}
int
-clib_pmalloc_init (clib_pmalloc_main_t * pm, uword size)
+clib_pmalloc_init (clib_pmalloc_main_t * pm, uword base_addr, uword size)
{
uword off, pagesize;
u64 *pt = 0;
+ int mmap_flags;
ASSERT (pm->error == 0);
pm->max_pages = size >> pm->def_log2_page_sz;
/* reserve VA space for future growth */
- pm->base = mmap (0, size + pagesize, PROT_NONE,
- MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ mmap_flags = MAP_PRIVATE | MAP_ANONYMOUS;
+
+ if (base_addr)
+ mmap_flags |= MAP_FIXED;
+
+ pm->base = mmap (uword_to_pointer (base_addr, void *), size + pagesize,
+ PROT_NONE, mmap_flags, -1, 0);
if (pm->base == MAP_FAILED)
{