* [PATCH v5 03/12] arch: uapi: asm: mman.h: Let MADV_FREE have same value for all architectures
[not found] <1448865583-2446-1-git-send-email-minchan@kernel.org>
@ 2015-11-30 6:39 ` Minchan Kim
2015-11-30 6:39 ` Minchan Kim
0 siblings, 1 reply; 2+ messages in thread
From: Minchan Kim @ 2015-11-30 6:39 UTC (permalink / raw)
To: Andrew Morton
Cc: linux-kernel, linux-mm, Michael Kerrisk, linux-api, Hugh Dickins,
Johannes Weiner, Rik van Riel, Mel Gorman, KOSAKI Motohiro,
Jason Evans, Daniel Micay, Kirill A. Shutemov, Shaohua Li,
Michal Hocko, yalin.wang2010, Andy Lutomirski, Chen Gang,
rth@twiddle.net, ink@jurassic.park.msu.ru, mattst88@gmail.com,
Ralf Baechle, jejb@parisc-linux.org, deller@gmx.de,
chris@zankel.net, jcmvb
From: Chen Gang <gang.chen.5i5j@gmail.com>
For uapi, need try to let all macros have same value, and MADV_FREE is
added into main branch recently, so need redefine MADV_FREE for it.
At present, '8' can be shared with all architectures, so redefine it to
'8'.
Cc: rth@twiddle.net <rth@twiddle.net>,
Cc: ink@jurassic.park.msu.ru <ink@jurassic.park.msu.ru>
Cc: mattst88@gmail.com <mattst88@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: jejb@parisc-linux.org <jejb@parisc-linux.org>
Cc: deller@gmx.de <deller@gmx.de>
Cc: chris@zankel.net <chris@zankel.net>
Cc: jcmvbkbc@gmail.com <jcmvbkbc@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arch@vger.kernel.org
Cc: linux-api@vger.kernel.org
Cc: sparclinux@vger.kernel.org
Cc: roland@kernel.org
Cc: darrick.wong@oracle.com
Cc: davem@davemloft.net
Acked-by: Hugh Dickins <hughd@google.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
---
arch/alpha/include/uapi/asm/mman.h | 1 +
arch/mips/include/uapi/asm/mman.h | 1 +
arch/parisc/include/uapi/asm/mman.h | 1 +
arch/xtensa/include/uapi/asm/mman.h | 1 +
include/uapi/asm-generic/mman-common.h | 2 +-
5 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/alpha/include/uapi/asm/mman.h b/arch/alpha/include/uapi/asm/mman.h
index d828beb5e69b..ab336c06153e 100644
--- a/arch/alpha/include/uapi/asm/mman.h
+++ b/arch/alpha/include/uapi/asm/mman.h
@@ -50,6 +50,7 @@
#define MADV_FREE 7 /* free pages only if memory pressure */
/* common/generic parameters */
+#define MADV_FREE 8 /* free pages only if memory pressure */
#define MADV_REMOVE 9 /* remove these pages & resources */
#define MADV_DONTFORK 10 /* don't inherit across fork */
#define MADV_DOFORK 11 /* do inherit across fork */
diff --git a/arch/mips/include/uapi/asm/mman.h b/arch/mips/include/uapi/asm/mman.h
index a6f8daff8e3b..b0ebe59f73fd 100644
--- a/arch/mips/include/uapi/asm/mman.h
+++ b/arch/mips/include/uapi/asm/mman.h
@@ -76,6 +76,7 @@
#define MADV_FREE 5 /* free pages only if memory pressure */
/* common parameters: try to keep these consistent across architectures */
+#define MADV_FREE 8 /* free pages only if memory pressure */
#define MADV_REMOVE 9 /* remove these pages & resources */
#define MADV_DONTFORK 10 /* don't inherit across fork */
#define MADV_DOFORK 11 /* do inherit across fork */
