s390/kasan: optimize kasan vmemmap allocation
authorVasily Gorbik <gor@linux.ibm.com>
Thu, 13 Sep 2018 14:09:52 +0000 (16:09 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 9 Oct 2018 09:21:34 +0000 (11:21 +0200)
commit12e55fa1944d2f2f15c580a94eda80cb7623f89d
tree533880bb716fbf6584d4d01d0f76594204befa56
parent296352397db68313a189e65a3513960a2c844632
s390/kasan: optimize kasan vmemmap allocation

Kasan implementation now supports memory hotplug operations. For that
reason regions of initially standby memory are now skipped from
shadow mapping and are mapped/unmapped dynamically upon bringing
memory online/offline.

Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/mm/kasan_init.c