Commit 3a3c02ec authored by Johannes Weiner's avatar Johannes Weiner Committed by Linus Torvalds

mm: page-writeback: inline account_page_dirtied() into single caller

A follow-up patch would have changed the call signature.  To save the
trouble, just fold it instead.
Signed-off-by: default avatarJohannes Weiner <hannes@cmpxchg.org>
Acked-by: default avatarMichal Hocko <mhocko@suse.cz>
Cc: Vladimir Davydov <vdavydov@parallels.com>
Cc: <stable@vger.kernel.org>	[3.17.x]
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ea5d05b3
......@@ -1235,7 +1235,6 @@ int __set_page_dirty_no_writeback(struct page *page);
int redirty_page_for_writepage(struct writeback_control *wbc,
struct page *page);
void account_page_dirtied(struct page *page, struct address_space *mapping);
void account_page_writeback(struct page *page);
int set_page_dirty(struct page *page);
int set_page_dirty_lock(struct page *page);
int clear_page_dirty_for_io(struct page *page);
......
......@@ -2115,23 +2115,6 @@ void account_page_dirtied(struct page *page, struct address_space *mapping)
}
EXPORT_SYMBOL(account_page_dirtied);
/*
* Helper function for set_page_writeback family.
*
* The caller must hold mem_cgroup_begin/end_update_page_stat() lock
* while calling this function.
* See test_set_page_writeback for example.
*
* NOTE: Unlike account_page_dirtied this does not rely on being atomic
* wrt interrupts.
*/
void account_page_writeback(struct page *page)
{
mem_cgroup_inc_page_stat(page, MEM_CGROUP_STAT_WRITEBACK);
inc_zone_page_state(page, NR_WRITEBACK);
}
EXPORT_SYMBOL(account_page_writeback);
/*
* For address_spaces which do not use buffers. Just tag the page as dirty in
* its radix tree.
......@@ -2410,8 +2393,10 @@ int __test_set_page_writeback(struct page *page, bool keep_write)
} else {
ret = TestSetPageWriteback(page);
}
if (!ret)
account_page_writeback(page);
if (!ret) {
mem_cgroup_inc_page_stat(page, MEM_CGROUP_STAT_WRITEBACK);
inc_zone_page_state(page, NR_WRITEBACK);
}
mem_cgroup_end_update_page_stat(page, &locked, &memcg_flags);
return ret;
......
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