summaryrefslogtreecommitdiffstats
path: root/fs/ramfs/file-nommu.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ramfs/file-nommu.c')
-rw-r--r--fs/ramfs/file-nommu.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c
index b9b567a2837..5d7c7ececa6 100644
--- a/fs/ramfs/file-nommu.c
+++ b/fs/ramfs/file-nommu.c
@@ -114,6 +114,9 @@ int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize)
if (!pagevec_add(&lru_pvec, page))
__pagevec_lru_add_file(&lru_pvec);
+ /* prevent the page from being discarded on memory pressure */
+ SetPageDirty(page);
+
unlock_page(page);
}
@@ -126,6 +129,7 @@ int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize)
return -EFBIG;
add_error:
+ pagevec_lru_add_file(&lru_pvec);
page_cache_release(pages + loop);
for (loop++; loop < npages; loop++)
__free_page(pages + loop);