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[PATCH] Fix mempolicy.h build error

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From: Ralf Baechle <ralf@linux-mips.org>

<linux/mempolicy.h> uses struct mm_struct and relies on a definition or
declaration somehow magically being dragged in which may result in a
build:

[...]
  CC      mm/mempolicy.o
In file included from mm/mempolicy.c:69:
include/linux/mempolicy.h:150: warning: ‘struct mm_struct’ declared inside parameter list
include/linux/mempolicy.h:150: warning: its scope is only this definition or declaration, which is probably not what you want
include/linux/mempolicy.h:175: warning: ‘struct mm_struct’ declared inside parameter list
mm/mempolicy.c:622: error: conflicting types for ‘do_migrate_pages’
include/linux/mempolicy.h:175: error: previous declaration of ‘do_migrate_pages’ was here
mm/mempolicy.c:1661: error: conflicting types for ‘mpol_rebind_mm’
include/linux/mempolicy.h:150: error: previous declaration of ‘mpol_rebind_mm’ was here
make[1]: *** [mm/mempolicy.o] Error 1
make: *** [mm] Error 2
[ralf@denk linux-ip35]$

Including <linux/sched.h> is a step into direction of include hell so
fixed by adding a forward declaration of struct mm_struct instead.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ralf Baechle 2006-06-08 00:43:41 -07:00 committed by Linus Torvalds
parent fd0a0ac1c5
commit 45b35a5ced
1 changed files with 1 additions and 0 deletions
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include/linux/mempolicy.h
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@ -36,6 +36,7 @@
#include <linux/nodemask.h> #include <linux/nodemask.h>
struct vm_area_struct; struct vm_area_struct;
struct mm_struct;
#ifdef CONFIG_NUMA #ifdef CONFIG_NUMA