sched: Fix boot crash by zalloc()ing most of the cpu masks

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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>

...

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Rusty Russell 2009-11-02 20:37:20 +10:30 • committed by Ingo Molnar

parent f685ceacab

commit 49557e6203

1 changed files with 3 additions and 3 deletions

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kernel/sched.c

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