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ARM: move initialization of the high_memory variable earlier

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Some upcoming changes must know the VMALLOC_START value, which is based
on high_memory, before bootmem_init() is called.

The best location to set it is in sanity_check_meminfo() where the needed
computation is already done, and in the non MMU case it is trivial to do
now that the meminfo array is already sorted at that point.

Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
This commit is contained in:
Nicolas Pitre 2011-09-18 22:40:00 -04:00 committed by Nicolas Pitre
parent 27a3f0e91b
commit 55a8173cfe
3 changed files with 3 additions and 2 deletions
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2
arch/arm/mm/init.c
View File

@ -381,8 +381,6 @@ void __init bootmem_init(void)
*/
arm_bootmem_free(min, max_low, max_high);
high_memory = __va(((phys_addr_t)max_low << PAGE_SHIFT) - 1) + 1;
/*
* This doesn't seem to be used by the Linux memory manager any
* more, but is used by ll_rw_block. If we can get rid of it, we

1
arch/arm/mm/mmu.c
View File

@ -860,6 +860,7 @@ void __init sanity_check_meminfo(void)
}
#endif
meminfo.nr_banks = j;
high_memory = __va(lowmem_limit - 1) + 1;
memblock_set_current_limit(lowmem_limit);
}

2
arch/arm/mm/nommu.c
View File

@ -29,6 +29,8 @@ void __init arm_mm_memblock_reserve(void)
void __init sanity_check_meminfo(void)
{
phys_addr_t end = bank_phys_end(&meminfo.bank[meminfo.nr_banks - 1]);
high_memory = __va(end - 1) + 1;
}
/*