/*
- * (C) Gražvydas "notaz" Ignotas, 2008-2010
+ * (C) Gražvydas "notaz" Ignotas, 2008-2012
*
* This work is licensed under the terms of any of these licenses
* (at your option):
* - GNU GPL, version 2 or later.
* - GNU LGPL, version 2.1 or later.
+ * - MAME license.
* See the COPYING file in the top-level directory.
*/
void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed)
{
- static int hugetlb_disabled;
+ static int hugetlb_warned;
int prot = PROT_READ | PROT_WRITE;
int flags = MAP_PRIVATE | MAP_ANONYMOUS;
void *req, *ret;
prot |= PROT_EXEC;
if (is_fixed)
flags |= MAP_FIXED;
- if (size >= HUGETLB_THRESHOLD && !hugetlb_disabled)
+ if (size >= HUGETLB_THRESHOLD)
flags |= MAP_HUGETLB;
ret = mmap(req, size, prot, flags, -1, 0);
if (ret == MAP_FAILED && (flags & MAP_HUGETLB)) {
- fprintf(stderr,
- "warning: failed to do hugetlb mmap (%p, %zu): %d\n",
- req, size, errno);
- hugetlb_disabled = 1;
+ if (!hugetlb_warned) {
+ fprintf(stderr,
+ "warning: failed to do hugetlb mmap (%p, %zu): %d\n",
+ req, size, errno);
+ hugetlb_warned = 1;
+ }
flags &= ~MAP_HUGETLB;
ret = mmap(req, size, prot, flags, -1, 0);
}