static void *
chunk_alloc_mmap_slow(size_t size, size_t alignment, bool *zero, bool *commit)
{
void *ret;
size_t alloc_size;
alloc_size = size + alignment - PAGE;
/* Beware size_t wrap-around. */
if (alloc_size < size)
return (NULL);
do {
void *pages;
size_t leadsize;
pages = pages_map(NULL, alloc_size, commit);
if (pages == NULL)
return (NULL);
leadsize = ALIGNMENT_CEILING((vaddr_t)pages, alignment) -
(vaddr_t)pages;
ret = pages_trim(pages, alloc_size, leadsize, size, commit);
} while (ret == NULL);
assert(ret != NULL);
*zero = true;
return (ret);
}
static void *
chunk_alloc_mmap_slow(size_t size, size_t alignment, bool *zero
#ifdef JEMALLOC_ENABLE_MEMKIND
, unsigned partition
#endif
)
{
void *ret, *pages;
size_t alloc_size, leadsize;
alloc_size = size + alignment - PAGE;
/* Beware size_t wrap-around. */
if (alloc_size < size)
return (NULL);
do {
pages = pages_map(NULL, alloc_size
#ifdef JEMALLOC_ENABLE_MEMKIND
, partition
#endif
);
if (pages == NULL)
return (NULL);
leadsize = ALIGNMENT_CEILING((uintptr_t)pages, alignment) -
(uintptr_t)pages;
ret = pages_trim(pages, alloc_size, leadsize, size
#ifdef JEMALLOC_ENABLE_MEMKIND
, partition
#endif
);
} while (ret == NULL);
assert(ret != NULL);
*zero = true;
return (ret);
}