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mm: remove obsoleted alloc_pages cpuset comment 

When a cpuset's nodemask is updated, all attached tasks have their cached
task->mems_allowed updated by a heap instead of requiring an explicit call
to cpuset_update_task_memory_state(), which has since been removed in
58568d2a82 ("cpuset,mm: update tasks'
mems_allowed in time").

Remove the obsoleted comment from the page allocator.

Cc: Paul Menage <menage@google.com>
Acked-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Rientjes 2009-09-21 17:01:15 -07:00 committed by Linus Torvalds
parent a5abeeacc4
commit 478b81fd84
1 changed files with 0 additions and 4 deletions
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4
mm/page_alloc.c
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@ -1627,10 +1627,6 @@ __alloc_pages_direct_reclaim(gfp_t gfp_mask, unsigned int order,
/* We now go into synchronous reclaim */ /* We now go into synchronous reclaim */
cpuset_memory_pressure_bump(); cpuset_memory_pressure_bump();
/*
* The task's cpuset might have expanded its set of allowable nodes
*/
p->flags |= PF_MEMALLOC; p->flags |= PF_MEMALLOC;
lockdep_set_current_reclaim_state(gfp_mask); lockdep_set_current_reclaim_state(gfp_mask);
reclaim_state.reclaimed_slab = 0; reclaim_state.reclaimed_slab = 0;