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,
{
pte_t *pte, ptent;
spinlock_t *ptl;
- unsigned long pfn;
struct page *page;
pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
continue;
mss->resident += PAGE_SIZE;
- pfn = pte_pfn(ptent);
- if (!pfn_valid(pfn))
+
+ page = vm_normal_page(vma, addr, ptent);
+ if (!page)
continue;
- page = pfn_to_page(pfn);
- if (page_count(page) >= 2) {
+ if (page_mapcount(page) >= 2) {
if (pte_dirty(ptent))
mss->shared_dirty += PAGE_SIZE;
else
struct mem_size_stats mss;
memset(&mss, 0, sizeof mss);
- if (vma->vm_mm)
+ if (vma->vm_mm && !is_vm_hugetlb_page(vma))
smaps_pgd_range(vma, vma->vm_start, vma->vm_end, &mss);
return show_map_internal(m, v, &mss);
}
};
#ifdef CONFIG_NUMA
-
-struct numa_maps {
- unsigned long pages;
- unsigned long anon;
- unsigned long mapped;
- unsigned long mapcount_max;
- unsigned long node[MAX_NUMNODES];
-};
-
-/*
- * Calculate numa node maps for a vma
- */
-static struct numa_maps *get_numa_maps(const struct vm_area_struct *vma)
-{
- 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)
- return NULL;
- md->pages = 0;
- md->anon = 0;
- md->mapped = 0;
- md->mapcount_max = 0;
- for_each_node(i)
- md->node[i] =0;
-
- for (vaddr = vma->vm_start; vaddr < vma->vm_end; vaddr += PAGE_SIZE) {
- page = follow_page(mm, vaddr, 0);
- if (page) {
- int count = page_mapcount(page);
-
- if (count)
- md->mapped++;
- if (count > md->mapcount_max)
- md->mapcount_max = count;
- md->pages++;
- if (PageAnon(page))
- md->anon++;
- md->node[page_to_nid(page)]++;
- }
- cond_resched();
- }
- return md;
-}
-
-static int show_numa_map(struct seq_file *m, void *v)
-{
- struct task_struct *task = m->private;
- struct vm_area_struct *vma = v;
- struct mempolicy *pol;
- struct numa_maps *md;
- struct zone **z;
- int n;
- int first;
-
- if (!vma->vm_mm)
- return 0;
-
- md = get_numa_maps(vma);
- if (!md)
- return 0;
-
- seq_printf(m, "%08lx", vma->vm_start);
- pol = get_vma_policy(task, vma, vma->vm_start);
- /* Print policy */
- switch (pol->policy) {
- case MPOL_PREFERRED:
- seq_printf(m, " prefer=%d", pol->v.preferred_node);
- break;
- case MPOL_BIND:
- seq_printf(m, " bind={");
- first = 1;
- for (z = pol->v.zonelist->zones; *z; z++) {
-
- if (!first)
- seq_putc(m, ',');
- else
- first = 0;
- seq_printf(m, "%d/%s", (*z)->zone_pgdat->node_id,
- (*z)->name);
- }
- seq_putc(m, '}');
- break;
- case MPOL_INTERLEAVE:
- seq_printf(m, " interleave={");
- first = 1;
- for_each_node(n) {
- if (node_isset(n, pol->v.nodes)) {
- if (!first)
- seq_putc(m,',');
- else
- first = 0;
- seq_printf(m, "%d",n);
- }
- }
- seq_putc(m, '}');
- break;
- default:
- seq_printf(m," default");
- break;
- }
- seq_printf(m, " MaxRef=%lu Pages=%lu Mapped=%lu",
- md->mapcount_max, md->pages, md->mapped);
- if (md->anon)
- seq_printf(m," Anon=%lu",md->anon);
-
- for_each_online_node(n) {
- if (md->node[n])
- seq_printf(m, " N%d=%lu", n, md->node[n]);
- }
- seq_putc(m, '\n');
- kfree(md);
- if (m->count < m->size) /* vma is copied successfully */
- m->version = (vma != get_gate_vma(task)) ? vma->vm_start : 0;
- return 0;
-}
+extern int show_numa_map(struct seq_file *m, void *v);
struct seq_operations proc_pid_numa_maps_op = {
- .start = m_start,
- .next = m_next,
- .stop = m_stop,
- .show = show_numa_map
+ .start = m_start,
+ .next = m_next,
+ .stop = m_stop,
+ .show = show_numa_map
};
#endif