X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=smalloc.c;h=b0173739b49c18254e5a425d58d09e9369a0792e;hp=5ba20047b37676ec8659dffc53dd6459061a5e4d;hb=4e59017dd2a031f2b7fbe2931d3c602735b6cfd6;hpb=e43606c2b13ad7fc1af2bbe4a61cf8480ee3a532

diff --git a/smalloc.c b/smalloc.c
index 5ba20047..b0173739 100644
--- a/smalloc.c
+++ b/smalloc.c
@@ -36,14 +36,14 @@ struct pool {
 	struct fio_mutex *lock;			/* protects this pool */
 	void *map;				/* map of blocks */
 	unsigned int *bitmap;			/* blocks free/busy map */
-	unsigned int free_blocks;		/* free blocks */
-	unsigned int nr_blocks;			/* total blocks */
-	unsigned int next_non_full;
-	unsigned int mmap_size;
+	size_t free_blocks;		/* free blocks */
+	size_t nr_blocks;			/* total blocks */
+	size_t next_non_full;
+	size_t mmap_size;
 };
 
 struct block_hdr {
-	unsigned int size;
+	size_t size;
 #ifdef SMALLOC_REDZONE
 	unsigned int prered;
 #endif
@@ -91,13 +91,13 @@ static inline int ptr_valid(struct pool *pool, void *ptr)
 	return (ptr >= pool->map) && (ptr < pool->map + pool_size);
 }
 
-static inline unsigned int size_to_blocks(unsigned int size)
+static inline size_t size_to_blocks(size_t size)
 {
 	return (size + SMALLOC_BPB - 1) / SMALLOC_BPB;
 }
 
 static int blocks_iter(struct pool *pool, unsigned int pool_idx,
-		       unsigned int idx, unsigned int nr_blocks,
+		       unsigned int idx, size_t nr_blocks,
 		       int (*func)(unsigned int *map, unsigned int mask))
 {
 
@@ -152,19 +152,19 @@ static int mask_set(unsigned int *map, unsigned int mask)
 }
 
 static int blocks_free(struct pool *pool, unsigned int pool_idx,
-		       unsigned int idx, unsigned int nr_blocks)
+		       unsigned int idx, size_t nr_blocks)
 {
 	return blocks_iter(pool, pool_idx, idx, nr_blocks, mask_cmp);
 }
 
 static void set_blocks(struct pool *pool, unsigned int pool_idx,
-		       unsigned int idx, unsigned int nr_blocks)
+		       unsigned int idx, size_t nr_blocks)
 {
 	blocks_iter(pool, pool_idx, idx, nr_blocks, mask_set);
 }
 
 static void clear_blocks(struct pool *pool, unsigned int pool_idx,
-			 unsigned int idx, unsigned int nr_blocks)
+			 unsigned int idx, size_t nr_blocks)
 {
 	blocks_iter(pool, pool_idx, idx, nr_blocks, mask_clear);
 }
@@ -206,7 +206,7 @@ static int add_pool(struct pool *pool, unsigned int alloc_size)
 	pool->map = ptr;
 	pool->bitmap = (void *) ptr + (pool->nr_blocks * SMALLOC_BPL);
 
-	pool->lock = fio_mutex_init(1);
+	pool->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED);
 	if (!pool->lock)
 		goto out_fail;
 
@@ -348,9 +348,9 @@ void sfree(void *ptr)
 	sfree_pool(pool, ptr);
 }
 
-static void *__smalloc_pool(struct pool *pool, unsigned int size)
+static void *__smalloc_pool(struct pool *pool, size_t size)
 {
-	unsigned int nr_blocks;
+	size_t nr_blocks;
 	unsigned int i;
 	unsigned int offset;
 	unsigned int last_idx;
@@ -403,9 +403,9 @@ fail:
 	return ret;
 }
 
-static void *smalloc_pool(struct pool *pool, unsigned int size)
+static void *smalloc_pool(struct pool *pool, size_t size)
 {
-	unsigned int alloc_size = size + sizeof(struct block_hdr);
+	size_t alloc_size = size + sizeof(struct block_hdr);
 	void *ptr;
 
 	/*
@@ -431,10 +431,13 @@ static void *smalloc_pool(struct pool *pool, unsigned int size)
 	return ptr;
 }
 
-void *smalloc(unsigned int size)
+void *smalloc(size_t size)
 {
 	unsigned int i;
 
+	if (size != (unsigned int) size)
+		return NULL;
+
 	global_write_lock();
 	i = last_pool;