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From: Andrei Vagin <avagin@openvz.org>
To: linux-kernel@vger.kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-mm@kvack.org, Andrei Vagin <avagin@openvz.org>,
	Michal Hocko <mhocko@kernel.org>
Subject: [PATCH] mm: don't use the same value for MAP_FIXED_SAFE and MAP_SYNC
Date: Mon, 18 Dec 2017 10:49:16 -0800
Message-ID: <20171218184916.24445-1-avagin@openvz.org> (raw)
In-Reply-To: <20171218091302.GL16951@dhcp22.suse.cz>

Cc: Michal Hocko <mhocko@kernel.org>
Fixes: ("fs, elf: drop MAP_FIXED usage from elf_map")
Signed-off-by: Andrei Vagin <avagin@openvz.org>
---
 include/uapi/asm-generic/mman-common.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/uapi/asm-generic/mman-common.h b/include/uapi/asm-generic/mman-common.h
index b37502cbbef7..2db3fa287274 100644
--- a/include/uapi/asm-generic/mman-common.h
+++ b/include/uapi/asm-generic/mman-common.h
@@ -26,7 +26,9 @@
 #else
 # define MAP_UNINITIALIZED 0x0		/* Don't support this flag */
 #endif
-#define MAP_FIXED_SAFE	0x80000		/* MAP_FIXED which doesn't unmap underlying mapping */
+
+/* 0x0100 - 0x80000 flags are defined in asm-generic/mman.h */
+#define MAP_FIXED_SAFE	0x100000		/* MAP_FIXED which doesn't unmap underlying mapping */
 
 /*
  * Flags for mlock
-- 
2.13.6

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  parent reply index

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-13  9:25 [PATCH v2 0/2] mm: introduce MAP_FIXED_SAFE Michal Hocko
2017-12-13  9:25 ` [PATCH 1/2] " Michal Hocko
2017-12-13 12:50   ` Matthew Wilcox
2017-12-13 13:01     ` Michal Hocko
2017-12-13  9:25 ` [PATCH 2/2] fs, elf: drop MAP_FIXED usage from elf_map Michal Hocko
2017-12-16  0:49   ` [2/2] " Andrei Vagin
2017-12-18  9:13     ` Michal Hocko
2017-12-18 18:12       ` Andrei Vagin
2017-12-18 18:49       ` Andrei Vagin [this message]
2017-12-18 20:41         ` [PATCH] mm: don't use the same value for MAP_FIXED_SAFE and MAP_SYNC Michal Hocko
2018-04-18 10:51   ` [PATCH 2/2] fs, elf: drop MAP_FIXED usage from elf_map Tetsuo Handa
2018-04-18 11:33     ` Michal Hocko
2018-04-18 11:43       ` Tetsuo Handa
2018-04-18 11:55         ` Michal Hocko
2018-04-18 14:07           ` [PATCH v2] fs, elf: don't complain MAP_FIXED_NOREPLACE unless -EEXIST error Tetsuo Handa
2018-04-19  5:57             ` Michal Hocko
2017-12-13  9:31 ` [PATCH 1/2] mmap.2: document new MAP_FIXED_SAFE flag Michal Hocko
2017-12-13  9:31   ` [PATCH 2/2] mmap.2: MAP_FIXED updated documentation Michal Hocko
2017-12-13 12:55     ` Pavel Machek
2017-12-13 13:03       ` Cyril Hrubis
2017-12-13 13:04       ` Michal Hocko
2017-12-13 13:09         ` Pavel Machek
2017-12-13 13:16           ` Michal Hocko
2017-12-13 13:21             ` Pavel Machek
2017-12-13 13:35               ` Michal Hocko
2017-12-13 14:40               ` Cyril Hrubis
2017-12-13 23:19                 ` Kees Cook
2017-12-14  7:07                   ` Michal Hocko
2017-12-18 19:12                   ` Michael Kerrisk (man-pages)
2017-12-18 20:19                     ` Kees Cook
2017-12-18 20:33                       ` Matthew Wilcox
2017-12-21 12:38                       ` Michael Ellerman
2017-12-21 14:59                         ` known bad patch in -mm tree was " Pavel Machek
2017-12-21 15:08                           ` Michal Hocko
2017-12-21 22:24                         ` Andrew Morton
2017-12-22  0:06                           ` Michael Ellerman
2017-12-14  2:52     ` Jann Horn
2017-12-14  5:28       ` John Hubbard
2017-12-14 23:06       ` John Hubbard
2017-12-14 23:10         ` Jann Horn
2017-12-13 12:25 ` [PATCH v2 0/2] mm: introduce MAP_FIXED_SAFE Matthew Wilcox
2017-12-13 12:34   ` Michal Hocko
2017-12-13 17:13 ` Kees Cook
2017-12-15  9:02   ` Michael Ellerman
2017-12-14  0:32 ` Andrew Morton
2017-12-14  1:35   ` David Goldblatt
2017-12-14  1:42     ` David Goldblatt
2017-12-14 12:44   ` Edward Napierala
2017-12-14 13:15     ` Michal Hocko
2017-12-14 14:54       ` Edward Napierala
2017-12-19 12:40         ` David Laight
2017-12-19 12:46           ` Michal Hocko

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