diff options
| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2015-12-19 21:55:43 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-12-22 21:23:05 +0100 |
| commit | f2830d09895a64ba7a1a2c6ef41106c72e3654b2 (patch) | |
| tree | 844b428f36bc546fce0601feac5e1bef63ad8b61 /net/rds/page.c | |
| parent | net-sysfs: use to_net_dev in net_namespace() (diff) | |
| download | linux-f2830d09895a64ba7a1a2c6ef41106c72e3654b2.tar.xz linux-f2830d09895a64ba7a1a2c6ef41106c72e3654b2.zip | |
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.c | 31 |
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); } |