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nfs: Take advantage of kmem_cache_zalloc() in nfs_page_alloc()

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Take advantage of kmem_cache_zalloc() in nfs_page_alloc(). Save a call to
memset() and a few bytes.

Before:
 [jj@dragon linux-2.6]$ size fs/nfs/pagelist.o
    text    data     bss     dec     hex filename
    1765       0       8    1773     6ed fs/nfs/pagelist.o
After:
 [jj@dragon linux-2.6]$ size fs/nfs/pagelist.o
    text    data     bss     dec     hex filename
    1749       0       8    1757     6dd fs/nfs/pagelist.o

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Jesper Juhl 2010-12-09 23:17:15 +01:00 • committed by Trond Myklebust
commit 72895b1ac7
1 changed files with 2 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

7
fs/nfs/pagelist.c
View file

@ -26,12 +26,9 @@ static struct kmem_cache *nfs_page_cachep;
static inline struct nfs_page *
nfs_page_alloc(void)
{
struct nfs_page *p;
p = kmem_cache_alloc(nfs_page_cachep, GFP_KERNEL);
if (p) {
memset(p, 0, sizeof(*p));
struct nfs_page *p = kmem_cache_zalloc(nfs_page_cachep, GFP_KERNEL);
if (p)
INIT_LIST_HEAD(&p->wb_list);
}
return p;
}