Eric Lee / smarc-ti-linux-kernel

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Commit b4ef0296f214a1e0e65f161f88663b0ca1acca31

Authored by Andrew Morton
Committed by Linus Torvalds
1 parent c67ad917cb
Exists in master and in 20 other branches dlt-processor-sdk-linux-03.00.00.04, newt-ti-linux-3.12.y, processor-sdk-linux-01.00.00, processor-sdk-linux-02.00.01, smarc-ti-linux-3.12.10, smarc-ti-linux-3.12.y, smarc-ti-linux-3.14.y, smarc-ti-linux-3.15.y, smarc-ti-lsk-linux-4.1.y, smarct3x-processor-sdk-04.01.00.06, smarct3x-processor-sdk-linux-02.00.01, smarct3x-processor-sdk-linux-03.00.00.04, smarct4x-800-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-04.01.00.06, smarct4x-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-linux-03.00.00.04, ti-linux-3.12.y, ti-linux-3.14.y, ti-linux-3.15.y, ti-lsk-linux-4.1.y

percpu_counters: use for_each_online_cpu() 

Now that we have implemented hotunplug-time counter spilling,
percpu_counter_sum() only needs to look at online CPUs.

Cc: Gautham R Shenoy <ego@in.ibm.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Showing 1 changed file with 1 additions and 1 deletions Side-by-side Diff

lib/percpu_counter.c
Diff comments   View file @ b4ef029
... ... @@ -45,7 +45,7 @@
45 45  
46 46 spin_lock(&fbc->lock);
47 47 ret = fbc->count;
48   - for_each_possible_cpu(cpu) {
  48 + for_each_online_cpu(cpu) {
49 49 s32 *pcount = per_cpu_ptr(fbc->counters, cpu);
50 50 ret += *pcount;
51 51 }