diff options
Diffstat (limited to 'fs/proc/task_mmu.c')
-rw-r--r-- | fs/proc/task_mmu.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 0eaad41f4658..91b7c15ab373 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c | |||
@@ -204,7 +204,6 @@ static void smaps_pte_range(struct vm_area_struct *vma, pmd_t *pmd, | |||
204 | { | 204 | { |
205 | pte_t *pte, ptent; | 205 | pte_t *pte, ptent; |
206 | spinlock_t *ptl; | 206 | spinlock_t *ptl; |
207 | unsigned long pfn; | ||
208 | struct page *page; | 207 | struct page *page; |
209 | 208 | ||
210 | pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl); | 209 | pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl); |
@@ -214,12 +213,12 @@ static void smaps_pte_range(struct vm_area_struct *vma, pmd_t *pmd, | |||
214 | continue; | 213 | continue; |
215 | 214 | ||
216 | mss->resident += PAGE_SIZE; | 215 | mss->resident += PAGE_SIZE; |
217 | pfn = pte_pfn(ptent); | 216 | |
218 | if (!pfn_valid(pfn)) | 217 | page = vm_normal_page(vma, addr, ptent); |
218 | if (!page) | ||
219 | continue; | 219 | continue; |
220 | 220 | ||
221 | page = pfn_to_page(pfn); | 221 | if (page_mapcount(page) >= 2) { |
222 | if (page_count(page) >= 2) { | ||
223 | if (pte_dirty(ptent)) | 222 | if (pte_dirty(ptent)) |
224 | mss->shared_dirty += PAGE_SIZE; | 223 | mss->shared_dirty += PAGE_SIZE; |
225 | else | 224 | else |
@@ -289,7 +288,7 @@ static int show_smap(struct seq_file *m, void *v) | |||
289 | struct mem_size_stats mss; | 288 | struct mem_size_stats mss; |
290 | 289 | ||
291 | memset(&mss, 0, sizeof mss); | 290 | memset(&mss, 0, sizeof mss); |
292 | if (vma->vm_mm) | 291 | if (vma->vm_mm && !is_vm_hugetlb_page(vma)) |
293 | smaps_pgd_range(vma, vma->vm_start, vma->vm_end, &mss); | 292 | smaps_pgd_range(vma, vma->vm_start, vma->vm_end, &mss); |
294 | return show_map_internal(m, v, &mss); | 293 | return show_map_internal(m, v, &mss); |
295 | } | 294 | } |