diff --git a/arch/parisc/include/uapi/asm/mman.h b/arch/parisc/include/uapi/asm/mman.h
index bda94f0d0b94..cf830d465f75 100644
--- a/arch/parisc/include/uapi/asm/mman.h
+++ b/arch/parisc/include/uapi/asm/mman.h
@@ -46,6 +46,7 @@
#define MADV_FREE 8 /* free pages only if memory pressure */
/* common/generic parameters */
+#define MADV_FREE 8 /* free pages only if memory pressure */
#define MADV_REMOVE 9 /* remove these pages & resources */
#define MADV_DONTFORK 10 /* don't inherit across fork */
#define MADV_DOFORK 11 /* do inherit across fork */
diff --git a/arch/xtensa/include/uapi/asm/mman.h b/arch/xtensa/include/uapi/asm/mman.h
index 83c5150b06f9..d030594ed22b 100644
--- a/arch/xtensa/include/uapi/asm/mman.h
+++ b/arch/xtensa/include/uapi/asm/mman.h
@@ -89,6 +89,7 @@
#define MADV_FREE 5 /* free pages only if memory pressure */
/* common parameters: try to keep these consistent across architectures */
+#define MADV_FREE 8 /* free pages only if memory pressure */
#define MADV_REMOVE 9 /* remove these pages & resources */
#define MADV_DONTFORK 10 /* don't inherit across fork */
#define MADV_DOFORK 11 /* do inherit across fork */
diff --git a/include/uapi/asm-generic/mman-common.h b/include/uapi/asm-generic/mman-common.h
index 0e821e3c3d45..58274382a616 100644
--- a/include/uapi/asm-generic/mman-common.h
+++ b/include/uapi/asm-generic/mman-common.h
@@ -39,9 +39,9 @@
#define MADV_SEQUENTIAL 2 /* expect sequential page references */
#define MADV_WILLNEED 3 /* will need these pages */
#define MADV_DONTNEED 4 /* don't need these pages */
-#define MADV_FREE 5 /* free pages only if memory pressure */
/* common parameters: try to keep these consistent across architectures */
+#define MADV_FREE 8 /* free pages only if memory pressure */
#define MADV_REMOVE 9 /* remove these pages & resources */
#define MADV_DONTFORK 10 /* don't inherit across fork */
#define MADV_DOFORK 11 /* do inherit across fork */
--
1.9.1
--
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH v5 03/12] arch: uapi: asm: mman.h: Let MADV_FREE have same value for all architectures
2015-11-30 6:39 ` [PATCH v5 03/12] arch: uapi: asm: mman.h: Let MADV_FREE have same value for all architectures Minchan Kim
@ 2015-11-30 6:39 ` Minchan Kim
0 siblings, 0 replies; 2+ messages in thread
From: Minchan Kim @ 2015-11-30 6:39 UTC (permalink / raw)
To: Andrew Morton
Cc: linux-kernel, linux-mm, Michael Kerrisk, linux-api, Hugh Dickins,
Johannes Weiner, Rik van Riel, Mel Gorman, KOSAKI Motohiro,
Jason Evans, Daniel Micay, Kirill A. Shutemov, Shaohua Li,
Michal Hocko, yalin.wang2010, Andy Lutomirski, Chen Gang,
rth@twiddle.net, ink@jurassic.park.msu.ru, mattst88@gmail.com,
Ralf Baechle, jejb@parisc-linux.org, deller@gmx.de,
chris@zankel.net, jcmvbkbc@gmail.com, Arnd Bergmann, linux-arch,
sparclinux, roland, darrick.wong, davem, Minchan Kim
From: Chen Gang <gang.chen.5i5j@gmail.com>
For uapi, need try to let all macros have same value, and MADV_FREE is
added into main branch recently, so need redefine MADV_FREE for it.
At present, '8' can be shared with all architectures, so redefine it to
'8'.
