RE: [PATCH 26/36] mm: rework mapcount accounting to enable 4k mapping of THPs

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From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Hugh Dickins <hughd@google.com>,
	Dave Hansen <dave.hansen@intel.com>, Mel Gorman <mgorman@suse.de>,
	Rik van Riel <riel@redhat.com>, Vlastimil Babka <vbabka@suse.cz>,
	Christoph Lameter <cl@gentwo.org>,
	Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
	Steve Capper <steve.capper@linaro.org>,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Michal Hocko <mhocko@suse.cz>,
	Jerome Marchand <jmarchan@redhat.com>,
	Sasha Levin <sasha.levin@oracle.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Subject: RE: [PATCH 26/36] mm: rework mapcount accounting to enable 4k mapping of THPs
Date: Sun, 12 Jul 2015 22:13:50 +0300 (EEST)	[thread overview]
Message-ID: <20150712191350.7E8D190@black.fi.intel.com> (raw)
In-Reply-To: <1436550130-112636-27-git-send-email-kirill.shutemov@linux.intel.com>

Kirill A. Shutemov wrote:
>  TESTPAGEFLAG_FALSE(TransHuge)
>  TESTPAGEFLAG_FALSE(TransCompound)
>  TESTPAGEFLAG_FALSE(TransTail)
> +TESTPAGEFLAG_FALSE(DoubleMap)
> +	TESTSETFLAG_FALSE(DoubleMap)
> +	CLEARPAGEFLAG_NOOP(DoubleMap)
>  #endif
>  
>  /*

Fixlet for !THP:


diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 757a4b162242..eec24e6391d3 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -633,7 +633,7 @@ TESTPAGEFLAG_FALSE(TransCompound)
 TESTPAGEFLAG_FALSE(TransTail)
 TESTPAGEFLAG_FALSE(DoubleMap)
 	TESTSETFLAG_FALSE(DoubleMap)
-	CLEARPAGEFLAG_NOOP(DoubleMap)
+	TESTCLEARFLAG_FALSE(DoubleMap)
 #endif
 
 /*

WARNING: multiple messages have this Message-ID (diff)

From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Hugh Dickins <hughd@google.com>,
	Dave Hansen <dave.hansen@intel.com>, Mel Gorman <mgorman@suse.de>,
	Rik van Riel <riel@redhat.com>, Vlastimil Babka <vbabka@suse.cz>,
	Christoph Lameter <cl@gentwo.org>,
	Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
	Steve Capper <steve.capper@linaro.org>,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Michal Hocko <mhocko@suse.cz>,
	Jerome Marchand <jmarchan@redhat.com>,
	Sasha Levin <sasha.levin@oracle.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: RE: [PATCH 26/36] mm: rework mapcount accounting to enable 4k mapping of THPs
Date: Sun, 12 Jul 2015 22:13:50 +0300 (EEST)	[thread overview]
Message-ID: <20150712191350.7E8D190@black.fi.intel.com> (raw)
In-Reply-To: <1436550130-112636-27-git-send-email-kirill.shutemov@linux.intel.com>

Kirill A. Shutemov wrote:
>  TESTPAGEFLAG_FALSE(TransHuge)
>  TESTPAGEFLAG_FALSE(TransCompound)
>  TESTPAGEFLAG_FALSE(TransTail)
> +TESTPAGEFLAG_FALSE(DoubleMap)
> +	TESTSETFLAG_FALSE(DoubleMap)
> +	CLEARPAGEFLAG_NOOP(DoubleMap)
>  #endif
>  
>  /*

Fixlet for !THP:


diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 757a4b162242..eec24e6391d3 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -633,7 +633,7 @@ TESTPAGEFLAG_FALSE(TransCompound)
 TESTPAGEFLAG_FALSE(TransTail)
 TESTPAGEFLAG_FALSE(DoubleMap)
 	TESTSETFLAG_FALSE(DoubleMap)
-	CLEARPAGEFLAG_NOOP(DoubleMap)
+	TESTCLEARFLAG_FALSE(DoubleMap)
 #endif
 
 /*

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next prev parent reply	other threads:[~2015-07-12 19:13 UTC|newest]

