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-rw-r--r--mm/page-writeback.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index d821321326e3..9b3c4ee62abf 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -827,6 +827,8 @@ int __set_page_dirty_nobuffers(struct page *page)
WARN_ON_ONCE(!PagePrivate(page) && !PageUptodate(page));
if (mapping_cap_account_dirty(mapping)) {
__inc_zone_page_state(page, NR_FILE_DIRTY);
+ __inc_bdi_stat(mapping->backing_dev_info,
+ BDI_RECLAIMABLE);
task_io_account_write(PAGE_CACHE_SIZE);
}
radix_tree_tag_set(&mapping->page_tree,
@@ -961,6 +963,8 @@ int clear_page_dirty_for_io(struct page *page)
*/
if (TestClearPageDirty(page)) {
dec_zone_page_state(page, NR_FILE_DIRTY);
+ dec_bdi_stat(mapping->backing_dev_info,
+ BDI_RECLAIMABLE);
return 1;
}
return 0;