tree facf804f00b7de20fd5d79dde7e46c78e3b1ed5c
parent d38b223c86db3162dc85b5a1997ac8a210e1660b
author Mike Travis <travis@sgi.com> 1231653491 -0800
committer Ingo Molnar <mingo@elte.hu> 1231697605 +0100

Xen: reduce memory required for cpu_evtchn_mask

Impact: reduce memory usage.

Reduce this significant gain in the amount of memory used
when NR_CPUS bumped from 128 to 4096 by allocating the
array based on nr_cpu_ids:

    65536  +2031616   2097152 +3100%  cpu_evtchn_mask(.bss)

Signed-off-by: Mike Travis <travis@sgi.com>
Cc: Jeremy Fitzhardinge <jeremy@xensource.com>
Cc: Chris Wright <chrisw@sous-sol.org>
Cc: virtualization@lists.osdl.org
Cc: xen-devel@lists.xensource.com