diff options
author | Rusty Russell | 2009-12-02 14:09:16 +1030 |
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committer | Ingo Molnar | 2009-12-02 10:27:16 +0100 |
commit | bdddd2963c0264c56f18043f6fa829d3c1d3d1c0 (patch) | |
tree | b3d886be91ddcf99e3b83c120aedebb840ff75df /crypto | |
parent | 8592e6486a177a02f048567cb928bc3a1f9a86c3 (diff) |
sched: Fix isolcpus boot option
Anton Blanchard wrote:
> We allocate and zero cpu_isolated_map after the isolcpus
> __setup option has run. This means cpu_isolated_map always
> ends up empty and if CPUMASK_OFFSTACK is enabled we write to a
> cpumask that hasn't been allocated.
I introduced this regression in 49557e620339cb13 (sched: Fix
boot crash by zalloc()ing most of the cpu masks).
Use the bootmem allocator if they set isolcpus=, otherwise
allocate and zero like normal.
Reported-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: peterz@infradead.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: <stable@kernel.org>
LKML-Reference: <200912021409.17013.rusty@rustcorp.com.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Tested-by: Anton Blanchard <anton@samba.org>
Diffstat (limited to 'crypto')
0 files changed, 0 insertions, 0 deletions