Thread overview: 97+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-10 17:41 [PATCH 00/36] THP refcounting redesign Kirill A. Shutemov
2015-07-10 17:41 ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 01/36] mm, proc: adjust PSS calculation Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 02/36] rmap: add argument to charge compound page Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 03/36] memcg: adjust to support new THP refcounting Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-14 13:58   ` Kirill A. Shutemov
2015-07-14 13:58     ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 04/36] mm, thp: adjust conditions when we can reuse the page on WP fault Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 05/36] mm: adjust FOLL_SPLIT for new refcounting Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 06/36] mm: handle PTE-mapped tail pages in gerneric fast gup implementaiton Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 07/36] thp, mlock: do not allow huge pages in mlocked area Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 08/36] khugepaged: ignore pmd tables with THP mapped with ptes Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 09/36] thp: rename split_huge_page_pmd() to split_huge_pmd() Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 10/36] mm, vmstats: new THP splitting event Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 11/36] mm: temporally mark THP broken Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 12/36] thp: drop all split_huge_page()-related code Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 13/36] mm: drop tail page refcounting Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-14 14:01   ` Kirill A. Shutemov
2015-07-14 14:01     ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 14/36] futex, thp: remove special case for THP in get_futex_key Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 15/36] ksm: prepare to new THP semantics Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 16/36] mm, thp: remove compound_lock Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-14 14:02   ` Kirill A. Shutemov
2015-07-14 14:02     ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 17/36] arm64, thp: remove infrastructure for handling splitting PMDs Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-15 15:23   ` Suzuki K. Poulose
2015-07-15 15:23     ` Suzuki K. Poulose
2015-07-10 17:41 ` [PATCH 18/36] arm, " Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 19/36] mips, " Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 20/36] powerpc, " Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-15 11:31   ` Aneesh Kumar K.V
2015-07-15 11:31     ` Aneesh Kumar K.V
2015-07-10 17:41 ` [PATCH 21/36] s390, " Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 22/36] sparc, " Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 23/36] tile, " Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 24/36] x86, " Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:41 ` [PATCH 25/36] mm, " Kirill A. Shutemov
2015-07-10 17:41   ` Kirill A. Shutemov
2015-07-10 17:42 ` [PATCH 26/36] mm: rework mapcount accounting to enable 4k mapping of THPs Kirill A. Shutemov
2015-07-10 17:42   ` Kirill A. Shutemov
2015-07-12 19:13   ` Kirill A. Shutemov [this message]
2015-07-12 19:13     ` Kirill A. Shutemov
2015-07-14 14:04   ` Kirill A. Shutemov
2015-07-14 14:04     ` Kirill A. Shutemov
2015-07-10 17:42 ` [PATCH 27/36] mm: differentiate page_mapped() from page_mapcount() for compound pages Kirill A. Shutemov
2015-07-10 17:42   ` Kirill A. Shutemov
2015-07-10 17:42 ` [PATCH 28/36] mm, numa: skip PTE-mapped THP on numa fault Kirill A. Shutemov
2015-07-10 17:42   ` Kirill A. Shutemov
2015-07-10 17:42 ` [PATCH 29/36] thp: implement split_huge_pmd() Kirill A. Shutemov
2015-07-10 17:42   ` Kirill A. Shutemov
2015-07-10 17:42 ` [PATCH 30/36] thp: add option to setup migration entiries during PMD split Kirill A. Shutemov
2015-07-10 17:42   ` Kirill A. Shutemov
2015-07-10 17:42 ` [PATCH 31/36] thp, mm: split_huge_page(): caller need to lock page Kirill A. Shutemov
2015-07-10 17:42   ` Kirill A. Shutemov
2015-07-10 17:42 ` [PATCH 32/36] thp: reintroduce split_huge_page() Kirill A. Shutemov
2015-07-10 17:42   ` Kirill A. Shutemov
2015-07-14 14:04   ` Kirill A. Shutemov
2015-07-14 14:04     ` Kirill A. Shutemov
2015-07-10 17:42 ` [PATCH 33/36] migrate_pages: try to split pages on qeueuing Kirill A. Shutemov
2015-07-10 17:42   ` Kirill A. Shutemov
2015-07-10 17:42 ` [PATCH 34/36] thp: introduce deferred_split_huge_page() Kirill A. Shutemov
2015-07-10 17:42   ` Kirill A. Shutemov
2015-07-10 17:42 ` [PATCH 35/36] mm: re-enable THP Kirill A. Shutemov
2015-07-10 17:42   ` Kirill A. Shutemov
2015-07-10 17:42 ` [PATCH 36/36] thp: update documentation Kirill A. Shutemov
2015-07-10 17:42   ` Kirill A. Shutemov
2015-07-14 14:05   ` Kirill A. Shutemov
2015-07-14 14:05     ` Kirill A. Shutemov
2015-07-14  9:06 ` [PATCH 00/36] THP refcounting redesign Jerome Marchand
2015-07-14 15:29   ` Kirill A. Shutemov
2015-07-14 15:29     ` Kirill A. Shutemov
2015-07-15 11:30 ` Aneesh Kumar K.V
2015-07-15 11:30   ` Aneesh Kumar K.V

find likely ancestor, descendant, or conflicting patches for this message:
dfblob:757a4b16224 dfblob:757a4b16224 dfblob:eec24e6391d
dfblob:eec24e6391d
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