Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-13 07:31:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

niu: remove one compound_head() call

Browse Source 
After a "page = alloc_page(mask);", we do not need to use
compound_head() : page already points to the right place.

This would be true even if using alloc_pages().

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2015-01-16 05:39:30 -08:00 committed by David S. Miller
parent 66c1a12c65
commit ff8b335610
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/ethernet/sun/niu.c
View File

@ -3341,8 +3341,7 @@ static int niu_rbr_add_page(struct niu *np, struct rx_ring_info *rp,
niu_hash_page(rp, page, addr);
if (rp->rbr_blocks_per_page > 1)
atomic_add(rp->rbr_blocks_per_page - 1,
&compound_head(page)->_count);
atomic_add(rp->rbr_blocks_per_page - 1, &page->_count);
for (i = 0; i < rp->rbr_blocks_per_page; i++) {
__le32 *rbr = &rp->rbr[start_index + i];