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ARM: move freeing of highmem pages out of mem_init()

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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2010-10-27 19:37:06 +01:00
parent 47ea3c1549
commit d0e775afb9
1 changed files with 17 additions and 10 deletions
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27
arch/arm/mm/init.c
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@ -436,6 +436,22 @@ static void __init free_unused_memmap(struct meminfo *mi)
} }
} }
static void __init free_highpages(void)
{
#ifdef CONFIG_HIGHMEM
int i;
/* set highmem page free */
for_each_bank (i, &meminfo) {
unsigned long start = bank_pfn_start(&meminfo.bank[i]);
unsigned long end = bank_pfn_end(&meminfo.bank[i]);
if (start >= max_low_pfn + PHYS_PFN_OFFSET)
totalhigh_pages += free_area(start, end, NULL);
}
totalram_pages += totalhigh_pages;
#endif
}
/* /*
* mem_init() marks the free areas in the mem_map and tells us how much * mem_init() marks the free areas in the mem_map and tells us how much
* memory is free. This is done after various parts of the system have * memory is free. This is done after various parts of the system have
@ -465,16 +481,7 @@ void __init mem_init(void)
__phys_to_pfn(__pa(swapper_pg_dir)), NULL); __phys_to_pfn(__pa(swapper_pg_dir)), NULL);
#endif #endif
#ifdef CONFIG_HIGHMEM free_highpages();
/* set highmem page free */
for_each_bank (i, &meminfo) {
unsigned long start = bank_pfn_start(&meminfo.bank[i]);
unsigned long end = bank_pfn_end(&meminfo.bank[i]);
if (start >= max_low_pfn + PHYS_PFN_OFFSET)
totalhigh_pages += free_area(start, end, NULL);
}
totalram_pages += totalhigh_pages;
#endif
reserved_pages = free_pages = 0; reserved_pages = free_pages = 0;