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authorWu Fengguang <fengguang.wu@intel.com>2011-09-07 10:41:32 -0600
committerWu Fengguang <fengguang.wu@intel.com>2011-11-17 20:49:06 +0800
commit468e6a20afaccb67e2a7d7f60d301f90e1c6f301 (patch)
tree5558e92e85decd0fa0bb95ed6e637e1f68ea2fe1 /mm/page-writeback.c
parent1df647197c5b8aacaeb58592cba9a1df322c9000 (diff)
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writeback: remove vm_dirties and task->dirties
They are not used any more. Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Diffstat (limited to 'mm/page-writeback.c')
-rw-r--r--mm/page-writeback.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index e7cb5ff6e53d..71252486bc6f 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -128,7 +128,6 @@ unsigned long global_dirty_limit;
*
*/
static struct prop_descriptor vm_completions;
-static struct prop_descriptor vm_dirties;
/*
* couple the period to the dirty_ratio:
@@ -154,7 +153,6 @@ static void update_completion_period(void)
{
int shift = calc_period_shift();
prop_change_shift(&vm_completions, shift);
- prop_change_shift(&vm_dirties, shift);
writeback_set_ratelimit();
}
@@ -235,11 +233,6 @@ void bdi_writeout_inc(struct backing_dev_info *bdi)
}
EXPORT_SYMBOL_GPL(bdi_writeout_inc);
-void task_dirty_inc(struct task_struct *tsk)
-{
- prop_inc_single(&vm_dirties, &tsk->dirties);
-}
-
/*
* Obtain an accurate fraction of the BDI's portion.
*/
@@ -1395,7 +1388,6 @@ void __init page_writeback_init(void)
shift = calc_period_shift();
prop_descriptor_init(&vm_completions, shift);
- prop_descriptor_init(&vm_dirties, shift);
}
/**
@@ -1724,7 +1716,6 @@ void account_page_dirtied(struct page *page, struct address_space *mapping)
__inc_zone_page_state(page, NR_DIRTIED);
__inc_bdi_stat(mapping->backing_dev_info, BDI_RECLAIMABLE);
__inc_bdi_stat(mapping->backing_dev_info, BDI_DIRTIED);
- task_dirty_inc(current);
task_io_account_write(PAGE_CACHE_SIZE);
}
}