			// MAP_FIXED, so retry if the address space is free.
-			if(p > (void*)4096) {
-				runtime·munmap(p, n);
-			}
-			p = runtime·mmap(v, n, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_ANON|MAP_FIXED|MAP_PRIVATE, -1, 0);
-		}
-		if(p == (void*)ENOMEM)
-			runtime·throw("runtime: out of memory");
-		if(p != v) {
-			runtime·printf("runtime: address space conflict: map(%p) = %p\n", v, p);
-			runtime·throw("runtime: address space conflict");
-		}
-		return;
-	}
-
-	p = runtime·mmap(v, n, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_ANON|MAP_FIXED|MAP_PRIVATE, -1, 0);
-	if(p == (void*)ENOMEM)
-		runtime·throw("runtime: out of memory");
-	if(p != v)
-		runtime·throw("runtime: cannot map pages in arena address space");
-}