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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2017-11-15 17:35:37 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-11-15 18:21:04 -0800
commitc4812909f5d5a9b7f1c85a2d95be388a066cda52 (patch)
tree3739e892ee148260e2172d579a1c1d838594fb11 /fs/proc/task_mmu.c
parentb4e98d9ac775907cc53fb08fcb6776deb7694e30 (diff)
downloadlinux-c4812909f5d5a9b7f1c85a2d95be388a066cda52.tar.bz2
mm: introduce wrappers to access mm->nr_ptes
Let's add wrappers for ->nr_ptes with the same interface as for nr_pmd and nr_pud. The patch also makes nr_ptes accounting dependent onto CONFIG_MMU. Page table accounting doesn't make sense if you don't have page tables. It's preparation for consolidation of page-table counters in mm_struct. Link: http://lkml.kernel.org/r/20171006100651.44742-1-kirill.shutemov@linux.intel.com Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc/task_mmu.c')
-rw-r--r--fs/proc/task_mmu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index a05ce6186f99..9bd2a0294ac1 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -50,7 +50,7 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
text = (PAGE_ALIGN(mm->end_code) - (mm->start_code & PAGE_MASK)) >> 10;
lib = (mm->exec_vm << (PAGE_SHIFT-10)) - text;
swap = get_mm_counter(mm, MM_SWAPENTS);
- ptes = PTRS_PER_PTE * sizeof(pte_t) * atomic_long_read(&mm->nr_ptes);
+ ptes = PTRS_PER_PTE * sizeof(pte_t) * mm_nr_ptes(mm);
pmds = PTRS_PER_PMD * sizeof(pmd_t) * mm_nr_pmds(mm);
puds = PTRS_PER_PUD * sizeof(pud_t) * mm_nr_puds(mm);
seq_printf(m,