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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-15 15:42:11 +0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-15 15:42:11 +0700 |
| commit | 2e67c56248b776c0a546925c796cdb167ee4d7a0 (patch) | |
| tree | 1532ff3d2a452ed52b732fba9878846494e863e1 /lib | |
| parent | Merge tag 'md/3.13-fixes' of git://neil.brown.name/md (diff) | |
| parent | lib/percpu_counter.c: fix __percpu_counter_add() (diff) | |
| download | wireguard-linux-2e67c56248b776c0a546925c796cdb167ee4d7a0.tar.xz wireguard-linux-2e67c56248b776c0a546925c796cdb167ee4d7a0.zip | |
Merge branch 'akpm' (incoming from Andrew)
Merge patches from Andrew Morton:
"Six fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
lib/percpu_counter.c: fix __percpu_counter_add()
crash_dump: fix compilation error (on MIPS at least)
mm: fix crash when using XFS on loopback
MIPS: fix blast_icache32 on loongson2
MIPS: fix case mismatch in local_r4k_flush_icache_range()
nilfs2: fix segctor bug that causes file system corruption
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/percpu_counter.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c index 7473ee3b4ee7..1da85bb1bc07 100644 --- a/lib/percpu_counter.c +++ b/lib/percpu_counter.c @@ -82,10 +82,10 @@ void __percpu_counter_add(struct percpu_counter *fbc, s64 amount, s32 batch) unsigned long flags; raw_spin_lock_irqsave(&fbc->lock, flags); fbc->count += count; + __this_cpu_sub(*fbc->counters, count); raw_spin_unlock_irqrestore(&fbc->lock, flags); - __this_cpu_write(*fbc->counters, 0); } else { - __this_cpu_write(*fbc->counters, count); + this_cpu_add(*fbc->counters, amount); } preempt_enable(); } |