From: Minchan Kim <minchan@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Michael Kerrisk <mtk.manpages@gmail.com>,
linux-api@vger.kernel.org, Hugh Dickins <hughd@google.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Rik van Riel <riel@redhat.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Mel Gorman <mgorman@suse.de>, Jason Evans <je@fb.com>,
zhangyanfei@cn.fujitsu.com,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Minchan Kim <minchan@kernel.org>,
Russell King <linux@arm.linux.org.uk>,
linux-arm-kernel@lists.infradead.org,
Will Deacon <will.deacon@arm.com>,
Steve Capper <steve.capper@linaro.org>,
Catalin Marinas <catalin.marinas@arm.com>
Subject: [PATCH v16 6/7] arm64: add pmd_[dirty|mkclean] for THP
Date: Mon, 1 Sep 2014 16:20:47 +0900 [thread overview]
Message-ID: <1409556048-5045-7-git-send-email-minchan@kernel.org> (raw)
In-Reply-To: <1409556048-5045-1-git-send-email-minchan@kernel.org>
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.
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Acked-by: Will Deacon <will.deacon@arm.com>
Acked-by: Steve Capper <steve.capper@linaro.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Minchan Kim <minchan@kernel.org>
---
arch/arm64/include/asm/pgtable.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index ffe1ba0506d1..efb1b2fc4d39 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -259,10 +259,12 @@ static inline pmd_t pte_pmd(pte_t pte)
#endif
#define pmd_young(pmd) pte_young(pmd_pte(pmd))
+#define pmd_dirty(pmd) pte_dirty(pmd_pte(pmd))
#define pmd_wrprotect(pmd) pte_pmd(pte_wrprotect(pmd_pte(pmd)))
#define pmd_mksplitting(pmd) pte_pmd(pte_mkspecial(pmd_pte(pmd)))
#define pmd_mkold(pmd) pte_pmd(pte_mkold(pmd_pte(pmd)))
#define pmd_mkwrite(pmd) pte_pmd(pte_mkwrite(pmd_pte(pmd)))
+#define pmd_mkclean(pmd) pte_pmd(pte_mkclean(pmd_pte(pmd)))
#define pmd_mkdirty(pmd) pte_pmd(pte_mkdirty(pmd_pte(pmd)))
#define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd)))
#define pmd_mknotpresent(pmd) (__pmd(pmd_val(pmd) & ~PMD_TYPE_MASK))
--
2.0.0
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
WARNING: multiple messages have this Message-ID (diff)
From: minchan@kernel.org (Minchan Kim)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v16 6/7] arm64: add pmd_[dirty|mkclean] for THP
Date: Mon, 1 Sep 2014 16:20:47 +0900 [thread overview]
Message-ID: <1409556048-5045-7-git-send-email-minchan@kernel.org> (raw)
In-Reply-To: <1409556048-5045-1-git-send-email-minchan@kernel.org>
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.
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-arm-kernel at lists.infradead.org
Acked-by: Will Deacon <will.deacon@arm.com>
Acked-by: Steve Capper <steve.capper@linaro.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Minchan Kim <minchan@kernel.org>
---
arch/arm64/include/asm/pgtable.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index ffe1ba0506d1..efb1b2fc4d39 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -259,10 +259,12 @@ static inline pmd_t pte_pmd(pte_t pte)
#endif
#define pmd_young(pmd) pte_young(pmd_pte(pmd))
+#define pmd_dirty(pmd) pte_dirty(pmd_pte(pmd))
#define pmd_wrprotect(pmd) pte_pmd(pte_wrprotect(pmd_pte(pmd)))
#define pmd_mksplitting(pmd) pte_pmd(pte_mkspecial(pmd_pte(pmd)))
#define pmd_mkold(pmd) pte_pmd(pte_mkold(pmd_pte(pmd)))
#define pmd_mkwrite(pmd) pte_pmd(pte_mkwrite(pmd_pte(pmd)))
+#define pmd_mkclean(pmd) pte_pmd(pte_mkclean(pmd_pte(pmd)))
#define pmd_mkdirty(pmd) pte_pmd(pte_mkdirty(pmd_pte(pmd)))
#define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd)))
#define pmd_mknotpresent(pmd) (__pmd(pmd_val(pmd) & ~PMD_TYPE_MASK))
--
2.0.0
WARNING: multiple messages have this Message-ID (diff)
From: Minchan Kim <minchan@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Michael Kerrisk <mtk.manpages@gmail.com>,
linux-api@vger.kernel.org, Hugh Dickins <hughd@google.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Rik van Riel <riel@redhat.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Mel Gorman <mgorman@suse.de>, Jason Evans <je@fb.com>,
zhangyanfei@cn.fujitsu.com,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Minchan Kim <minchan@kernel.org>,
Russell King <linux@arm.linux.org.uk>,
linux-arm-kernel@lists.infradead.org,
Will Deacon <will.deacon@arm.com>,
Steve Capper <steve.capper@linaro.org>,
Catalin Marinas <catalin.marinas@arm.com>
Subject: [PATCH v16 6/7] arm64: add pmd_[dirty|mkclean] for THP
Date: Mon, 1 Sep 2014 16:20:47 +0900 [thread overview]
Message-ID: <1409556048-5045-7-git-send-email-minchan@kernel.org> (raw)
In-Reply-To: <1409556048-5045-1-git-send-email-minchan@kernel.org>
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.
