On Thu, 14 Aug 2014 10:53:29 +0900 Minchan Kim <minchan@xxxxxxxxxx> 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. -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
