Messages in this thread | | | Date | Thu, 14 Aug 2014 09:16:14 +0200 | From | Martin Schwidefsky <> | Subject | Re: [PATCH v14 5/8] s390: add pmd_[dirty|mkclean] for THP |
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On Thu, 14 Aug 2014 10:53:29 +0900 Minchan Kim <minchan@kernel.org> wrote:
> MADV_FREE needs pmd_dirty and pmd_mkclean for detecting recent > overwrite of the contents since MADV_FREE syscall is called for > THP page but for s390 pmds only referenced bit is available > because there is no free bit left in the pmd entry for the > software dirty bit so this patch adds dumb pmd_dirty which > returns always true by suggesting by Martin. > > They finally find a solution in future. > http://marc.info/?l=linux-api&m=140440328820808&w=2
The solution is already there, see git commit 152125b7a882df36. You can drop this patch.
-- blue skies, Martin.
"Reality continues to ruin my life." - Calvin.
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