The patch titled
msi: use kmem_cache_zalloc()
has been added to the -mm tree. Its filename is
msi-use-kmem_cache_zalloc.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: msi: use kmem_cache_zalloc()
From: Pekka J Enberg <penberg@xxxxxxxxxxxxxx>
Simpler, cleaner.
Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
Cc: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/pci/msi.c | 13 +++----------
1 file changed, 3 insertions(+), 10 deletions(-)
diff -puN drivers/pci/msi.c~msi-use-kmem_cache_zalloc drivers/pci/msi.c
--- a/drivers/pci/msi.c~msi-use-kmem_cache_zalloc
+++ a/drivers/pci/msi.c
@@ -45,16 +45,10 @@ msi_register(struct msi_ops *ops)
return 0;
}
-static void msi_cache_ctor(void *p, kmem_cache_t *cache, unsigned long flags)
-{
- memset(p, 0, sizeof(struct msi_desc));
-}
-
static int msi_cache_init(void)
{
- msi_cachep = kmem_cache_create("msi_cache",
- sizeof(struct msi_desc),
- 0, SLAB_HWCACHE_ALIGN, msi_cache_ctor, NULL);
+ msi_cachep = kmem_cache_create("msi_cache", sizeof(struct msi_desc),
+ 0, SLAB_HWCACHE_ALIGN, NULL, NULL);
if (!msi_cachep)
return -ENOMEM;
@@ -395,11 +389,10 @@ static struct msi_desc* alloc_msi_entry(
{
struct msi_desc *entry;
- entry = kmem_cache_alloc(msi_cachep, SLAB_KERNEL);
+ entry = kmem_cache_zalloc(msi_cachep, GFP_KERNEL);
if (!entry)
return NULL;
- memset(entry, 0, sizeof(struct msi_desc));
entry->link.tail = entry->link.head = 0; /* single message */
entry->dev = NULL;
_
Patches currently in -mm which might be from penberg@xxxxxxxxxxxxxx are
msi-use-kmem_cache_zalloc.patch
-
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