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SubjectRe: linux-next: manual merge of the akpm-current tree with the mips tree
On Thu, 28 May 2020 19:29:43 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:

> Hi all,
>
> Today's linux-next merge of the akpm-current tree got a conflict in:
>
> mm/memory.c
>
> between commit:
>
> 7df676974359 ("mm/memory.c: Update local TLB if PTE entry exists")
>
> from the mips tree and commit:
>
> e325f89fdd69 ("mm: memcontrol: convert anon and file-thp to new mem_cgroup_charge() API")
>
> 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.
>
> --- a/mm/memory.c
> +++ b/mm/memory.c
> @@@ -2752,9 -2748,6 +2749,8 @@@ static vm_fault_t wp_page_copy(struct v
> /* Free the old page.. */
> new_page = old_page;
> page_copied = 1;
> + } else {
> + update_mmu_tlb(vma, vmf->address, vmf->pte);
> - mem_cgroup_cancel_charge(new_page, memcg, false);
> }
>
> if (new_page)

We decided that the update_mmu_tlb() call is no longer needed here, so
there is no need to re-add it when resolving this.



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