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-rw-r--r--mm/page-writeback.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 555752907dc3..efd2705e4986 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -46,7 +46,6 @@
*/
static long ratelimit_pages = 32;
-static long total_pages; /* The total number of pages in the machine. */
static int dirty_exceeded __cacheline_aligned_in_smp; /* Dirty mem may be over limit */
/*
@@ -126,7 +125,7 @@ get_dirty_limits(long *pbackground, long *pdirty,
int unmapped_ratio;
long background;
long dirty;
- unsigned long available_memory = total_pages;
+ unsigned long available_memory = vm_total_pages;
struct task_struct *tsk;
#ifdef CONFIG_HIGHMEM
@@ -141,7 +140,7 @@ get_dirty_limits(long *pbackground, long *pdirty,
unmapped_ratio = 100 - ((global_page_state(NR_FILE_MAPPED) +
global_page_state(NR_ANON_PAGES)) * 100) /
- total_pages;
+ vm_total_pages;
dirty_ratio = vm_dirty_ratio;
if (dirty_ratio > unmapped_ratio / 2)
@@ -504,7 +503,7 @@ void laptop_sync_completion(void)
static void set_ratelimit(void)
{
- ratelimit_pages = total_pages / (num_online_cpus() * 32);
+ ratelimit_pages = vm_total_pages / (num_online_cpus() * 32);
if (ratelimit_pages < 16)
ratelimit_pages = 16;
if (ratelimit_pages * PAGE_CACHE_SIZE > 4096 * 1024)
@@ -533,9 +532,7 @@ void __init page_writeback_init(void)
long buffer_pages = nr_free_buffer_pages();
long correction;
- total_pages = nr_free_pagecache_pages();
-
- correction = (100 * 4 * buffer_pages) / total_pages;
+ correction = (100 * 4 * buffer_pages) / vm_total_pages;
if (correction < 100) {
dirty_background_ratio *= correction;