[patch]trivial: un-needed add-store operation wastes a few bytes

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Un-needed add-store operation wastes a few bytes.
8 bytes wasted with -O2, on a ppc.

Signed-off-by: nkalmala <[email protected]>
---

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index b55bb35..bf2f6cf 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -853,7 +853,7 @@ again:
		pcp = &zone_pcp(zone, cpu)->pcp[cold];
		local_irq_save(flags);
		if (!pcp->count) {
-			pcp->count += rmqueue_bulk(zone, 0,
+			pcp->count = rmqueue_bulk(zone, 0,
						pcp->batch, &pcp->list);
			if (unlikely(!pcp->count))
				goto failed;


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux