Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa...

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

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 1e516520433dc72437819267ec1be5a1770b1dd6..a1a0ac0ad6f67ad479916fcbc43036973ddca824 100644 (file)
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1384,7 +1384,7 @@ static struct page *alloc_fresh_huge_page_node(struct hstate *h, int nid)
 
        page = __alloc_pages_node(nid,
                htlb_alloc_mask(h)|__GFP_COMP|__GFP_THISNODE|
-                                               __GFP_REPEAT|__GFP_NOWARN,
+                                               __GFP_RETRY_MAYFAIL|__GFP_NOWARN,
                huge_page_order(h));
        if (page) {
                prep_new_huge_page(h, page, nid);
@@ -1525,7 +1525,7 @@ static struct page *__hugetlb_alloc_buddy_huge_page(struct hstate *h,
 {
        int order = huge_page_order(h);
 
-       gfp_mask |= __GFP_COMP|__GFP_REPEAT|__GFP_NOWARN;
+       gfp_mask |= __GFP_COMP|__GFP_RETRY_MAYFAIL|__GFP_NOWARN;
        if (nid == NUMA_NO_NODE)
                nid = numa_mem_id();
        return __alloc_pages_nodemask(gfp_mask, order, nid, nmask);
@@ -4078,6 +4078,7 @@ long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
        unsigned long vaddr = *position;
        unsigned long remainder = *nr_pages;
        struct hstate *h = hstate_vma(vma);
+       int err = -EFAULT;
 
        while (vaddr < vma->vm_end && remainder) {
                pte_t *pte;
@@ -4154,11 +4155,7 @@ long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
                        }
                        ret = hugetlb_fault(mm, vma, vaddr, fault_flags);
                        if (ret & VM_FAULT_ERROR) {
-                               int err = vm_fault_to_errno(ret, flags);
-
-                               if (err)
-                                       return err;
-
+                               err = vm_fault_to_errno(ret, flags);
                                remainder = 0;
                                break;
                        }
@@ -4213,7 +4210,7 @@ same_page:
         */
        *position = vaddr;
 
-       return i ? i : -EFAULT;
+       return i ? i : err;
 }
 
 #ifndef __HAVE_ARCH_FLUSH_HUGETLB_TLB_RANGE