Convert nr_writeback
Signed-off-by: Christoph Lameter <[email protected]>
Index: linux-2.6.15-rc5-mm3/drivers/base/node.c
===================================================================
--- linux-2.6.15-rc5-mm3.orig/drivers/base/node.c 2005-12-20 12:58:54.000000000 -0800
+++ linux-2.6.15-rc5-mm3/drivers/base/node.c 2005-12-20 12:59:09.000000000 -0800
@@ -52,9 +52,6 @@ static ssize_t node_read_meminfo(struct
for (j = 0; j < NR_STAT_ITEMS; j++)
nr[j] = node_page_state(nid, j);
- /* Check for negative values in these approximate counters */
- if ((long)ps.nr_writeback < 0)
- ps.nr_writeback = 0;
n = sprintf(buf, "\n"
"Node %d MemTotal: %8lu kB\n"
@@ -81,7 +78,7 @@ static ssize_t node_read_meminfo(struct
nid, K(i.totalram - i.totalhigh),
nid, K(i.freeram - i.freehigh),
nid, K(nr[NR_DIRTY]),
- nid, K(ps.nr_writeback),
+ nid, K(nr[NR_WRITEBACK]),
nid, K(nr[NR_MAPPED]),
nid, K(nr[NR_PAGECACHE]),
nid, K(nr[NR_SLAB]));
Index: linux-2.6.15-rc5-mm3/fs/proc/proc_misc.c
===================================================================
--- linux-2.6.15-rc5-mm3.orig/fs/proc/proc_misc.c 2005-12-20 12:58:54.000000000 -0800
+++ linux-2.6.15-rc5-mm3/fs/proc/proc_misc.c 2005-12-20 12:59:09.000000000 -0800
@@ -189,7 +189,7 @@ static int meminfo_read_proc(char *page,
K(i.totalswap),
K(i.freeswap),
K(global_page_state(NR_DIRTY)),
- K(ps.nr_writeback),
+ K(global_page_state(NR_WRITEBACK)),
K(global_page_state(NR_MAPPED)),
K(global_page_state(NR_SLAB)),
K(allowed),
Index: linux-2.6.15-rc5-mm3/arch/i386/mm/pgtable.c
===================================================================
--- linux-2.6.15-rc5-mm3.orig/arch/i386/mm/pgtable.c 2005-12-20 12:58:54.000000000 -0800
+++ linux-2.6.15-rc5-mm3/arch/i386/mm/pgtable.c 2005-12-20 12:59:09.000000000 -0800
@@ -60,7 +60,7 @@ void show_mem(void)
get_page_state(&ps);
printk(KERN_INFO "%lu pages dirty\n", global_page_state(NR_DIRTY));
- printk(KERN_INFO "%lu pages writeback\n", ps.nr_writeback);
+ printk(KERN_INFO "%lu pages writeback\n", global_page_state(NR_WRITEBACK));
printk(KERN_INFO "%lu pages mapped\n", ps.nr_mapped);
printk(KERN_INFO "%lu pages slab\n", ps.nr_slab);
printk(KERN_INFO "%lu pages pagetables\n", ps.nr_page_table_pages);
Index: linux-2.6.15-rc5-mm3/mm/page_alloc.c
===================================================================
--- linux-2.6.15-rc5-mm3.orig/mm/page_alloc.c 2005-12-20 12:58:54.000000000 -0800
+++ linux-2.6.15-rc5-mm3/mm/page_alloc.c 2005-12-20 12:59:09.000000000 -0800
@@ -598,7 +598,7 @@ static int rmqueue_bulk(struct zone *zon
}
char *stat_item_descr[NR_STAT_ITEMS] = {
- "mapped","pagecache", "slab", "pagetable", "dirty"
+ "mapped","pagecache", "slab", "pagetable", "dirty", "writeback"
};
/*
@@ -1783,7 +1783,7 @@ void show_free_areas(void)
active,
inactive,
global_page_state(NR_DIRTY),
- ps.nr_writeback,
+ global_page_state(NR_WRITEBACK),
ps.nr_unstable,
nr_free_pages(),
global_page_state(NR_SLAB),
@@ -2682,9 +2682,9 @@ static char *vmstat_text[] = {
"nr_slab",
"nr_page_table_pages",
"nr_dirty",
+ "nr_writeback",
/* Page state */
- "nr_writeback",
"nr_unstable",
"pgpgin",
Index: linux-2.6.15-rc5-mm3/include/linux/page-flags.h
===================================================================
--- linux-2.6.15-rc5-mm3.orig/include/linux/page-flags.h 2005-12-20 12:58:54.000000000 -0800
+++ linux-2.6.15-rc5-mm3/include/linux/page-flags.h 2005-12-20 12:59:09.000000000 -0800
@@ -91,7 +91,6 @@
* In this case, the field should be commented here.
