From d0e775afb94d9b61ba6c63299169ef7a87b68189 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 27 Oct 2010 19:37:06 +0100 Subject: [PATCH] ARM: move freeing of highmem pages out of mem_init() Signed-off-by: Russell King --- arch/arm/mm/init.c | 27 +++++++++++++++++---------- 1 file changed, 17 insertions(+), 10 deletions(-) diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 58b90ad4949f..1b4e0abf113a 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -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 * 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); #endif -#ifdef CONFIG_HIGHMEM - /* 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 + free_highpages(); reserved_pages = free_pages = 0;