SLUB: simplify re on_each_cpu()

Alexey Dobriyan · Pekka Enberg · commit 41ab8592ca35 · 2008-07-16T23:55:00.000+03:00
on_each_cpu() expands to function call on UP, too.

Acked-by: Christoph Lameter &lt;cl@linux-foundation.org&gt;
Signed-off-by: Alexey Dobriyan &lt;adobriyan@gmail.com&gt;
Signed-off-by: Pekka Enberg &lt;penberg@cs.helsinki.fi&gt;
diff --git 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
 }
 
 /*

Original file line number	Diff line number	Diff line change
`@@ -1495,15 +1495,7 @@ static void flush_cpu_slab(void *d)`
`1495`	`1495`
`1496`	`1496`	`static void flush_all(struct kmem_cache *s)`
`1497`	`1497`	`{`
`1498`		`-#ifdef CONFIG_SMP`
`1499`	`1498`	`on_each_cpu(flush_cpu_slab, s, 1);`
`1500`		`-#else`
`1501`		`- unsigned long flags;`
`1502`		`-`
`1503`		`- local_irq_save(flags);`
`1504`		`- flush_cpu_slab(s);`
`1505`		`- local_irq_restore(flags);`
`1506`		`-#endif`
`1507`	`1499`	`}`
`1508`	`1500`
`1509`	`1501`	`/*`