From: nkalmala <nkalmala@gmail.com>
To: trivial@kernel.org
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org,
nkalmala <nkalmala@gmail.com>
Subject: [patch]trivial: un-needed add-store operation wastes a few bytes
Date: Mon, 30 Oct 2006 16:56:13 -0800 [thread overview]
Message-ID: <45469F2D.9030602@gmail.com> (raw)
Un-needed add-store operation wastes a few bytes.
8 bytes wasted with -O2, on a ppc.
Signed-off-by: nkalmala <nkalmala@gmail.com>
---
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;
next reply other threads:[~2006-10-31 0:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-31 0:56 nkalmala [this message]
2006-10-31 10:01 ` [patch]trivial: un-needed add-store operation wastes a few bytes Rolf Eike Beer
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