From fe1a6875fcaaac2041945008a9875d2c07be1d9b Mon Sep 17 00:00:00 2001 From: Sebastian Siewior Date: Tue, 15 Jul 2008 22:28:46 +0200 Subject: [PATCH] mm: fix build on non-mmu machines Commit 1ea0704e0d aka "mm: add a ptep_modify_prot transaction abstraction" caused: | CC init/main.o |In file included from include2/asm/pgtable.h:68, | from /home/bigeasy/git/linux-2.6-m68k/include/linux/mm.h:39, | from include2/asm/uaccess.h:8, | from /home/bigeasy/git/linux-2.6-m68k/include/linux/poll.h:13, | from /home/bigeasy/git/linux-2.6-m68k/include/linux/rtc.h:113, | from /home/bigeasy/git/linux-2.6-m68k/include/linux/efi.h:19, | from /home/bigeasy/git/linux-2.6-m68k/init/main.c:43: |/linux-2.6/include/asm-generic/pgtable.h: In function '__ptep_modify_prot_start': |/linux-2.6/include/asm-generic/pgtable.h:209: error: implicit declaration of function 'ptep_get_and_clear' |/linux-2.6/include/asm-generic/pgtable.h:209: error: incompatible types in return |/linux-2.6/include/asm-generic/pgtable.h: In function '__ptep_modify_prot_commit': |/linux-2.6/include/asm-generic/pgtable.h:220: error: implicit declaration of function 'set_pte_at' |make[2]: *** [init/main.o] Error 1 |make[1]: *** [init] Error 2 |make: *** [sub-make] Error 2 on my m68knommu box. Acked-by: Jeremy Fitzhardinge Cc: Linus Torvalds Cc: Hugh Dickins Cc: Ingo Molnar Signed-off-by: Sebastian Siewior Signed-off-by: Linus Torvalds --- include/asm-generic/pgtable.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index 4fce3db2cecc..ef87f889ef62 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -195,7 +195,6 @@ static inline int pmd_none_or_clear_bad(pmd_t *pmd) } return 0; } -#endif /* CONFIG_MMU */ static inline pte_t __ptep_modify_prot_start(struct mm_struct *mm, unsigned long addr, @@ -253,6 +252,7 @@ static inline void ptep_modify_prot_commit(struct mm_struct *mm, __ptep_modify_prot_commit(mm, addr, ptep, pte); } #endif /* __HAVE_ARCH_PTEP_MODIFY_PROT_TRANSACTION */ +#endif /* CONFIG_MMU */ /* * A facility to provide lazy MMU batching. This allows PTE updates and