Messages in this thread | | | Date | Wed, 21 May 2014 12:34:46 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] mm: /prom/pid/clear_refs: avoid split_huge_page() |
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On Wed, 21 May 2014 22:04:22 +0300 "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> wrote:
> Currently we split all THP pages on any clear_refs request. It's not > necessary. We can handle this on PMD level. > > One side effect is that soft dirty will potentially see more dirty > memory, since we will mark whole THP page dirty at once.
This clashes pretty badly with http://ozlabs.org/~akpm/mmots/broken-out/clear_refs-redefine-callback-functions-for-page-table-walker.patch
> Sanity checked with CRIU test suite. More testing is required.
Will you be doing that testing or was this a request for Cyrill & co to help?
Perhaps this is post-3.15 material.
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