diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page-writeback.c | 4 | ||||
| -rw-r--r-- | mm/rmap.c | 8 |
2 files changed, 8 insertions, 4 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index f469e3cd08e..a794945fd19 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -67,12 +67,12 @@ static inline long sync_writeback_pages(void) /* * Start background writeback (via pdflush) at this percentage */ -int dirty_background_ratio = 10; +int dirty_background_ratio = 5; /* * The generator of dirty data starts writeback at this percentage */ -int vm_dirty_ratio = 40; +int vm_dirty_ratio = 10; /* * The interval between `kupdate'-style writebacks, in jiffies diff --git a/mm/rmap.c b/mm/rmap.c index b82146e6dfc..59da5b734c8 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -498,8 +498,10 @@ int page_mkclean(struct page *page) struct address_space *mapping = page_mapping(page); if (mapping) ret = page_mkclean_file(mapping, page); - if (page_test_and_clear_dirty(page)) + if (page_test_dirty(page)) { + page_clear_dirty(page); ret = 1; + } } return ret; @@ -605,8 +607,10 @@ void page_remove_rmap(struct page *page, struct vm_area_struct *vma) * Leaving it set also helps swapoff to reinstate ptes * faster for those pages still in swapcache. */ - if (page_test_and_clear_dirty(page)) + if (page_test_dirty(page)) { + page_clear_dirty(page); set_page_dirty(page); + } __dec_zone_page_state(page, PageAnon(page) ? NR_ANON_PAGES : NR_FILE_MAPPED); } |