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Commit b1f72d18 authored by Stephen Wilson's avatar Stephen Wilson Committed by Linus Torvalds
Browse files

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: default avatarStephen Wilson <wilsons@start.ca>
Reviewed-by: default avatarKOSAKI 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 29ea2f69

mm/mempolicy.c

+1 −4
Original line number Original line Diff line number Diff line
@@ -99,7 +99,6 @@ 
/* Internal flags */

/* Internal flags */

#define MPOL_MF_DISCONTIG_OK (MPOL_MF_INTERNAL << 0)	/* Skip checks for continuous vmas */

#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_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 *policy_cache;

static struct kmem_cache *sn_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))

		if (node_isset(nid, *nodes) == !!(flags & MPOL_MF_INVERT))

			continue;

			continue;





		if (flags & MPOL_MF_STATS)

		if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL))

			gather_stats(page, private, pte_dirty(*pte));

		else if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL))

			migrate_page_add(page, private, flags);

			migrate_page_add(page, private, flags);

		else

		else

			break;

			break;