[PATCH] i2c: Add support for Barco LPT->DVI to i2c-parport

[powerpc.git] / mm / mempolicy.c

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 5abc57c..72f402c 100644 (file)
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -161,6 +161,10 @@ static struct mempolicy *mpol_new(int mode, nodemask_t *nodes)
        switch (mode) {
        case MPOL_INTERLEAVE:
                policy->v.nodes = *nodes;
+               if (nodes_weight(*nodes) == 0) {
+                       kmem_cache_free(policy_cache, policy);
+                       return ERR_PTR(-EINVAL);
+               }
                break;
        case MPOL_PREFERRED:
                policy->v.preferred_node = first_node(*nodes);
@@ -189,17 +193,15 @@ static int check_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
 
        orig_pte = pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
        do {
-               unsigned long pfn;
+               struct page *page;
                unsigned int nid;
 
                if (!pte_present(*pte))
                        continue;
-               pfn = pte_pfn(*pte);
-               if (!pfn_valid(pfn)) {
-                       print_bad_pte(vma, *pte, addr);
+               page = vm_normal_page(vma, addr, *pte);
+               if (!page)
                        continue;
-               }
-               nid = pfn_to_nid(pfn);
+               nid = page_to_nid(page);
                if (!node_isset(nid, *nodes))
                        break;
        } while (pte++, addr += PAGE_SIZE, addr != end);
@@ -269,8 +271,6 @@ check_range(struct mm_struct *mm, unsigned long start, unsigned long end,
        first = find_vma(mm, start);
        if (!first)
                return ERR_PTR(-EFAULT);
-       if (first->vm_flags & VM_RESERVED)
-               return ERR_PTR(-EACCES);
        prev = NULL;
        for (vma = first; vma && vma->vm_start < end; vma = vma->vm_next) {
                if (!vma->vm_next && vma->vm_end < end)