From c4812909f5d5a9b7f1c85a2d95be388a066cda52 Mon Sep 17 00:00:00 2001 From: "Kirill A. Shutemov" Date: Wed, 15 Nov 2017 17:35:37 -0800 Subject: 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 Acked-by: Michal Hocko Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/proc/task_mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/proc/task_mmu.c') 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, -- cgit v1.2.3