Re: [PATCH 0/7] mm/thp: fix THP splitting unmap BUGs and related

[Andrew Morton]

On Thu, 3 Jun 2021 15:21:35 -0700 (PDT) Hugh Dickins <hughd@xxxxxxxxxx> wrote:

> And here's my attempt to rewrite history: mmotm-adjust.tar contains
> 
> before/series
> before/mm-remove-special-swap-entry-functions.patch
> before/mm-rmap-split-try_to_munlock-from-try_to_unmap.patch
> before/mm-huge_memoryc-remove-unnecessary-tlb_remove_page_size-for-huge-zero-pmd.patch
> after/series
> after/mm-remove-special-swap-entry-functions.patch
> after/mm-rmap-split-try_to_munlock-from-try_to_unmap.patch
> after/mm-huge_memoryc-remove-unnecessary-tlb_remove_page_size-for-huge-zero-pmd.patch
> 
> "before" contains the originals from mmotm .DATE=2021-06-01-19-57:
> your series file, two patches from Alistair and one from Miaohe, which
> gave rejects when I inserted this 1-7/7 patchset and Yang Shi's 1-2/2
> earlier.  All other patches applied cleanly, but could be refreshed.
> 
> "after" contains my replacements to those: adjusting them to how they
> would have been written if this patchset and Yang Shi's went first
> (and in adjusting some of the comments in Alistair's, I did not
> recognize the reason given for unmap_page() using try_to_unmap()
> on file THPs, so substituted my own explanation).
> 
> As diff'ing the series will show, first thing is to delete the old
> 
> mm-rmap-make-try_to_unmap-void-function-fix-fix.patch
> mm-rmap-make-try_to_unmap-void-function-fix.patch
> mm-rmap-make-try_to_unmap-void-function.patch
> mm-thp-replace-debug_vm-bug-with-vm_warn-when-unmap-fails-for-split.patch
> mm-thp-check-total_mapcount-instead-of-page_mapcount-fix-fix-fix.patch
> 
> Then insert, from the mailing list
> 
> hughd1.patch
> hughd2.patch
> hughd3.patch
> hughd4.patch
> hughd5.patch
> hughd6.patch
> yangshi1.patch
> yangshi2.patch
> hughd7.patch

There have been some significant-appearing review comments coming in on
hughdN.patch just today.

So...  I think I'll pass for now.  How about when the dust has settled
you send out a complete series of the hughd and yahgshi patches against
Linus mainline?