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KVM: s390: randomize sca address
authorChristian Borntraeger <borntraeger@de.ibm.com>
Wed, 19 Mar 2014 10:18:29 +0000 (11:18 +0100)
committerChristian Borntraeger <borntraeger@de.ibm.com>
Tue, 25 Mar 2014 12:27:10 +0000 (13:27 +0100)
commitf6c137ff00a478ae619deea8650829dd2f8e71b9
tree6bdaf9f3273aba64328345918fa42900f0054282tree | snapshot (tar.gz zip)
parent94b3ffcd41a90d2cb0b32ca23aa58a01111d5dc0commit | diff
KVM: s390: randomize sca address

We allocate a page for the 2k sca, so lets use the space to improve
hit rate of some internal cpu caches. No need to change the freeing
of the page, as this will shift away the page offset bits anyway.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
arch/s390/kvm/kvm-s390.c diff | blob | blame | history