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authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2015-12-19 23:55:43 +0300
committerDavid S. Miller <davem@davemloft.net>2015-12-22 23:23:05 +0300
commitf2830d09895a64ba7a1a2c6ef41106c72e3654b2 (patch)
tree844b428f36bc546fce0601feac5e1bef63ad8b61 /net/rds/page.c
parent5c29482dd17835def5cb97918f8f83a881c9918a (diff)
downloadlinux-f2830d09895a64ba7a1a2c6ef41106c72e3654b2.tar.xz
RDS: don't pretend to use cpu notifiers
It looks like an attempt to use CPU notifier here which was never completed. Nobody tried to wire it up completely since 2k9. So I unwind this code and get rid of everything not required. Oh look! 19 lines were removed while code still does the same thing. Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Tested-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/rds/page.c')
-rw-r--r--net/rds/page.c31
1 files changed, 6 insertions, 25 deletions
diff --git a/net/rds/page.c b/net/rds/page.c
index 9005a2c920ee..5a14e6d6a926 100644
--- a/net/rds/page.c
+++ b/net/rds/page.c
@@ -179,37 +179,18 @@ out:
}
EXPORT_SYMBOL_GPL(rds_page_remainder_alloc);
-static int rds_page_remainder_cpu_notify(struct notifier_block *self,
- unsigned long action, void *hcpu)
+void rds_page_exit(void)
{
- struct rds_page_remainder *rem;
- long cpu = (long)hcpu;
+ unsigned int cpu;
- rem = &per_cpu(rds_page_remainders, cpu);
+ for_each_possible_cpu(cpu) {
+ struct rds_page_remainder *rem;
- rdsdebug("cpu %ld action 0x%lx\n", cpu, action);
+ rem = &per_cpu(rds_page_remainders, cpu);
+ rdsdebug("cpu %u\n", cpu);
- switch (action) {
- case CPU_DEAD:
if (rem->r_page)
__free_page(rem->r_page);
rem->r_page = NULL;
- break;
}
-
- return 0;
-}
-
-static struct notifier_block rds_page_remainder_nb = {
- .notifier_call = rds_page_remainder_cpu_notify,
-};
-
-void rds_page_exit(void)
-{
- int i;
-
- for_each_possible_cpu(i)
- rds_page_remainder_cpu_notify(&rds_page_remainder_nb,
- (unsigned long)CPU_DEAD,
- (void *)(long)i);
}