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mm: remove MPOL_MF_STATS 

Mapping statistics in a NUMA environment is now computed using the generic
walk_page_range() logic.  Remove the old/equivalent functionality.

Signed-off-by: Stephen Wilson <wilsons@start.ca>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Stephen Wilson 2011-05-24 17:12:43 -07:00 committed by Linus Torvalds
parent 29ea2f6982
commit b1f72d1857
1 changed files with 1 additions and 4 deletions
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5
mm/mempolicy.c
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@ -99,7 +99,6 @@
/* Internal flags */
#define MPOL_MF_DISCONTIG_OK (MPOL_MF_INTERNAL << 0) /* Skip checks for continuous vmas */
#define MPOL_MF_INVERT (MPOL_MF_INTERNAL << 1) /* Invert check for nodemask */
#define MPOL_MF_STATS (MPOL_MF_INTERNAL << 2) /* Gather statistics */
static struct kmem_cache *policy_cache;
static struct kmem_cache *sn_cache;
@ -492,9 +491,7 @@ static int check_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
if (node_isset(nid, *nodes) == !!(flags & MPOL_MF_INVERT))
continue;
if (flags & MPOL_MF_STATS)
gather_stats(page, private, pte_dirty(*pte));
else if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL))
if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL))
migrate_page_add(page, private, flags);
else
break;