[patch] mm: remove obsoleted alloc_pages cpuset comment

[David Rientjes]

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 58568d2a8215cb6f55caf2332017d7bdff954e1c.

Remove the obsoleted comment from the page allocator.

Cc: Paul Menage <menage@xxxxxxxxxx>
Cc: Miao Xie <miaox@xxxxxxxxxxxxxx>
Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx>
---
 mm/page_alloc.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5d714f8..8670fb7 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1620,10 +1620,6 @@ __alloc_pages_direct_reclaim(gfp_t gfp_mask, unsigned int order,
 
 	/* We now go into synchronous reclaim */
 	cpuset_memory_pressure_bump();
-
-	/*
-	 * The task's cpuset might have expanded its set of allowable nodes
-	 */
 	p->flags |= PF_MEMALLOC;
 	lockdep_set_current_reclaim_state(gfp_mask);
 	reclaim_state.reclaimed_slab = 0;
--
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