On Fri, Jan 11, 2019 at 01:51:00PM +1100, Stephen Rothwell wrote:
> Hi all,
>
> Today's linux-next merge of the akpm-current tree got a conflict in:
>
> mm/rmap.c
>
> between commit:
>
> ba422731316d ("mm/mmu_notifier: mm/rmap.c: Fix a mmu_notifier range bug in
> try_to_unmap_one")
>
> from Linus' tree and commit:
>
> f955d5dda846 ("mm/mmu_notifier: contextual information for event triggering
> invalidation v2")
>
> from the akpm-current tree.
>
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging. You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
This looks good to me.
Thank you,
Jérôme
>
> --
> Cheers,
> Stephen Rothwell
>
> diff --cc mm/rmap.c
> index 0454ecc29537,62e47f3462cf..000000000000
> --- a/mm/rmap.c
> +++ b/mm/rmap.c
> @@@ -1371,9 -1372,10 +1372,10 @@@ static bool try_to_unmap_one(struct pag
> * Note that the page can not be free in this function as call of
> * try_to_unmap() must hold a reference on the page.
> */
> - mmu_notifier_range_init(&range, vma->vm_mm, vma->vm_start,
> - min(vma->vm_end, vma->vm_start +
> + mmu_notifier_range_init(&range, vma->vm_mm, address,
> + min(vma->vm_end, address +
> - (PAGE_SIZE << compound_order(page))));
> + (PAGE_SIZE << compound_order(page))),
> + MMU_NOTIFY_CLEAR);
> if (PageHuge(page)) {
> /*
> * If sharing is possible, start and end will be adjusted
