The patch titled
Subject: mm/zbud: change zbud_alloc size type to size_t
has been added to the -mm tree. Its filename is
mm-zbud-change-zbud_alloc-size-type-to-size_t.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-zbud-change-zbud_alloc-size-type-to-size_t.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-zbud-change-zbud_alloc-size-type-to-size_t.patch
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From: Dan Streetman <ddstreet@xxxxxxxx>
Subject: mm/zbud: change zbud_alloc size type to size_t
Change the type of the zbud_alloc() size param from unsigned int
to size_t.
Technically, this should not make any difference, as the zbud
implementation already restricts the size to well within either type's
limits; but as zsmalloc (and kmalloc) use size_t, and zpool will use
size_t, this brings the size parameter type in line with zsmalloc/zpool.
Signed-off-by: Dan Streetman <ddstreet@xxxxxxxx>
Acked-by: Seth Jennings <sjennings@xxxxxxxxxxxxxx>
Cc: Weijie Yang <weijie.yang@xxxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Nitin Gupta <ngupta@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/zbud.h | 2 +-
mm/zbud.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff -puN include/linux/zbud.h~mm-zbud-change-zbud_alloc-size-type-to-size_t include/linux/zbud.h
--- a/include/linux/zbud.h~mm-zbud-change-zbud_alloc-size-type-to-size_t
+++ a/include/linux/zbud.h
@@ -11,7 +11,7 @@ struct zbud_ops {
struct zbud_pool *zbud_create_pool(gfp_t gfp, struct zbud_ops *ops);
void zbud_destroy_pool(struct zbud_pool *pool);
-int zbud_alloc(struct zbud_pool *pool, unsigned int size, gfp_t gfp,
+int zbud_alloc(struct zbud_pool *pool, size_t size, gfp_t gfp,
unsigned long *handle);
void zbud_free(struct zbud_pool *pool, unsigned long handle);
int zbud_reclaim_page(struct zbud_pool *pool, unsigned int retries);
diff -puN mm/zbud.c~mm-zbud-change-zbud_alloc-size-type-to-size_t mm/zbud.c
--- a/mm/zbud.c~mm-zbud-change-zbud_alloc-size-type-to-size_t
+++ a/mm/zbud.c
@@ -122,7 +122,7 @@ enum buddy {
};
/* Converts an allocation size in bytes to size in zbud chunks */
-static int size_to_chunks(int size)
+static int size_to_chunks(size_t size)
{
return (size + CHUNK_SIZE - 1) >> CHUNK_SHIFT;
}
@@ -247,7 +247,7 @@ void zbud_destroy_pool(struct zbud_pool
* gfp arguments are invalid or -ENOMEM if the pool was unable to allocate
* a new page.
*/
-int zbud_alloc(struct zbud_pool *pool, unsigned int size, gfp_t gfp,
+int zbud_alloc(struct zbud_pool *pool, size_t size, gfp_t gfp,
unsigned long *handle)
{
int chunks, i, freechunks;
_
Patches currently in -mm which might be from ddstreet@xxxxxxxx are
mm-zbud-change-zbud_alloc-size-type-to-size_t.patch
mm-zpool-implement-common-zpool-api-to-zbud-zsmalloc.patch
mm-zpool-zbud-zsmalloc-implement-zpool.patch
mm-zpool-update-zswap-to-use-zpool.patch
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