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Message-Id: <1404799424-1120-1-git-send-email-minchan@kernel.org> Date: Tue, 8 Jul 2014 15:03:37 +0900 From: Minchan Kim <minchan@...nel.org> To: Andrew Morton <akpm@...ux-foundation.org> Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org, Michael Kerrisk <mtk.manpages@...il.com>, Linux API <linux-api@...r.kernel.org>, Hugh Dickins <hughd@...gle.com>, Johannes Weiner <hannes@...xchg.org>, Rik van Riel <riel@...hat.com>, KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>, Mel Gorman <mgorman@...e.de>, Jason Evans <je@...com>, Zhang Yanfei <zhangyanfei@...fujitsu.com>, "Kirill A. Shutemov" <kirill@...temov.name>, Minchan Kim <minchan@...nel.org> Subject: [PATCH v11 0/7] MADV_FREE support This patch enable MADV_FREE hint for madvise syscall, which have been supported by other OSes. [PATCH 1] includes the details. [1] support MADVISE_FREE for !THP page so if VM encounter THP page in syscall context, it splits THP page. [2-6] is to preparing to call madvise syscall without THP plitting [7] enable THP page support for MADV_FREE. * From v10 * Add Acked-by from arch stuff(x86, s390) * Pagewalker based pagetable working - Kirill * Fix try_to_unmap_one broken with hwpoison - Kirill * Use VM_BUG_ON_PAGE in madvise_free_pmd - Kirill * Fix pgtable-3level.h for arm - Steve * From v9 * Add Acked-by - Rik * Add THP page support - Kirill * Rebased-on v3.16-rc3-mmotm-2014-07-02-15-07 * From v8 * Rebased-on v3.16-rc2-mmotm-2014-06-25-16-44 * From v7 * Rebased-on next-20140613 * From v6 * Remove page from swapcache in syscal time * Move utility functions from memory.c to madvise.c - Johannes * Rename untilify functtions - Johannes * Remove unnecessary checks from vmscan.c - Johannes * Rebased-on v3.15-rc5-mmotm-2014-05-16-16-56 * Drop Reviewe-by because there was some changes since then. * From v5 * Fix PPC problem which don't flush TLB - Rik * Remove unnecessary lazyfree_range stub function - Rik * Rebased on v3.15-rc5 * From v4 * Add Reviewed-by: Zhang Yanfei * Rebase on v3.15-rc1-mmotm-2014-04-15-16-14 * From v3 * Add "how to work part" in description - Zhang * Add page_discardable utility function - Zhang * Clean up * From v2 * Remove forceful dirty marking of swap-readed page - Johannes * Remove deactivation logic of lazyfreed page * Rebased on 3.14 * Remove RFC tag * From v1 * Use custom page table walker for madvise_free - Johannes * Remove PG_lazypage flag - Johannes * Do madvise_dontneed instead of madvise_freein swapless system Minchan Kim (7): [1] mm: support madvise(MADV_FREE) [2] x86: add pmd_[dirty|mkclean] for THP [3] sparc: add pmd_[dirty|mkclean] for THP [4] powerpc: add pmd_[dirty|mkclean] for THP [5] s390: add pmd_[dirty|mkclean] for THP [6] ARM: add pmd_[dirty|mkclean] for THP [7] mm: Don't split THP page when syscall is called arch/arm/include/asm/pgtable-3level.h | 3 + arch/arm64/include/asm/pgtable.h | 2 + arch/powerpc/include/asm/pgtable-ppc64.h | 2 + arch/s390/include/asm/pgtable.h | 12 +++ arch/sparc/include/asm/pgtable_64.h | 16 ++++ arch/x86/include/asm/pgtable.h | 10 ++ include/linux/rmap.h | 9 +- include/linux/vm_event_item.h | 1 + include/uapi/asm-generic/mman-common.h | 1 + mm/madvise.c | 153 +++++++++++++++++++++++++++++++ mm/rmap.c | 41 ++++++++- mm/vmscan.c | 64 +++++++++---- mm/vmstat.c | 1 + 13 files changed, 295 insertions(+), 20 deletions(-) -- 2.0.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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