linux-kernel - HugeTLB vs. SH3 cpu

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Date:	Wed, 2 Apr 2008 01:58:09 +0300
From:	Adrian Bunk <bunk@...nel.org>
To:	wli@...omorphy.com, lethal@...ux-sh.org
Cc:	linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: HugeTLB vs. SH3 cpu

fs/Kconfig says:

config HUGETLBFS
        bool "HugeTLB file system support"
        depends on X86 || IA64 || PPC64 || SPARC64 || (SUPERH && MMU) || BROKEN

arch/sh/mm/Kconfig says:

choice
        prompt "HugeTLB page size"
        depends on HUGETLB_PAGE && (CPU_SH4 || CPU_SH5) && MMU

The compiler says with CONFIG_CPU_SH3:

<--  snip  -->

...
  CC      arch/sh/mm/hugetlbpage.o
In file included from /home/bunk/linux/kernel-2.6/git/linux-2.6/arch/sh/mm/hugetlbpage.c:14:/home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/hugetlb.h: In function 'prepare_hugepage_range':
/home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/hugetlb.h:73: error: 'HPAGE_SHIFT' undeclared (first use in this function)
/home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/hugetlb.h:73: error: (Each undeclared identifier is reported only once
/home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/hugetlb.h:73: error: for each function it appears in.)
make[2]: *** [arch/sh/mm/hugetlbpage.o] Error 1

<--  snip  -->

cu
Adrian

-- 

       "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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