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(parent: f685cea) | patch
sched: Fix boot crash by zalloc()ing most of the cpu masks
authorRusty Russell <rusty@rustcorp.com.au>
Mon, 2 Nov 2009 10:07:20 +0000 (20:37 +1030)
committerIngo Molnar <mingo@elte.hu>
Mon, 2 Nov 2009 14:48:54 +0000 (15:48 +0100)
commit49557e620339cb134127b5bfbcfecc06b77d0232
treea2a73c84a384243a63c1b8e8462c39381d5ef98etree | snapshot (tar.gz zip)
parentf685ceacab07d3f6c236f04803e2f2f0dbcc5afbcommit | diff
sched: Fix boot crash by zalloc()ing most of the cpu masks

I got a boot crash when forcing cpumasks offstack on 32 bit,
because find_new_ilb() returned 3 on my UP system (nohz.cpu_mask
wasn't zeroed).

AFAICT the others need to be zeroed too: only
nohz.ilb_grp_nohz_mask is initialized before use.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <200911022037.21282.rusty@rustcorp.com.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/sched.c diff | blob | blame | history