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s390/kvm: page table invalidation notifier

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Pass an address range to the page table invalidation notifier
for KVM. This allows to notify changes that affect a larger
virtual memory area, e.g. for 1MB pages.

Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Martin Schwidefsky
2016-03-08 11:52:54 +01:00
committed by Christian Borntraeger
parent 64672c95ea
commit 414d3b0749
3 changed files with 31 additions and 9 deletions
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3
arch/s390/include/asm/gmap.h
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@@ -39,7 +39,8 @@ struct gmap {
*/
struct gmap_notifier {
struct list_head list;
void (*notifier_call)(struct gmap *gmap, unsigned long gaddr);
void (*notifier_call)(struct gmap *gmap, unsigned long start,
unsigned long end);
};
struct gmap *gmap_alloc(struct mm_struct *mm, unsigned long limit);