1 files changed, 14 insertions, 7 deletions

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index c94e58b192c3..36f42573a335 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -93,6 +93,8 @@
 #include <asm/tlbflush.h>
 #include <asm/uaccess.h>
 
+#include "internal.h"
+
 /* 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 */
@@ -762,8 +764,11 @@ static void migrate_page_add(struct page *page, struct list_head *pagelist,
         /*
          * Avoid migrating a page that is shared with others.
          */
-        if ((flags & MPOL_MF_MOVE_ALL) || page_mapcount(page) == 1)
-                isolate_lru_page(page, pagelist);
+        if ((flags & MPOL_MF_MOVE_ALL) || page_mapcount(page) == 1) {
+                if (!isolate_lru_page(page)) {
+                        list_add_tail(&page->lru, pagelist);
+                }
+        }
 }
 
 static struct page *new_node_page(struct page *page, unsigned long node, int **x)
@@ -803,7 +808,6 @@ static int migrate_to_node(struct mm_struct *mm, int source, int dest,
 int do_migrate_pages(struct mm_struct *mm,
         const nodemask_t *from_nodes, const nodemask_t *to_nodes, int flags)
 {
-        LIST_HEAD(pagelist);
         int busy = 0;
         int err = 0;
         nodemask_t tmp;
@@ -1481,7 +1485,7 @@ struct zonelist *huge_zonelist(struct vm_area_struct *vma, unsigned long addr,
 
         if (unlikely((*mpol)->mode == MPOL_INTERLEAVE)) {
                 zl = node_zonelist(interleave_nid(*mpol, vma, addr,
-                                                HPAGE_SHIFT), gfp_flags);
+                                huge_page_shift(hstate_vma(vma))), gfp_flags);
         } else {
                 zl = policy_zonelist(gfp_flags, *mpol);
                 if ((*mpol)->mode == MPOL_BIND)
@@ -2198,7 +2202,7 @@ static void gather_stats(struct page *page, void *private, int pte_dirty)
         if (PageSwapCache(page))
                 md->swapcache++;
 
-        if (PageActive(page))
+        if (PageActive(page) || PageUnevictable(page))
                 md->active++;
 
         if (PageWriteback(page))
@@ -2220,9 +2224,12 @@ static void check_huge_range(struct vm_area_struct *vma,
 {
         unsigned long addr;
         struct page *page;
+        struct hstate *h = hstate_vma(vma);
+        unsigned long sz = huge_page_size(h);
 
-        for (addr = start; addr < end; addr += HPAGE_SIZE) {
-                pte_t *ptep = huge_pte_offset(vma->vm_mm, addr & HPAGE_MASK);
+        for (addr = start; addr < end; addr += sz) {
+                pte_t *ptep = huge_pte_offset(vma->vm_mm,
+                                                addr & huge_page_mask(h));
                 pte_t pte;
 
                 if (!ptep)