[PATCH] Fix mempolicy.h build error
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: âstruct mm_structâ 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: âstruct mm_structâ declared inside parameter list mm/mempolicy.c:622: error: conflicting types for âdo_migrate_pagesâ include/linux/mempolicy.h:175: error: previous declaration of âdo_migrate_pagesâ was here mm/mempolicy.c:1661: error: conflicting types for âmpol_rebind_mmâ include/linux/mempolicy.h:150: error: previous declaration of âmpol_rebind_mmâ 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: NRalf Baechle <ralf@linux-mips.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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