ext4: use kmem_cache_zalloc() in ext4_init_io_end()
Use advantage of kmem_cache_zalloc() to remove a memset() call in
ext4_init_io_end() and save a few bytes.
Before:
[jj@dragon linux-2.6]$ size fs/ext4/page-io.o
text data bss dec hex filename
3016 0 624 3640 e38 fs/ext4/page-io.o
After:
[jj@dragon linux-2.6]$ size fs/ext4/page-io.o
text data bss dec hex filename
3000 0 624 3624 e28 fs/ext4/page-io.o
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index beacce1..0f5dfe0 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -158,11 +158,8 @@
ext4_io_end_t *ext4_init_io_end(struct inode *inode, gfp_t flags)
{
- ext4_io_end_t *io = NULL;
-
- io = kmem_cache_alloc(io_end_cachep, flags);
+ ext4_io_end_t *io = kmem_cache_zalloc(io_end_cachep, flags);
if (io) {
- memset(io, 0, sizeof(*io));
atomic_inc(&EXT4_I(inode)->i_ioend_count);
io->inode = inode;
INIT_WORK(&io->work, ext4_end_io_work);