X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=memory.c;h=82a79bd7175b9a74ca0846a669d767e06d50b84d;hp=7f4cef529a52e55ecbf099c0e23738943ab2b492;hb=3f3a4542887ba038231144be08b2c36d7cc83424;hpb=da7d79b07a41d0b3505feecda2561811217ea8e7

diff --git a/memory.c b/memory.c
index 7f4cef52..82a79bd7 100644
--- a/memory.c
+++ b/memory.c
@@ -63,7 +63,7 @@ int fio_pin_memory(void)
 
 static int alloc_mem_shm(struct thread_data *td, unsigned int total_mem)
 {
-	int flags = IPC_CREAT | SHM_R | SHM_W;
+	int flags = IPC_CREAT | S_IRUSR | S_IWUSR;
 
 	if (td->o.mem_type == MEM_SHMHUGE) {
 		unsigned long mask = td->o.hugepage_size - 1;
@@ -115,7 +115,7 @@ static void free_mem_shm(struct thread_data *td)
 	shmctl(td->shm_id, IPC_RMID, &sbuf);
 }
 
-static int alloc_mem_mmap(struct thread_data *td, unsigned int total_mem)
+static int alloc_mem_mmap(struct thread_data *td, size_t total_mem)
 {
 	int flags = MAP_PRIVATE;
 
@@ -155,7 +155,7 @@ static int alloc_mem_mmap(struct thread_data *td, unsigned int total_mem)
 	return 0;
 }
 
-static void free_mem_mmap(struct thread_data *td, unsigned int total_mem)
+static void free_mem_mmap(struct thread_data *td, size_t total_mem)
 {
 	dprint(FD_MEM, "munmap %u %p\n", total_mem, td->orig_buffer);
 	munmap(td->orig_buffer, td->orig_buffer_size);
@@ -166,7 +166,7 @@ static void free_mem_mmap(struct thread_data *td, unsigned int total_mem)
 	}
 }
 
-static int alloc_mem_malloc(struct thread_data *td, unsigned int total_mem)
+static int alloc_mem_malloc(struct thread_data *td, size_t total_mem)
 {
 	td->orig_buffer = malloc(total_mem);
 	dprint(FD_MEM, "malloc %u %p\n", total_mem, td->orig_buffer);
@@ -181,11 +181,11 @@ static void free_mem_malloc(struct thread_data *td)
 }
 
 /*
- * Setup the buffer area we need for io.
+ * Set up the buffer area we need for io.
  */
 int allocate_io_mem(struct thread_data *td)
 {
-	unsigned int total_mem;
+	size_t total_mem;
 	int ret = 0;
 
 	if (td->io_ops->flags & FIO_NOIO)
@@ -193,12 +193,15 @@ int allocate_io_mem(struct thread_data *td)
 
 	total_mem = td->orig_buffer_size;
 
-	if (td->o.odirect || td->o.mem_align) {
+	if (td->o.odirect || td->o.mem_align ||
+	    (td->io_ops->flags & FIO_MEMALIGN)) {
 		total_mem += page_mask;
 		if (td->o.mem_align && td->o.mem_align > page_size)
 			total_mem += td->o.mem_align - page_size;
 	}
 
+	dprint(FD_MEM, "Alloc %lu for buffers\n", (size_t) total_mem);
+
 	if (td->o.mem_type == MEM_MALLOC)
 		ret = alloc_mem_malloc(td, total_mem);
 	else if (td->o.mem_type == MEM_SHM || td->o.mem_type == MEM_SHMHUGE)