diff options
Diffstat (limited to 'fs/ramfs/file-nommu.c')
| -rw-r--r-- | fs/ramfs/file-nommu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c index b9b567a28376..5d7c7ececa64 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); |