Fwd: Fwd: [PATCH] arch: uapi: asm: mman.h: Let MADV_FREE have same value for all architectures
From: Chen Gang <hidden>
Date: 2014-12-09 14:51:02
Subsystem:
alpha port, generic include/asm header files, memory mapping - madvise (memory advice), mips, parisc architecture, tensilica xtensa port (xtensa), the rest · Maintainers:
Richard Henderson, Matt Turner, Magnus Lindholm, Arnd Bergmann, Andrew Morton, Liam R. Howlett, Lorenzo Stoakes, David Hildenbrand, Thomas Bogendoerfer, "James E.J. Bottomley", Helge Deller, Chris Zankel, Max Filippov, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2015-10-28 · Re: [PATCH] arch: uapi: asm: mman.h: Let MADV_FREE have same value for all architectures · Chen Gang <hidden>
- 2015-10-28 · Re: [PATCH] arch: uapi: asm: mman.h: Let MADV_FREE have same value for all architectures · Minchan Kim <minchan@kernel.org>
- 2014-12-10 · Re: [PATCH] arch: uapi: asm: mman.h: Let MADV_FREE have same value for all architectures · Chen Gang <hidden>
- 2014-12-09 · Fwd: [PATCH] arch: uapi: asm: mman.h: Let MADV_FREE have same value for all architectures · Chen Gang <hidden>
- 2014-12-05 · Re: [PATCH] arch: uapi: asm: mman.h: Let MADV_FREE have same value for all architectures · Chen Gang <hidden>
Hello dietlibc members: When I sent a Linux kernel patch for uapi, some members suggest me to Cc dietlibc members, so I forward the related mail to dietlibc mailing list. Please check, and welcome any ideas, suggestions, or completions. Thanks. -------- Forwarded Message -------- Subject: [PATCH] arch: uapi: asm: mman.h: Let MADV_FREE have same value for all architectures Date: Fri, 05 Dec 2014 06:58:29 +0800 From: Chen Gang <redacted> To: akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>, rth-hL46jP5Bxq7R7s880joybQ@public.gmane.org <redacted>, ink-biIs/Y0ymYJMZLIVYojuPNP0rXTJTi09@public.gmane.org <ink-biIs/Y0ymYJMZLIVYojuPNP0rXTJTi09@public.gmane.org>, mattst88-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org <redacted>, Ralf Baechle <ralf-6z/3iImG2C8G8FEW9MqTrA@public.gmane.org>, jejb-6jwH94ZQLHl74goWV3ctuw@public.gmane.org <redacted>, deller-Mmb7MZpHnFY@public.gmane.org <redacted>, chris-YvXeqwSYzG2sTnJN9+BGXg@public.gmane.org <redacted>, jcmvbkbc-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org <redacted>, Arnd Bergmann <redacted>, minchan-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org CC: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org <redacted>, linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org 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'. Signed-off-by: Chen Gang <redacted> --- arch/alpha/include/uapi/asm/mman.h | 2 +- arch/mips/include/uapi/asm/mman.h | 2 +- arch/parisc/include/uapi/asm/mman.h | 2 +- arch/xtensa/include/uapi/asm/mman.h | 2 +- include/uapi/asm-generic/mman-common.h | 2 +- 5 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/alpha/include/uapi/asm/mman.h b/arch/alpha/include/uapi/asm/mman.h
index 836fbd4..0b8a5de 100644
--- a/arch/alpha/include/uapi/asm/mman.h
+++ b/arch/alpha/include/uapi/asm/mman.h@@ -44,9 +44,9 @@ #define MADV_WILLNEED 3 /* will need these pages */ #define MADV_SPACEAVAIL 5 /* ensure resources are available */ #define MADV_DONTNEED 6 /* don't need these pages */ -#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 106e741..d247f54 100644
--- a/arch/mips/include/uapi/asm/mman.h
+++ b/arch/mips/include/uapi/asm/mman.h@@ -67,9 +67,9 @@ #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 */
diff --git a/arch/parisc/include/uapi/asm/mman.h b/arch/parisc/include/uapi/asm/mman.h
index 6cb8db7..700d83f 100644
--- a/arch/parisc/include/uapi/asm/mman.h
+++ b/arch/parisc/include/uapi/asm/mman.h@@ -40,9 +40,9 @@ #define MADV_SPACEAVAIL 5 /* insure that resources are reserved */ #define MADV_VPS_PURGE 6 /* Purge pages from VM page cache */ #define MADV_VPS_INHERIT 7 /* Inherit parents page size */ -#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 1b19f25..77eaca4 100644
--- a/arch/xtensa/include/uapi/asm/mman.h
+++ b/arch/xtensa/include/uapi/asm/mman.h@@ -80,9 +80,9 @@ #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 */
diff --git a/include/uapi/asm-generic/mman-common.h b/include/uapi/asm-generic/mman-common.h
index 7a94102..8695959 100644
--- a/include/uapi/asm-generic/mman-common.h
+++ b/include/uapi/asm-generic/mman-common.h@@ -34,9 +34,9 @@ #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 */
--
1.9.3