提交 57181784 编写于 作者: P Pekka J Enberg 提交者: Linus Torvalds

[PATCH] msi: use kmem_cache_zalloc()

Simpler, cleaner.
Signed-off-by: NPekka Enberg <penberg@cs.helsinki.fi>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 7583ddfd
......@@ -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;
......@@ -402,11 +396,10 @@ static struct msi_desc* alloc_msi_entry(void)
{
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;
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册