aboutsummaryrefslogtreecommitdiff
path: root/mm/hugetlb.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/hugetlb.c')
-rw-r--r--mm/hugetlb.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index b3c78640b62..d237a02eb22 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -9,6 +9,7 @@
#include <linux/mm.h>
#include <linux/sysctl.h>
#include <linux/highmem.h>
+#include <linux/mmu_notifier.h>
#include <linux/nodemask.h>
#include <linux/pagemap.h>
#include <linux/mempolicy.h>
@@ -19,6 +20,7 @@
#include <asm/io.h>
#include <asm/page.h>
#include <asm/pgtable.h>
+#include <asm/io.h>
#include <linux/hugetlb.h>
#include "internal.h"
@@ -1672,6 +1674,7 @@ void __unmap_hugepage_range(struct vm_area_struct *vma, unsigned long start,
BUG_ON(start & ~huge_page_mask(h));
BUG_ON(end & ~huge_page_mask(h));
+ mmu_notifier_invalidate_range_start(mm, start, end);
spin_lock(&mm->page_table_lock);
for (address = start; address < end; address += sz) {
ptep = huge_pte_offset(mm, address);
@@ -1713,6 +1716,7 @@ void __unmap_hugepage_range(struct vm_area_struct *vma, unsigned long start,
}
spin_unlock(&mm->page_table_lock);
flush_tlb_range(vma, start, end);
+ mmu_notifier_invalidate_range_end(mm, start, end);
list_for_each_entry_safe(page, tmp, &page_list, lru) {
list_del(&page->lru);
put_page(page);