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vmscan: fix increasing nr_isolated incurred by putback unevictable pages
[GitHub/mt8127/android_kernel_alcatel_ttab.git]
/
mm
/
pagewalk.c
diff --git
a/mm/pagewalk.c
b/mm/pagewalk.c
index 5da2cbcfdbb56b0e9f4fe27d6e04137e59dfce3b..9056d22d28808839cc1a65b41353d3b0f52779dc 100644
(file)
--- a/
mm/pagewalk.c
+++ b/
mm/pagewalk.c
@@
-199,7
+199,10
@@
int walk_page_range(unsigned long addr, unsigned long end,
*/
if ((vma->vm_start <= addr) &&
(vma->vm_flags & VM_PFNMAP)) {
*/
if ((vma->vm_start <= addr) &&
(vma->vm_flags & VM_PFNMAP)) {
- next = vma->vm_end;
+ if (walk->pte_hole)
+ err = walk->pte_hole(addr, next, walk);
+ if (err)
+ break;
pgd = pgd_offset(walk->mm, next);
continue;
}
pgd = pgd_offset(walk->mm, next);
continue;
}
@@
-242,7
+245,7
@@
int walk_page_range(unsigned long addr, unsigned long end,
if (err)
break;
pgd++;
if (err)
break;
pgd++;
- } while (addr = next, addr
!=
end);
+ } while (addr = next, addr
<
end);
return err;
}
return err;
}