#include <unistd.h>
#include <sys/types.h>
#include <limits.h>
+#include <fcntl.h>
#include "mutex.h"
#include "arch/arch.h"
+#include "os/os.h"
#define SMALLOC_REDZONE /* define to detect memory corruption */
#define SMALLOC_BPI (sizeof(unsigned int) * 8)
#define SMALLOC_BPL (SMALLOC_BPB * SMALLOC_BPI)
-#define INITIAL_SIZE 1024*1024 /* new pool size */
+#define INITIAL_SIZE 8192*1024 /* new pool size */
#define MAX_POOLS 128 /* maximum number of pools to setup */
#define SMALLOC_PRE_RED 0xdeadbeefU
static int add_pool(struct pool *pool, unsigned int alloc_size)
{
- int fd, bitmap_blocks;
+ int fd, bitmap_blocks, ret;
char file[] = "/tmp/.fio_smalloc.XXXXXX";
void *ptr;
bitmap_blocks = alloc_size / SMALLOC_BPL;
alloc_size += bitmap_blocks * sizeof(unsigned int);
pool->mmap_size = alloc_size;
-
+
pool->nr_blocks = bitmap_blocks;
pool->free_blocks = bitmap_blocks * SMALLOC_BPB;
+#ifdef FIO_HAVE_FALLOCATE
+ ret = posix_fallocate(fd, 0, alloc_size);
+ if (ret > 0) {
+ fprintf(stderr, "posix_fallocate pool file failed: %s\n", strerror(ret));
+ goto out_unlink;
+ }
+#endif
+
if (ftruncate(fd, alloc_size) < 0)
goto out_unlink;