Re: [PATCH] mm: fix ptep_modify_* for no-MMU systems

From: Adrian Bunk
Date: Wed Jul 16 2008 - 08:52:50 EST

On Tue, Jul 15, 2008 at 01:39:07PM -0700, Jeremy Fitzhardinge wrote:
> Fixes build problem: the functions added to asm-generic/pgtable.h are
> only used by
> mm/mprotect.c (a MMU-only file), but they were not added inside of the
> CONFIG_MMU ifdef block. since the functions rely on things inside of
> CONFIG_MMU (the lines just above in pgtable.h), we get build failure
> on all no-mmu setups:
> CC init/main.o
> In file included from include/asm/pgtable.h:94,
> from include/linux/mm.h:39,
> from include/asm/dma.h:39,
> from include/linux/bootmem.h:8,
> from init/main.c:27:
> include/asm-generic/pgtable.h: In function '__ptep_modify_prot_start':
> include/asm-generic/pgtable.h:210: error: implicit declaration of
> function 'ptep_get_and_clear'
> include/asm-generic/pgtable.h:210: error: incompatible types in return
> make[1]: *** [init/main.o] Error 1
> make: *** [init/main.o] Error 2

Thanks, seems to work fine.



"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed

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