diff options
-rw-r--r-- | include/linux/writeback.h | 1 | ||||
-rw-r--r-- | mm/memory.c | 5 | ||||
-rw-r--r-- | mm/page-writeback.c | 10 |
3 files changed, 14 insertions, 2 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 0422036af4eb..56a23a0e7f2e 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h | |||
@@ -116,6 +116,7 @@ int sync_page_range(struct inode *inode, struct address_space *mapping, | |||
116 | loff_t pos, loff_t count); | 116 | loff_t pos, loff_t count); |
117 | int sync_page_range_nolock(struct inode *inode, struct address_space *mapping, | 117 | int sync_page_range_nolock(struct inode *inode, struct address_space *mapping, |
118 | loff_t pos, loff_t count); | 118 | loff_t pos, loff_t count); |
119 | void set_page_dirty_balance(struct page *page); | ||
119 | 120 | ||
120 | /* pdflush.c */ | 121 | /* pdflush.c */ |
121 | extern int nr_pdflush_threads; /* Global so it can be exported to sysctl | 122 | extern int nr_pdflush_threads; /* Global so it can be exported to sysctl |
diff --git a/mm/memory.c b/mm/memory.c index fa941b169071..dd7d7fc5ed60 100644 --- a/mm/memory.c +++ b/mm/memory.c | |||
@@ -49,6 +49,7 @@ | |||
49 | #include <linux/module.h> | 49 | #include <linux/module.h> |
50 | #include <linux/delayacct.h> | 50 | #include <linux/delayacct.h> |
51 | #include <linux/init.h> | 51 | #include <linux/init.h> |
52 | #include <linux/writeback.h> | ||
52 | 53 | ||
53 | #include <asm/pgalloc.h> | 54 | #include <asm/pgalloc.h> |
54 | #include <asm/uaccess.h> | 55 | #include <asm/uaccess.h> |
@@ -1571,7 +1572,7 @@ gotten: | |||
1571 | unlock: | 1572 | unlock: |
1572 | pte_unmap_unlock(page_table, ptl); | 1573 | pte_unmap_unlock(page_table, ptl); |
1573 | if (dirty_page) { | 1574 | if (dirty_page) { |
1574 | set_page_dirty(dirty_page); | 1575 | set_page_dirty_balance(dirty_page); |
1575 | put_page(dirty_page); | 1576 | put_page(dirty_page); |
1576 | } | 1577 | } |
1577 | return ret; | 1578 | return ret; |
@@ -2218,7 +2219,7 @@ retry: | |||
2218 | unlock: | 2219 | unlock: |
2219 | pte_unmap_unlock(page_table, ptl); | 2220 | pte_unmap_unlock(page_table, ptl); |
2220 | if (dirty_page) { | 2221 | if (dirty_page) { |
2221 | set_page_dirty(dirty_page); | 2222 | set_page_dirty_balance(dirty_page); |
2222 | put_page(dirty_page); | 2223 | put_page(dirty_page); |
2223 | } | 2224 | } |
2224 | return ret; | 2225 | return ret; |
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 1c87430b7a25..b9f4c6f1be86 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c | |||
@@ -244,6 +244,16 @@ static void balance_dirty_pages(struct address_space *mapping) | |||
244 | pdflush_operation(background_writeout, 0); | 244 | pdflush_operation(background_writeout, 0); |
245 | } | 245 | } |
246 | 246 | ||
247 | void set_page_dirty_balance(struct page *page) | ||
248 | { | ||
249 | if (set_page_dirty(page)) { | ||
250 | struct address_space *mapping = page_mapping(page); | ||
251 | |||
252 | if (mapping) | ||
253 | balance_dirty_pages_ratelimited(mapping); | ||
254 | } | ||
255 | } | ||
256 | |||
247 | /** | 257 | /** |
248 | * balance_dirty_pages_ratelimited_nr - balance dirty memory state | 258 | * balance_dirty_pages_ratelimited_nr - balance dirty memory state |
249 | * @mapping: address_space which was dirtied | 259 | * @mapping: address_space which was dirtied |