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Acked-by: Will Deacon <will.deacon@arm.com>
Acked-by: Steve Capper <steve.capper@linaro.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Minchan Kim <minchan@kernel.org>
---
arch/arm64/include/asm/pgtable.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index ffe1ba0506d1..efb1b2fc4d39 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -259,10 +259,12 @@ static inline pmd_t pte_pmd(pte_t pte)
#endif
#define pmd_young(pmd) pte_young(pmd_pte(pmd))
+#define pmd_dirty(pmd) pte_dirty(pmd_pte(pmd))
#define pmd_wrprotect(pmd) pte_pmd(pte_wrprotect(pmd_pte(pmd)))
#define pmd_mksplitting(pmd) pte_pmd(pte_mkspecial(pmd_pte(pmd)))
#define pmd_mkold(pmd) pte_pmd(pte_mkold(pmd_pte(pmd)))
#define pmd_mkwrite(pmd) pte_pmd(pte_mkwrite(pmd_pte(pmd)))
+#define pmd_mkclean(pmd) pte_pmd(pte_mkclean(pmd_pte(pmd)))
#define pmd_mkdirty(pmd) pte_pmd(pte_mkdirty(pmd_pte(pmd)))
#define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd)))
#define pmd_mknotpresent(pmd) (__pmd(pmd_val(pmd) & ~PMD_TYPE_MASK))
--
2.0.0
next prev parent reply other threads:[~2014-09-01 7:20 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-01 7:20 [PATCH v16 0/7] MADV_FREE support Minchan Kim
2014-09-01 7:20 ` Minchan Kim
2014-09-01 7:20 ` Minchan Kim
2014-09-01 7:20 ` [PATCH v16 1/7] mm: support madvise(MADV_FREE) Minchan Kim
2014-09-01 7:20 ` Minchan Kim
2014-09-16 6:08 ` SeongJae Park
2014-09-16 6:08 ` SeongJae Park
[not found] ` <CAEjAshqHry=Fj0YSZmG-F6-M160JC-BqE+QhssWON+kknNNmNQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-19 6:17 ` Minchan Kim
2014-09-19 6:17 ` Minchan Kim
2014-09-19 6:17 ` Minchan Kim
2014-09-01 7:20 ` [PATCH v16 2/7] x86: add pmd_[dirty|mkclean] for THP Minchan Kim
2014-09-01 7:20 ` Minchan Kim
2014-09-01 7:20 ` [PATCH v16 3/7] sparc: " Minchan Kim
2014-09-01 7:20 ` Minchan Kim
2014-09-01 7:20 ` Minchan Kim
2014-09-01 7:20 ` [PATCH v16 4/7] powerpc: " Minchan Kim
2014-09-01 7:20 ` Minchan Kim
2014-09-01 7:20 ` Minchan Kim
2014-09-01 7:20 ` [PATCH v16 5/7] arm: add pmd_mkclean " Minchan Kim
2014-09-01 7:20 ` Minchan Kim
2014-09-01 7:20 ` Minchan Kim
2014-09-01 7:20 ` Minchan Kim [this message]
2014-09-01 7:20 ` [PATCH v16 6/7] arm64: add pmd_[dirty|mkclean] " Minchan Kim
2014-09-01 7:20 ` Minchan Kim
2014-09-01 7:20 ` [PATCH v16 7/7] mm: Don't split THP page when syscall is called Minchan Kim
2014-09-01 7:20 ` Minchan Kim
[not found] ` <1409556048-5045-1-git-send-email-minchan-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2014-09-11 23:10 ` [PATCH v16 0/7] MADV_FREE support Minchan Kim
2014-09-11 23:10 ` Minchan Kim
2014-09-11 23:10 ` Minchan Kim
2014-09-19 6:17 ` Minchan Kim
2014-09-19 6:17 ` Minchan Kim
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1409556048-5045-7-git-send-email-minchan@kernel.org \
--to=minchan@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=catalin.marinas@arm.com \
--cc=hannes@cmpxchg.org \
--cc=hughd@google.com \
--cc=je@fb.com \
--cc=kirill@shutemov.name \
--cc=kosaki.motohiro@jp.fujitsu.com \
--cc=linux-api@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux@arm.linux.org.uk \
--cc=mgorman@suse.de \
--cc=mtk.manpages@gmail.com \
--cc=riel@redhat.com \
--cc=steve.capper@linaro.org \
--cc=will.deacon@arm.com \
--cc=zhangyanfei@cn.fujitsu.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.