linux-kernel - [RFC PATCH v1 37/70] mm, vmstat:

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Message-Id: <1406080786-3938-38-git-send-email-gong.chen@linux.intel.com>
Date:	Tue, 22 Jul 2014 21:59:13 -0400
From:	"Chen, Gong" <gong.chen@...ux.intel.com>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...nel.org, tglx@...utronix.de, paulus@...ba.org,
	benh@...nel.crashing.org, tony.luck@...el.com, hpa@...or.com,
	jkosina@...e.cz, rafael.j.wysocki@...el.com, bp@...en8.de,
	linux@....linux.org.uk, ralf@...ux-mips.org,
	schwidefsky@...ibm.com, davem@...emloft.net,
	viro@...iv.linux.org.uk, fweisbec@...il.com, cl@...ux.com,
	akpm@...ux-foundation.org, axboe@...nel.dk,
	JBottomley@...allels.com, neilb@...e.de,
	christoffer.dall@...aro.org, rostedt@...dmis.org, rric@...nel.org,
	gregkh@...uxfoundation.org, mhocko@...e.cz, david@...morbit.com,
	"Chen, Gong" <gong.chen@...ux.intel.com>
Subject: [RFC PATCH v1 37/70] mm, vmstat: _FROZEN Cleanup

Remove XXX_FROZEN state from mm/vmstat.

Signed-off-by: Chen, Gong <gong.chen@...ux.intel.com>
---
 mm/vmstat.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/mm/vmstat.c b/mm/vmstat.c
index b37bd49..a29a3d8 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1268,24 +1268,20 @@ static int vmstat_cpuup_callback(struct notifier_block *nfb,
 {
 	long cpu = (long)hcpu;
 
-	switch (action) {
+	switch (action & ~CPU_TASKS_FROZEN) {
 	case CPU_ONLINE:
-	case CPU_ONLINE_FROZEN:
 		refresh_zone_stat_thresholds();
 		start_cpu_timer(cpu);
 		node_set_state(cpu_to_node(cpu), N_CPU);
 		break;
 	case CPU_DOWN_PREPARE:
-	case CPU_DOWN_PREPARE_FROZEN:
 		cancel_delayed_work_sync(&per_cpu(vmstat_work, cpu));
 		per_cpu(vmstat_work, cpu).work.func = NULL;
 		break;
 	case CPU_DOWN_FAILED:
-	case CPU_DOWN_FAILED_FROZEN:
 		start_cpu_timer(cpu);
 		break;
 	case CPU_DEAD:
-	case CPU_DEAD_FROZEN:
 		refresh_zone_stat_thresholds();
 		vmstat_cpu_dead(cpu_to_node(cpu));
 		break;
-- 
2.0.0.rc2

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