diff options
Diffstat (limited to 'mm/mprotect.c')
| -rw-r--r-- | mm/mprotect.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c index a597f2ffcd6f..26667971c824 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -112,6 +112,7 @@ static inline unsigned long change_pmd_range(struct vm_area_struct *vma, pmd_t *pmd; unsigned long next; unsigned long pages = 0; + unsigned long nr_huge_updates = 0; pmd = pmd_offset(pud, addr); do { @@ -126,9 +127,10 @@ static inline unsigned long change_pmd_range(struct vm_area_struct *vma, newprot, prot_numa); if (nr_ptes) { - if (nr_ptes == HPAGE_PMD_NR) - pages++; - + if (nr_ptes == HPAGE_PMD_NR) { + pages += HPAGE_PMD_NR; + nr_huge_updates++; + } continue; } } @@ -141,6 +143,8 @@ static inline unsigned long change_pmd_range(struct vm_area_struct *vma, pages += this_pages; } while (pmd++, addr = next, addr != end); + if (nr_huge_updates) + count_vm_numa_events(NUMA_HUGE_PTE_UPDATES, nr_huge_updates); return pages; } |