Re: linux-next: build failure after merge of the mm-hotfixes tree

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Hi, this patch relays on Tony Luck's Patch series "Copy-on-write poison recovery".[1]
and tested ppc64_defconfig based on next-20221208, it's no build failure

I think it is not very hotfix, also will send v3 to address some comments
we could adjust the patch order in mm tree, thanks.

[1] https://lore.kernel.org/all/50506c8a-71c1-9c68-aa47-7e8dc68a3c52@xxxxxxxxxx/


On 2022/12/13 6:30, Stephen Rothwell wrote:
Hi all,

After merging the mm-hotfixes tree, today's linux-next build (powerpc
ppc64_defconfig) failed like this:

mm/ksm.c: In function 'ksm_might_need_to_copy':
mm/ksm.c:2605:21: error: implicit declaration of function 'copy_mc_user_highpage'; did you mean 'copy_user_highpage'? [-Werror=implicit-function-declaration]
  2605 |                 if (copy_mc_user_highpage(new_page, page, address, vma)) {
       |                     ^~~~~~~~~~~~~~~~~~~~~
       |                     copy_user_highpage

Caused by commit

   b7edf4b1cdb1 ("mm: hwpoison: support recovery from ksm_might_need_to_copy()")

I have reverted that commit for today.




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