From: Michal Hocko <mhocko@xxxxxxxx>
show_node currently only prints Node id while it is always followed by
printing zone->name. As the node information is conditional to
CONFIG_NUMA we have to be careful to always terminate the previous
continuation line before printing the zone name. This is quite ugly
and easy to mess up. Let's rename show_node to show_zone_node and
make sure that it will always start at a new line. We can drop the ugly
printk(KERN_CONT "\n") from show_free_areas.
Signed-off-by: Michal Hocko <mhocko@xxxxxxxx>
---
Hi,
this has been sitting in my tree since oct and I completely forgot about
it. Does this look like a reasonable clean up to you?
mm/page_alloc.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 3f2c9e535f7f..5324efa8b9d0 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4120,10 +4120,12 @@ unsigned long nr_free_pagecache_pages(void)
return nr_free_zone_pages(gfp_zone(GFP_HIGHUSER_MOVABLE));
}
-static inline void show_node(struct zone *zone)
+static inline void show_zone_node(struct zone *zone)
{
if (IS_ENABLED(CONFIG_NUMA))
- printk("Node %d ", zone_to_nid(zone));
+ printk("Node %d %s", zone_to_nid(zone), zone->name);
+ else
+ printk("%s: ", zone->name);
}
long si_mem_available(void)
@@ -4371,9 +4373,8 @@ void show_free_areas(unsigned int filter)
for_each_online_cpu(cpu)
free_pcp += per_cpu_ptr(zone->pageset, cpu)->pcp.count;
- show_node(zone);
+ show_zone_node(zone);
printk(KERN_CONT
- "%s"
" free:%lukB"
" min:%lukB"
" low:%lukB"
@@ -4396,7 +4397,6 @@ void show_free_areas(unsigned int filter)
" local_pcp:%ukB"
" free_cma:%lukB"
"\n",
- zone->name,
K(zone_page_state(zone, NR_FREE_PAGES)),
K(min_wmark_pages(zone)),
K(low_wmark_pages(zone)),
@@ -4421,7 +4421,6 @@ void show_free_areas(unsigned int filter)
printk("lowmem_reserve[]:");
for (i = 0; i < MAX_NR_ZONES; i++)
printk(KERN_CONT " %ld", zone->lowmem_reserve[i]);
- printk(KERN_CONT "\n");
}
for_each_populated_zone(zone) {
@@ -4431,8 +4430,7 @@ void show_free_areas(unsigned int filter)
if (skip_free_areas_node(filter, zone_to_nid(zone)))
continue;
- show_node(zone);
- printk(KERN_CONT "%s: ", zone->name);
+ show_zone_node(zone);
spin_lock_irqsave(&zone->lock, flags);
for (order = 0; order < MAX_ORDER; order++) {
--
2.10.2
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