Pull asm-slot-fix into release branch

[karo-tx-linux.git] / mm / mempolicy.c

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index afa06e184d88a93311708bdfb1e15077859e29c4..37af443eb0944e5e81b4094bf5b7312540ce170d 100644 (file)
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -333,8 +333,13 @@ check_range(struct mm_struct *mm, unsigned long start, unsigned long end,
                if (prev && prev->vm_end < vma->vm_start)
                        return ERR_PTR(-EFAULT);
                if ((flags & MPOL_MF_STRICT) && !is_vm_hugetlb_page(vma)) {
+                       unsigned long endvma = vma->vm_end;
+                       if (endvma > end)
+                               endvma = end;
+                       if (vma->vm_start > start)
+                               start = vma->vm_start;
                        err = check_pgd_range(vma->vm_mm,
-                                          vma->vm_start, vma->vm_end, nodes);
+                                          start, endvma, nodes);
                        if (err) {
                                first = ERR_PTR(err);
                                break;
@@ -682,7 +687,7 @@ get_vma_policy(struct task_struct *task, struct vm_area_struct *vma, unsigned lo
 }
 
 /* Return a zonelist representing a mempolicy */
-static struct zonelist *zonelist_policy(unsigned int __nocast gfp, struct mempolicy *policy)
+static struct zonelist *zonelist_policy(gfp_t gfp, struct mempolicy *policy)
 {
        int nd;
 
@@ -746,7 +751,7 @@ static unsigned offset_il_node(struct mempolicy *pol,
 
 /* Allocate a page in interleaved policy.
    Own path because it needs to do special accounting. */
-static struct page *alloc_page_interleave(unsigned int __nocast gfp, unsigned order, unsigned nid)
+static struct page *alloc_page_interleave(gfp_t gfp, unsigned order, unsigned nid)
 {
        struct zonelist *zl;
        struct page *page;
@@ -784,7 +789,7 @@ static struct page *alloc_page_interleave(unsigned int __nocast gfp, unsigned or
  *     Should be called with the mm_sem of the vma hold.
  */
 struct page *
-alloc_page_vma(unsigned int __nocast gfp, struct vm_area_struct *vma, unsigned long addr)
+alloc_page_vma(gfp_t gfp, struct vm_area_struct *vma, unsigned long addr)
 {
        struct mempolicy *pol = get_vma_policy(current, vma, addr);
 
@@ -827,7 +832,7 @@ alloc_page_vma(unsigned int __nocast gfp, struct vm_area_struct *vma, unsigned l
  *     1) it's ok to take cpuset_sem (can WAIT), and
  *     2) allocating for current task (not interrupt).
  */
-struct page *alloc_pages_current(unsigned int __nocast gfp, unsigned order)
+struct page *alloc_pages_current(gfp_t gfp, unsigned order)
 {
        struct mempolicy *pol = current->mempolicy;