diff options
Diffstat (limited to 'arch/arm/mm/init.c')
| -rw-r--r-- | arch/arm/mm/init.c | 50 | 
1 files changed, 17 insertions, 33 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index ad722f1208a..9a5cdc01fcd 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -99,6 +99,9 @@ void show_mem(unsigned int filter)  	printk("Mem-info:\n");  	show_free_areas(filter); +	if (filter & SHOW_MEM_FILTER_PAGE_COUNT) +		return; +  	for_each_bank (i, mi) {  		struct membank *bank = &mi->bank[i];  		unsigned int pfn1, pfn2; @@ -424,24 +427,6 @@ void __init bootmem_init(void)  	max_pfn = max_high - PHYS_PFN_OFFSET;  } -static inline int free_area(unsigned long pfn, unsigned long end, char *s) -{ -	unsigned int pages = 0, size = (end - pfn) << (PAGE_SHIFT - 10); - -	for (; pfn < end; pfn++) { -		struct page *page = pfn_to_page(pfn); -		ClearPageReserved(page); -		init_page_count(page); -		__free_page(page); -		pages++; -	} - -	if (size && s) -		printk(KERN_INFO "Freeing %s memory: %dK\n", s, size); - -	return pages; -} -  /*   * Poison init memory with an undefined instruction (ARM) or a branch to an   * undefined instruction (Thumb). @@ -534,6 +519,14 @@ static void __init free_unused_memmap(struct meminfo *mi)  #endif  } +#ifdef CONFIG_HIGHMEM +static inline void free_area_high(unsigned long pfn, unsigned long end) +{ +	for (; pfn < end; pfn++) +		free_highmem_page(pfn_to_page(pfn)); +} +#endif +  static void __init free_highpages(void)  {  #ifdef CONFIG_HIGHMEM @@ -569,8 +562,7 @@ static void __init free_highpages(void)  			if (res_end > end)  				res_end = end;  			if (res_start != start) -				totalhigh_pages += free_area(start, res_start, -							     NULL); +				free_area_high(start, res_start);  			start = res_end;  			if (start == end)  				break; @@ -578,9 +570,8 @@ static void __init free_highpages(void)  		/* And now free anything which remains */  		if (start < end) -			totalhigh_pages += free_area(start, end, NULL); +			free_area_high(start, end);  	} -	totalram_pages += totalhigh_pages;  #endif  } @@ -609,8 +600,7 @@ void __init mem_init(void)  #ifdef CONFIG_SA1111  	/* now that our DMA memory is actually so designated, we can free it */ -	totalram_pages += free_area(PHYS_PFN_OFFSET, -				    __phys_to_pfn(__pa(swapper_pg_dir)), NULL); +	free_reserved_area(__va(PHYS_PFN_OFFSET), swapper_pg_dir, 0, NULL);  #endif  	free_highpages(); @@ -738,16 +728,12 @@ void free_initmem(void)  	extern char __tcm_start, __tcm_end;  	poison_init_mem(&__tcm_start, &__tcm_end - &__tcm_start); -	totalram_pages += free_area(__phys_to_pfn(__pa(&__tcm_start)), -				    __phys_to_pfn(__pa(&__tcm_end)), -				    "TCM link"); +	free_reserved_area(&__tcm_start, &__tcm_end, 0, "TCM link");  #endif  	poison_init_mem(__init_begin, __init_end - __init_begin);  	if (!machine_is_integrator() && !machine_is_cintegrator()) -		totalram_pages += free_area(__phys_to_pfn(__pa(__init_begin)), -					    __phys_to_pfn(__pa(__init_end)), -					    "init"); +		free_initmem_default(0);  }  #ifdef CONFIG_BLK_DEV_INITRD @@ -758,9 +744,7 @@ void free_initrd_mem(unsigned long start, unsigned long end)  {  	if (!keep_initrd) {  		poison_init_mem((void *)start, PAGE_ALIGN(end) - start); -		totalram_pages += free_area(__phys_to_pfn(__pa(start)), -					    __phys_to_pfn(__pa(end)), -					    "initrd"); +		free_reserved_area(start, end, 0, "initrd");  	}  }  |