// Copyright (c) 2012-2013, the scalloc Project Authors.  All rights reserved.
// Please see the AUTHORS file for details.  Use of this source code is governed
// by a BSD license that can be found in the LICENSE file.

#include "allocators/global_sbrk_allocator.h"

#include <sys/mman.h>  // mmap

#include "log.h"

uintptr_t GlobalSbrkAllocator::current_;

void GlobalSbrkAllocator::InitModule() {
#ifdef __x86_64__
  size_t size = 1UL << 35;  // 32GiB
#endif
#ifdef __i386__
  size_t size = 1UL << 31;
#endif

  void* p = mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
  if (p == MAP_FAILED) {
    ErrorOut("mmap failed");
  }
  current_ = reinterpret_cast<uintptr_t>(p);
}

// Copyright (c) 2012-2013, the scalloc Project Authors.  All rights reserved.
// Please see the AUTHORS file for details.  Use of this source code is governed
// by a BSD license that can be found in the LICENSE file.

#include "allocators/global_sbrk_allocator.h"

#include <sys/mman.h>  // mmap

#include "log.h"

uintptr_t GlobalSbrkAllocator::current_;

void GlobalSbrkAllocator::InitModule() {
  size_t size = 1UL << 35;  // 32GiB
  void* p = mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
  if (p == MAP_FAILED) {
    ErrorOut("mmap failed");
  }
  current_ = reinterpret_cast<uintptr_t>(p);
}

--- 
+++ 
@@ -11,7 +11,13 @@
 uintptr_t GlobalSbrkAllocator::current_;
 
 void GlobalSbrkAllocator::InitModule() {
+#ifdef __x86_64__
   size_t size = 1UL << 35;  // 32GiB
+#endif
+#ifdef __i386__
+  size_t size = 1UL << 31;
+#endif
+
   void* p = mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
   if (p == MAP_FAILED) {
     ErrorOut("mmap failed");
Add large sbrk support for 32 bit platforms.

Signed-off-by: Michael Lippautz <0d543840881a2c189b4f7636b15eebd6a8f60ace@gmail.com>
