Merge master.kernel.org:/home/rmk/linux-2.6-arm

[linux-2.6] / fs / proc / task_mmu.c

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 7e5e7ec2e36d66361c78fcfdf011967bd1e2b42f..50bd5a8f0446d902cc6161032fde8ac5fcadd7a6 100644 (file)
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -195,7 +195,7 @@ static int show_map_internal(struct seq_file *m, void *v, struct mem_size_stats
 
 static int show_map(struct seq_file *m, void *v)
 {
-       return show_map_internal(m, v, 0);
+       return show_map_internal(m, v, NULL);
 }
 
 static void smaps_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
@@ -402,12 +402,11 @@ struct numa_maps {
 /*
  * Calculate numa node maps for a vma
  */
-static struct numa_maps *get_numa_maps(const struct vm_area_struct *vma)
+static struct numa_maps *get_numa_maps(struct vm_area_struct *vma)
 {
+       int i;
        struct page *page;
        unsigned long vaddr;
-       struct mm_struct *mm = vma->vm_mm;
-       int i;
        struct numa_maps *md = kmalloc(sizeof(struct numa_maps), GFP_KERNEL);
 
        if (!md)
@@ -419,9 +418,8 @@ static struct numa_maps *get_numa_maps(const struct vm_area_struct *vma)
        for_each_node(i)
                md->node[i] =0;
 
-       spin_lock(&mm->page_table_lock);
        for (vaddr = vma->vm_start; vaddr < vma->vm_end; vaddr += PAGE_SIZE) {
-               page = follow_page(mm, vaddr, 0);
+               page = follow_page(vma, vaddr, 0);
                if (page) {
                        int count = page_mapcount(page);
 
@@ -434,8 +432,8 @@ static struct numa_maps *get_numa_maps(const struct vm_area_struct *vma)
                                md->anon++;
                        md->node[page_to_nid(page)]++;
                }
+               cond_resched();
        }
-       spin_unlock(&mm->page_table_lock);
        return md;
 }