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[MIPS] Sparsemem fixes 

1. MIPS should select SPARSEMEM_STATIC since allocating bootmem in
   memory_present() will corrupt bootmap area.
2. pfn_valid() for SPARSEMEM is defined in linux/mmzone.h

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Atsushi Nemoto 2006-07-05 01:22:44 +09:00 committed by Ralf Baechle
parent cfbae5d331
commit 7de58fab9c
2 changed files with 5 additions and 8 deletions
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1
arch/mips/Kconfig
View File

@ -1694,6 +1694,7 @@ config ARCH_SPARSEMEM_ENABLE
config ARCH_SPARSEMEM_ENABLE
bool
select SPARSEMEM_STATIC
config NUMA
bool "NUMA Support"

12
include/asm-mips/page.h
View File

@ -138,16 +138,14 @@ typedef struct { unsigned long pgprot; } pgprot_t;
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
#ifndef CONFIG_SPARSEMEM
#ifndef CONFIG_NEED_MULTIPLE_NODES
#define pfn_valid(pfn) ((pfn) < max_mapnr)
#endif
#endif
#ifdef CONFIG_FLATMEM
#define pfn_valid(pfn) ((pfn) < max_mapnr)
#elif defined(CONFIG_SPARSEMEM)
/* pfn_valid is defined in linux/mmzone.h */
#elif defined(CONFIG_NEED_MULTIPLE_NODES)
#define pfn_valid(pfn) \
@ -159,8 +157,6 @@ typedef struct { unsigned long pgprot; } pgprot_t;
: 0); \
})
#else
#error Provide a definition of pfn_valid
#endif
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)