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powerpc/numa: remove unreachable topology timer code

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Since vphn_enabled is always 0, we can stub out
timed_topology_update() and remove the code which becomes unreachable.

Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Reviewed-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200612051238.1007764-7-nathanl@linux.ibm.com
This commit is contained in:
Nathan Lynch 2020-06-12 00:12:26 -05:00 committed by Michael Ellerman
parent e6eacf8eb4
commit 50e0cf3742
1 changed files with 0 additions and 21 deletions
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21
arch/powerpc/mm/numa.c
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@ -1129,13 +1129,9 @@ struct topology_update_data {
int new_nid;
};
#define TOPOLOGY_DEF_TIMER_SECS 60
static cpumask_t cpu_associativity_changes_mask;
static const int vphn_enabled;
static const int prrn_enabled;
static void reset_topology_timer(void);
static int topology_timer_secs = 1;
static int topology_inited;
/*
@ -1143,15 +1139,6 @@ static int topology_inited;
*/
int timed_topology_update(int nsecs)
{
if (vphn_enabled) {
if (nsecs > 0)
topology_timer_secs = nsecs;
else
topology_timer_secs = TOPOLOGY_DEF_TIMER_SECS;
reset_topology_timer();
}
return 0;
}
@ -1438,14 +1425,6 @@ static void topology_schedule_update(void)
schedule_work(&topology_work);
}
static struct timer_list topology_timer;
static void reset_topology_timer(void)
{
if (vphn_enabled)
mod_timer(&topology_timer, jiffies + topology_timer_secs * HZ);
}
/*
* Start polling for associativity changes.
*/