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lockdep: annotate reclaim context (__GFP_NOFS), fix 

Impact: fix build warning

Fix:

  mm/vmscan.c: In function ‘kswapd’:
  mm/vmscan.c:1969: warning: ISO C90 forbids mixed declarations and code

node_to_cpumask_ptr(cpumask, pgdat->node_id), has a side-effect: it
defines the 'cpumask' local variable as well, so it has to go into
the variable definition section.

Sidenote: it might make sense to make this purpose of these macros
more apparent, by naming them the standard way, such as:

  DEFINE_node_to_cpumask_ptr(cpumask, pgdat->node_id);

(But that is outside the scope of this patch.)

Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Mike Travis <travis@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Nick Piggin <npiggin@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
hifive-unleashed-5.1
Ingo Molnar 2009-02-15 21:18:17 +01:00
parent 868a23a804
commit 6700ec65c2
1 changed files with 1 additions and 2 deletions
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3
mm/vmscan.c
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@ -1963,11 +1963,10 @@ static int kswapd(void *p)
struct reclaim_state reclaim_state = {
.reclaimed_slab = 0,
};
node_to_cpumask_ptr(cpumask, pgdat->node_id);
lockdep_set_current_reclaim_state(GFP_KERNEL);
node_to_cpumask_ptr(cpumask, pgdat->node_id);
if (!cpumask_empty(cpumask))
set_cpus_allowed_ptr(tsk, cpumask);
current->reclaim_state = &reclaim_state;