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From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
To: Piotr Kwapulinski <kwapulinski.piotr@gmail.com>
Cc: akpm@linux-foundation.org, mhocko@suse.com,
	mtk.manpages@gmail.com, cmetcalf@mellanox.com, arnd@arndb.de,
	viro@zeniv.linux.org.uk, mszeredi@suse.cz, dave@stgolabs.net,
	vbabka@suse.cz, mingo@kernel.org, dan.j.williams@intel.com,
	dave.hansen@linux.intel.com, koct9i@gmail.com,
	hannes@cmpxchg.org, jack@suse.cz, xiexiuqi@huawei.com,
	iamjoonsoo.kim@lge.com, oleg@redhat.com,
	gang.chen.5i5j@gmail.com, aarcange@redhat.com,
	aryabinin@virtuozzo.com, rientjes@google.com, denc716@gmail.com,
	toshi.kani@hpe.com, ldufour@linux.vnet.ibm.com,
	kuleshovmail@gmail.com, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org, linux-arch@vger.kernel.org
Subject: Re: [PATCH 0/3] mm/mmap.c: don't unmap the overlapping VMA(s)
Date: Sun, 3 Apr 2016 00:54:30 +0300	[thread overview]
Message-ID: <20160402215430.GA100607@black.fi.intel.com> (raw)
In-Reply-To: <1459624654-7955-1-git-send-email-kwapulinski.piotr@gmail.com>

On Sat, Apr 02, 2016 at 09:17:31PM +0200, Piotr Kwapulinski wrote:
> @@ -19,6 +19,7 @@
>  #define MAP_TYPE	0x0f		/* Mask for type of mapping */
>  #define MAP_FIXED	0x10		/* Interpret addr exactly */
>  #define MAP_ANONYMOUS	0x20		/* don't use a file */
> +#define MAP_DONTUNMAP	0x40		/* don't unmap overlapping VMA */

NAK.

arch/powerpc/include/uapi/asm/mman.h:#define MAP_NORESERVE   0x40            /* don't reserve swap pages */
arch/sparc/include/uapi/asm/mman.h:#define MAP_NORESERVE   0x40            /* don't reserve swap pages */
arch/x86/include/uapi/asm/mman.h:#define MAP_32BIT      0x40            /* only give out 32bit addresses */

-- 
 Kirill A. Shutemov

WARNING: multiple messages have this Message-ID (diff)
From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
To: Piotr Kwapulinski <kwapulinski.piotr@gmail.com>
Cc: akpm@linux-foundation.org, mhocko@suse.com,
	mtk.manpages@gmail.com, cmetcalf@mellanox.com, arnd@arndb.de,
	viro@zeniv.linux.org.uk, mszeredi@suse.cz, dave@stgolabs.net,
	vbabka@suse.cz, mingo@kernel.org, dan.j.williams@intel.com,
	dave.hansen@linux.intel.com, koct9i@gmail.com,
	hannes@cmpxchg.org, jack@suse.cz, xiexiuqi@huawei.com,
	iamjoonsoo.kim@lge.com, oleg@redhat.com,
	gang.chen.5i5j@gmail.com, aarcange@redhat.com,
	aryabinin@virtuozzo.com, rientjes@google.com, denc716@gmail.com,
	toshi.kani@hpe.com, ldufour@linux.vnet.ibm.com,
	kuleshovmail@gmail.com, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org, linux-arch@vger.kernel.org
Subject: Re: [PATCH 0/3] mm/mmap.c: don't unmap the overlapping VMA(s)
Date: Sun, 3 Apr 2016 00:54:30 +0300	[thread overview]
Message-ID: <20160402215430.GA100607@black.fi.intel.com> (raw)
In-Reply-To: <1459624654-7955-1-git-send-email-kwapulinski.piotr@gmail.com>

On Sat, Apr 02, 2016 at 09:17:31PM +0200, Piotr Kwapulinski wrote:
> @@ -19,6 +19,7 @@
>  #define MAP_TYPE	0x0f		/* Mask for type of mapping */
>  #define MAP_FIXED	0x10		/* Interpret addr exactly */
>  #define MAP_ANONYMOUS	0x20		/* don't use a file */
> +#define MAP_DONTUNMAP	0x40		/* don't unmap overlapping VMA */

NAK.

arch/powerpc/include/uapi/asm/mman.h:#define MAP_NORESERVE   0x40            /* don't reserve swap pages */
arch/sparc/include/uapi/asm/mman.h:#define MAP_NORESERVE   0x40            /* don't reserve swap pages */
arch/x86/include/uapi/asm/mman.h:#define MAP_32BIT      0x40            /* only give out 32bit addresses */

-- 
 Kirill A. Shutemov

--
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  parent reply	other threads:[~2016-04-02 21:54 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-02 19:17 [PATCH 0/3] mm/mmap.c: don't unmap the overlapping VMA(s) Piotr Kwapulinski
2016-04-02 19:17 ` Piotr Kwapulinski
2016-04-02 19:17 ` [PATCH 1/3] man/mmap.2: " Piotr Kwapulinski
2016-04-02 19:17   ` Piotr Kwapulinski
2016-04-02 19:17 ` [PATCH 2/3] mm/mremap.c: " Piotr Kwapulinski
2016-04-02 19:17   ` Piotr Kwapulinski
2016-04-02 19:17 ` [PATCH 3/3] man/mremap.2: " Piotr Kwapulinski
2016-04-02 19:17   ` Piotr Kwapulinski
2016-04-02 21:54 ` Kirill A. Shutemov [this message]
2016-04-02 21:54   ` [PATCH 0/3] mm/mmap.c: " Kirill A. Shutemov
2016-04-03  5:52 ` Konstantin Khlebnikov
2016-04-03  5:52   ` Konstantin Khlebnikov
2016-04-03  5:52   ` Konstantin Khlebnikov
2016-04-04  7:31 ` Michal Hocko
2016-04-04  7:31   ` Michal Hocko
2016-04-04 15:26   ` Vlastimil Babka
2016-04-04 15:26     ` Vlastimil Babka
2016-04-07 16:11     ` Piotr Kwapulinski
2016-04-07 16:11       ` Piotr Kwapulinski
2016-04-07 16:31       ` Michal Hocko
2016-04-07 16:31         ` Michal Hocko
2016-04-08 15:32         ` Piotr Kwapulinski
2016-04-08 15:32           ` Piotr Kwapulinski
2016-04-07 16:20     ` Piotr Kwapulinski
2016-04-07 16:20       ` Piotr Kwapulinski

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