Cc: rth@twiddle.net <rth@twiddle.net>,
Cc: ink@jurassic.park.msu.ru <ink@jurassic.park.msu.ru>
Cc: mattst88@gmail.com <mattst88@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: jejb@parisc-linux.org <jejb@parisc-linux.org>
Cc: deller@gmx.de <deller@gmx.de>
Cc: chris@zankel.net <chris@zankel.net>
Cc: jcmvbkbc@gmail.com <jcmvbkbc@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arch@vger.kernel.org
Cc: linux-api@vger.kernel.org
Cc: sparclinux@vger.kernel.org
Cc: roland@kernel.org
Cc: darrick.wong@oracle.com
Cc: davem@davemloft.net
Acked-by: Hugh Dickins <hughd@google.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
---
arch/alpha/include/uapi/asm/mman.h | 1 +
arch/mips/include/uapi/asm/mman.h | 1 +
arch/parisc/include/uapi/asm/mman.h | 1 +
arch/xtensa/include/uapi/asm/mman.h | 1 +
include/uapi/asm-generic/mman-common.h | 2 +-
5 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/alpha/include/uapi/asm/mman.h b/arch/alpha/include/uapi/asm/mman.h
index d828beb5e69b..ab336c06153e 100644
--- a/arch/alpha/include/uapi/asm/mman.h
+++ b/arch/alpha/include/uapi/asm/mman.h
@@ -50,6 +50,7 @@
#define MADV_FREE 7 /* free pages only if memory pressure */
/* common/generic parameters */
+#define MADV_FREE 8 /* free pages only if memory pressure */
#define MADV_REMOVE 9 /* remove these pages & resources */
#define MADV_DONTFORK 10 /* don't inherit across fork */
#define MADV_DOFORK 11 /* do inherit across fork */
diff --git a/arch/mips/include/uapi/asm/mman.h b/arch/mips/include/uapi/asm/mman.h
index a6f8daff8e3b..b0ebe59f73fd 100644
--- a/arch/mips/include/uapi/asm/mman.h
+++ b/arch/mips/include/uapi/asm/mman.h
@@ -76,6 +76,7 @@
#define MADV_FREE 5 /* free pages only if memory pressure */
/* common parameters: try to keep these consistent across architectures */
+#define MADV_FREE 8 /* free pages only if memory pressure */
#define MADV_REMOVE 9 /* remove these pages & resources */
#define MADV_DONTFORK 10 /* don't inherit across fork */
#define MADV_DOFORK 11 /* do inherit across fork */
diff --git a/arch/parisc/include/uapi/asm/mman.h b/arch/parisc/include/uapi/asm/mman.h
index bda94f0d0b94..cf830d465f75 100644
--- a/arch/parisc/include/uapi/asm/mman.h
+++ b/arch/parisc/include/uapi/asm/mman.h
@@ -46,6 +46,7 @@
#define MADV_FREE 8 /* free pages only if memory pressure */
/* common/generic parameters */
+#define MADV_FREE 8 /* free pages only if memory pressure */
#define MADV_REMOVE 9 /* remove these pages & resources */
#define MADV_DONTFORK 10 /* don't inherit across fork */
#define MADV_DOFORK 11 /* do inherit across fork */
diff --git a/arch/xtensa/include/uapi/asm/mman.h b/arch/xtensa/include/uapi/asm/mman.h
index 83c5150b06f9..d030594ed22b 100644
--- a/arch/xtensa/include/uapi/asm/mman.h
+++ b/arch/xtensa/include/uapi/asm/mman.h
@@ -89,6 +89,7 @@
#define MADV_FREE 5 /* free pages only if memory pressure */
/* common parameters: try to keep these consistent across architectures */
+#define MADV_FREE 8 /* free pages only if memory pressure */
#define MADV_REMOVE 9 /* remove these pages & resources */
#define MADV_DONTFORK 10 /* don't inherit across fork */
#define MADV_DOFORK 11 /* do inherit across fork */
diff --git a/include/uapi/asm-generic/mman-common.h b/include/uapi/asm-generic/mman-common.h
index 0e821e3c3d45..58274382a616 100644
--- a/include/uapi/asm-generic/mman-common.h
+++ b/include/uapi/asm-generic/mman-common.h
@@ -39,9 +39,9 @@
#define MADV_SEQUENTIAL 2 /* expect sequential page references */
#define MADV_WILLNEED 3 /* will need these pages */
#define MADV_DONTNEED 4 /* don't need these pages */
-#define MADV_FREE 5 /* free pages only if memory pressure */
/* common parameters: try to keep these consistent across architectures */
+#define MADV_FREE 8 /* free pages only if memory pressure */
#define MADV_REMOVE 9 /* remove these pages & resources */
#define MADV_DONTFORK 10 /* don't inherit across fork */
#define MADV_DOFORK 11 /* do inherit across fork */
--
1.9.1
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2015-11-30 6:39 ` [PATCH v5 03/12] arch: uapi: asm: mman.h: Let MADV_FREE have same value for all architectures Minchan Kim
2015-11-30 6:39 ` Minchan Kim
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