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Subject2.6.9-mm1-U10.3 : compile error fix with CONFIG_HOTPLUG_CPU enable
Hi

With CONFIG_HOTPLUG_CPU and CONFIG_SMP enable, this patch fixes the
following compile error.

--- mm/swap.c.orig 2004-10-22 22:31:58.000000000 +0200
+++ mm/swap.c 2004-10-22 23:10:44.202728352 +0200
@@ -423,12 +423,12 @@
#ifdef CONFIG_HOTPLUG_CPU
static void lru_drain_cache(unsigned int cpu)
{
- struct pagevec *pvec = &per_cpu(lru_add_pvecs, cpu);
+ struct pagevec *pvec = &per_cpu_var_locked(lru_add_pvecs, cpu);

/* CPU is dead, so no locking needed. */
if (pagevec_count(pvec))
__pagevec_lru_add(pvec);
- pvec = &per_cpu(lru_add_active_pvecs, cpu);
+ pvec = &per_cpu_var_locked(lru_add_active_pvecs, cpu);
if (pagevec_count(pvec))
__pagevec_lru_add_active(pvec);
}

CC mm/page_alloc.o
CC mm/page-writeback.o
CC mm/pdflush.o
CC mm/prio_tree.o
CC mm/readahead.o
CC mm/slab.o
CC mm/swap.o
mm/swap.c: In function `lru_drain_cache':
mm/swap.c:426: `per_cpu__lru_add_pvecs' undeclared (first use in this
function)
mm/swap.c:426: (Each undeclared identifier is reported only once
mm/swap.c:426: for each function it appears in.)
mm/swap.c:426: warning: type defaults to `int' in declaration of `type name'
mm/swap.c:426: invalid type argument of `unary *'
mm/swap.c:431: `per_cpu__lru_add_active_pvecs' undeclared (first use in
this function)
mm/swap.c:431: warning: type defaults to `int' in declaration of `type name'
mm/swap.c:431: invalid type argument of `unary *'
make[1]: *** [mm/swap.o] Error 1
make: *** [mm] Error 2

Remi

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