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RDS: don't pretend to use cpu notifiers

Browse source 
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 <[email protected]>
Tested-by: Santosh Shilimkar <[email protected]>
Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Sebastian Andrzej Siewior 2015-12-19 12:55:43 -08:00 • committed by David S. Miller
commit f2830d0989
1 changed files with 6 additions and 25 deletions
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31
net/rds/page.c
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@ -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);
}