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xen: fix for 4.12 rc5

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Merge tag 'for-linus-4.12b-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fix from Juergen Gross:
 "A fix for Xen on ARM when dealing with 64kB page size of a guest"

* tag 'for-linus-4.12b-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/privcmd: Support correctly 64KB page granularity when mapping memory
This commit is contained in:
Linus Torvalds 2017-06-09 09:59:51 -07:00
commit eb4125dfdb
1 changed files with 2 additions and 2 deletions
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4
drivers/xen/privcmd.c
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@ -362,8 +362,8 @@ static int mmap_batch_fn(void *data, int nr, void *state)
st->global_error = 1;
}
}
st->va += PAGE_SIZE * nr;
st->index += nr;
st->va += XEN_PAGE_SIZE * nr;
st->index += nr / XEN_PFN_PER_PAGE;
return 0;
}