• Minchan Kim's avatar
    arch/x86/include/asm/pgtable.h: add pmd_[dirty|mkclean] for THP · 590a471c
    Minchan Kim authored
    MADV_FREE needs pmd_dirty and pmd_mkclean for detecting recent overwrite
    of the contents since MADV_FREE syscall is called for THP page.
    
    This patch adds pmd_dirty and pmd_mkclean for THP page MADV_FREE
    support.
    Signed-off-by: default avatarMinchan Kim <minchan@kernel.org>
    Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
    Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
    Cc: Shaohua Li <shli@kernel.org>
    Cc: <yalin.wang2010@gmail.com>
    Cc: Andrea Arcangeli <aarcange@redhat.com>
    Cc: Andy Lutomirski <luto@amacapital.net>
    Cc: Arnd Bergmann <arnd@arndb.de>
    Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
    Cc: Catalin Marinas <catalin.marinas@arm.com>
    Cc: Chen Gang <gang.chen.5i5j@gmail.com>
    Cc: Chris Zankel <chris@zankel.net>
    Cc: Daniel Micay <danielmicay@gmail.com>
    Cc: Darrick J. Wong <darrick.wong@oracle.com>
    Cc: David S. Miller <davem@davemloft.net>
    Cc: Helge Deller <deller@gmx.de>
    Cc: Hugh Dickins <hughd@google.com>
    Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
    Cc: Jason Evans <je@fb.com>
    Cc: Johannes Weiner <hannes@cmpxchg.org>
    Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
    Cc: Kirill A. Shutemov <kirill@shutemov.name>
    Cc: Matt Turner <mattst88@gmail.com>
    Cc: Max Filippov <jcmvbkbc@gmail.com>
    Cc: Mel Gorman <mgorman@suse.de>
    Cc: Michael Kerrisk <mtk.manpages@gmail.com>
    Cc: Michal Hocko <mhocko@suse.com>
    Cc: Mika Penttil <mika.penttila@nextfour.com>
    Cc: Ralf Baechle <ralf@linux-mips.org>
    Cc: Richard Henderson <rth@twiddle.net>
    Cc: Rik van Riel <riel@redhat.com>
    Cc: Roland Dreier <roland@kernel.org>
    Cc: Russell King <rmk@arm.linux.org.uk>
    Cc: Shaohua Li <shli@kernel.org>
    Cc: Will Deacon <will.deacon@arm.com>
    Cc: Wu Fengguang <fengguang.wu@intel.com>
    Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
    Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
    590a471c
pgtable.h 21.1 KB