Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...

[sfrench/cifs-2.6.git] / mm / memory.c

diff --git a/mm/memory.c b/mm/memory.c
index e7a6dcacefc1d86f24bee62dfdf6ca134b2a25a4..0d14d1e58a5fa78e6b6a01369cc1e0869c77dfe9 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1711,7 +1711,7 @@ unlock:
        }
        return ret;
 oom_free_new:
-       __free_page(new_page);
+       page_cache_release(new_page);
 oom:
        if (old_page)
                page_cache_release(old_page);
@@ -2093,12 +2093,9 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
        unlock_page(page);
 
        if (write_access) {
-               /* XXX: We could OR the do_wp_page code with this one? */
-               if (do_wp_page(mm, vma, address,
-                               page_table, pmd, ptl, pte) & VM_FAULT_OOM) {
-                       mem_cgroup_uncharge_page(page);
-                       ret = VM_FAULT_OOM;
-               }
+               ret |= do_wp_page(mm, vma, address, page_table, pmd, ptl, pte);
+               if (ret & VM_FAULT_ERROR)
+                       ret &= VM_FAULT_ERROR;
                goto out;
        }
 
@@ -2163,7 +2160,7 @@ release:
        page_cache_release(page);
        goto unlock;
 oom_free_page:
-       __free_page(page);
+       page_cache_release(page);
 oom:
        return VM_FAULT_OOM;
 }
@@ -2711,6 +2708,13 @@ void print_vma_addr(char *prefix, unsigned long ip)
        struct mm_struct *mm = current->mm;
        struct vm_area_struct *vma;
 
+       /*
+        * Do not print if we are in atomic
+        * contexts (in exception stacks, etc.):
+        */
+       if (preempt_count())
+               return;
+
        down_read(&mm->mmap_sem);
        vma = find_vma(mm, ip);
        if (vma && vma->vm_file) {