*/
struct page_state {
- unsigned long nr_writeback; /* Pages under writeback */
unsigned long nr_unstable; /* NFS unstable pages */
#define GET_PAGE_STATE_LAST nr_unstable
@@ -322,7 +321,7 @@ void dec_zone_page_state(const struct pa
do { \
if (!test_and_set_bit(PG_writeback, \
&(page)->flags)) \
- inc_page_state(nr_writeback); \
+ inc_zone_page_state(page, NR_WRITEBACK); \
} while (0)
#define TestSetPageWriteback(page) \
({ \
@@ -330,14 +329,14 @@ void dec_zone_page_state(const struct pa
ret = test_and_set_bit(PG_writeback, \
&(page)->flags); \
if (!ret) \
- inc_page_state(nr_writeback); \
+ inc_zone_page_state(page, NR_WRITEBACK); \
ret; \
})
#define ClearPageWriteback(page) \
do { \
if (test_and_clear_bit(PG_writeback, \
&(page)->flags)) \
- dec_page_state(nr_writeback); \
+ dec_zone_page_state(page, NR_WRITEBACK); \
} while (0)
#define TestClearPageWriteback(page) \
({ \
@@ -345,7 +344,7 @@ void dec_zone_page_state(const struct pa
ret = test_and_clear_bit(PG_writeback, \
&(page)->flags); \
if (ret) \
- dec_page_state(nr_writeback); \
+ dec_zone_page_state(page, NR_WRITEBACK); \
ret; \
})
Index: linux-2.6.15-rc5-mm3/mm/page-writeback.c
===================================================================
--- linux-2.6.15-rc5-mm3.orig/mm/page-writeback.c 2005-12-20 12:58:54.000000000 -0800
+++ linux-2.6.15-rc5-mm3/mm/page-writeback.c 2005-12-20 12:59:09.000000000 -0800
@@ -112,7 +112,7 @@ static void get_writeback_state(struct w
wbs->nr_dirty = global_page_state(NR_DIRTY);
wbs->nr_unstable = read_page_state(nr_unstable);
wbs->nr_mapped = global_page_state(NR_MAPPED);
- wbs->nr_writeback = read_page_state(nr_writeback);
+ wbs->nr_writeback = global_page_state(NR_WRITEBACK);
}
/*
Index: linux-2.6.15-rc5-mm3/include/linux/mmzone.h
===================================================================
--- linux-2.6.15-rc5-mm3.orig/include/linux/mmzone.h 2005-12-20 12:58:54.000000000 -0800
+++ linux-2.6.15-rc5-mm3/include/linux/mmzone.h 2005-12-20 12:59:09.000000000 -0800
@@ -51,6 +51,7 @@ enum zone_stat_item {
NR_SLAB, /* used by slab allocator */
NR_PAGETABLE, /* used for pagetables */
NR_DIRTY,
+ NR_WRITEBACK,
NR_STAT_ITEMS };
#ifdef CONFIG_SMP
-
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