linux-kernel - Re: [patch 04/37] fix compilation error on IA64

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Date:	Thu, 07 Sep 2006 12:45:43 +0400
From:	Kirill Korotaev <dev@...ru>
To:	Greg KH <gregkh@...e.de>
CC:	linux-kernel@...r.kernel.org, stable@...nel.org,
	Justin Forbes <jmforbes@...uxtx.org>,
	Zwane Mwaikambo <zwane@....linux.org.uk>,
	"Theodore Ts'o" <tytso@....edu>,
	Randy Dunlap <rdunlap@...otime.net>,
	Dave Jones <davej@...hat.com>,
	Chuck Wolber <chuckw@...ntumlinux.com>,
	Chris Wedgwood <reviews@...cw.f00f.org>, torvalds@...l.org,
	akpm@...l.org, alan@...rguk.ukuu.org.uk, dev@...nvz.org,
	linux-ia64@...r.kernel.org,
	Fernando Vazquez <fernando@...ellilink.co.jp>
Subject: Re: [patch 04/37] fix compilation error on IA64

Greg,

The patch from Fernando Vazquez is incomplete.
The first hunk is from Fernando's patch which fixes IA64 compilation.
But there are some archs which do not include asm-generic/mman.h
and thus will have arch_mmap_check undefined.

Signed-Off-By: Kirill Korotaev <dev@...ru>

--- a/include/asm-ia64/mman.h
+++ b/include/asm-ia64/mman.h
@@ -9,10 +9,12 @@
  */
 
 #ifdef __KERNEL__
+#ifndef __ASSEMBLY__
 #define arch_mmap_check	ia64_map_check_rgn
 int ia64_map_check_rgn(unsigned long addr, unsigned long len,
 		unsigned long flags);
 #endif
+#endif
 
 #include <asm-generic/mman.h>
 
diff --git a/include/asm-alpha/mman.h b/include/asm-alpha/mman.h
index 5f24c75..51cf354 100644
--- a/include/asm-alpha/mman.h
+++ b/include/asm-alpha/mman.h
@@ -52,4 +52,10 @@ #define MADV_DOFORK	11		/* do inherit ac
 #define MAP_ANON	MAP_ANONYMOUS
 #define MAP_FILE	0
 
+#ifdef __KERNEL__
+#ifndef arch_mmap_check
+#define arch_mmap_check(addr, len, flags)	(0)
+#endif
+#endif
+
 #endif /* __ALPHA_MMAN_H__ */
diff --git a/include/asm-mips/mman.h b/include/asm-mips/mman.h
index 046cf68..f19e858 100644
--- a/include/asm-mips/mman.h
+++ b/include/asm-mips/mman.h
@@ -75,4 +75,10 @@ #define MADV_DOFORK	11		/* do inherit ac
 #define MAP_ANON	MAP_ANONYMOUS
 #define MAP_FILE	0
 
+#ifdef __KERNEL__
+#ifndef arch_mmap_check
+#define arch_mmap_check(addr, len, flags)	(0)
+#endif
+#endif
+
 #endif /* _ASM_MMAN_H */
diff --git a/include/asm-parisc/mman.h b/include/asm-parisc/mman.h
index 0ef15ee..9829b31 100644
--- a/include/asm-parisc/mman.h
+++ b/include/asm-parisc/mman.h
@@ -59,4 +59,10 @@ #define MAP_ANON	MAP_ANONYMOUS
 #define MAP_FILE	0
 #define MAP_VARIABLE	0
 
+#ifdef __KERNEL__
+#ifndef arch_mmap_check
+#define arch_mmap_check(addr, len, flags)	(0)
+#endif
+#endif
+
 #endif /* __PARISC_MMAN_H__ */


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