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| author | Thomas Gleixner <tglx@linutronix.de> | 2012-10-09 21:20:05 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2012-10-09 21:20:05 +0200 |
| commit | db8c246937713e60b7628661ccc187eeb81f2bae (patch) | |
| tree | 6351e8bca23eef40fce85396d1c6f6cfffbd4b66 /kernel/softirq.c | |
| parent | c5f66e99b7cb091e3d51ae8e8156892e8feb7fa3 (diff) | |
| parent | 28f2b02bc581ffc835bc1691b18d03f62fcf0395 (diff) | |
| download | linux-db8c246937713e60b7628661ccc187eeb81f2bae.tar.gz | |
Merge branch 'fortglx/3.7/time' of git://git.linaro.org/people/jstultz/linux into timers/core
Diffstat (limited to 'kernel/softirq.c')
| -rw-r--r-- | kernel/softirq.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c index 671f9594e368..b73e681df09e 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -210,6 +210,14 @@ asmlinkage void __do_softirq(void) __u32 pending; int max_restart = MAX_SOFTIRQ_RESTART; int cpu; + unsigned long old_flags = current->flags; + + /* + * Mask out PF_MEMALLOC s current task context is borrowed for the + * softirq. A softirq handled such as network RX might set PF_MEMALLOC + * again if the socket is related to swap + */ + current->flags &= ~PF_MEMALLOC; pending = local_softirq_pending(); account_system_vtime(current); @@ -265,6 +273,7 @@ restart: account_system_vtime(current); __local_bh_enable(SOFTIRQ_OFFSET); + tsk_restore_flags(current, old_flags, PF_MEMALLOC); } #ifndef __ARCH_HAS_DO_SOFTIRQ |