jbd: clean up journal_try_to_free_buffers()

[safe/jmp/linux-2.6] / mm / shmem.c

diff --git a/mm/shmem.c b/mm/shmem.c
index f9cb20e..e89d7ec 100644 (file)
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1097,7 +1097,7 @@ static int shmem_writepage(struct page *page, struct writeback_control *wbc)
        shmem_swp_unmap(entry);
 unlock:
        spin_unlock(&info->lock);
-       swap_free(swap);
+       swapcache_free(swap, NULL);
 redirty:
        set_page_dirty(page);
        if (wbc->for_reclaim)
@@ -1340,8 +1340,12 @@ repeat:
                        shmem_swp_unmap(entry);
                        spin_unlock(&info->lock);
                        if (error == -ENOMEM) {
-                               /* allow reclaim from this memory cgroup */
-                               error = mem_cgroup_shrink_usage(swappage,
+                               /*
+                                * reclaim from proper memory cgroup and
+                                * call memcg's OOM if needed.
+                                */
+                               error = mem_cgroup_shmem_charge_fallback(
+                                                               swappage,
                                                                current->mm,
                                                                gfp);
                                if (error) {
@@ -2608,7 +2612,7 @@ int shmem_unuse(swp_entry_t entry, struct page *page)
  * @size: size to be set for the file
  * @flags: VM_NORESERVE suppresses pre-accounting of the entire object size
  */
-struct file *shmem_file_setup(char *name, loff_t size, unsigned long flags)
+struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags)
 {
        int error;
        struct file *file;
@@ -2655,6 +2659,7 @@ struct file *shmem_file_setup(char *name, loff_t size, unsigned long flags)
        if (error)
                goto close_file;
 #endif
+       ima_counts_get(file);
        return file;
 
 close_file:
@@ -2680,7 +2685,6 @@ int shmem_zero_setup(struct vm_area_struct *vma)
        if (IS_ERR(file))
                return PTR_ERR(file);
 
-       ima_shm_check(file);
        if (vma->vm_file)
                fput(vma->vm_file);
        vma->vm_file = file;