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Diffstat (limited to 'mm')
-rw-r--r--mm/memory.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 2466d1250231..7c7fa7b4b6b6 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2638,6 +2638,9 @@ reuse:
if (!page_mkwrite) {
wait_on_page_locked(dirty_page);
set_page_dirty_balance(dirty_page, page_mkwrite);
+ /* file_update_time outside page_lock */
+ if (vma->vm_file)
+ file_update_time(vma->vm_file);
}
put_page(dirty_page);
if (page_mkwrite) {
@@ -2655,10 +2658,6 @@ reuse:
}
}
- /* file_update_time outside page_lock */
- if (vma->vm_file)
- file_update_time(vma->vm_file);
-
return ret;
}
@@ -3327,12 +3326,13 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
if (dirty_page) {
struct address_space *mapping = page->mapping;
+ int dirtied = 0;
if (set_page_dirty(dirty_page))
- page_mkwrite = 1;
+ dirtied = 1;
unlock_page(dirty_page);
put_page(dirty_page);
- if (page_mkwrite && mapping) {
+ if ((dirtied || page_mkwrite) && mapping) {
/*
* Some device drivers do not set page.mapping but still
* dirty their pages
@@ -3341,7 +3341,7 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
}
/* file_update_time outside page_lock */
- if (vma->vm_file)
+ if (vma->vm_file && !page_mkwrite)
file_update_time(vma->vm_file);
} else {
unlock_page(vmf.page);