From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Wed, 16 Jul 2008 17:29:02 +0000 (+0400)
Subject: SLUB: simplify re on_each_cpu()
X-Git-Tag: firefly_0821_release~19547^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=41ab8592ca35a20580665cae18c172816236b21e;p=firefly-linux-kernel-4.4.55.git

SLUB: simplify re on_each_cpu()

on_each_cpu() expands to function call on UP, too.

Acked-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---

diff --git a/mm/slub.c b/mm/slub.c
index 35ab38a94b46..6cd9fec18f92 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1495,15 +1495,7 @@ static void flush_cpu_slab(void *d)
 
 static void flush_all(struct kmem_cache *s)
 {
-#ifdef CONFIG_SMP
 	on_each_cpu(flush_cpu_slab, s, 1);
-#else
-	unsigned long flags;
-
-	local_irq_save(flags);
-	flush_cpu_slab(s);
-	local_irq_restore(flags);
-#endif
 }
 
 /*