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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)
commit4421c0bb7d19d1985d350c8c54aaade9781afbbd
tree6bdaf9f3273aba64328345918fa42900f0054282tree | snapshot
parent7f88add73feaf0ff2ec167f1c6f6c102166f3cf0commit | 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 | history
Linux Kernel Source Tree.