diff options
Diffstat (limited to 'arch/mips/mm/init.c')
| -rw-r--r-- | arch/mips/mm/init.c | 38 |
1 files changed, 11 insertions, 27 deletions
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 67929251286..9b973e0af9c 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -29,6 +29,7 @@ #include <linux/pfn.h> #include <linux/hardirq.h> #include <linux/gfp.h> +#include <linux/kcore.h> #include <asm/asm-offsets.h> #include <asm/bootinfo.h> @@ -77,10 +78,9 @@ EXPORT_SYMBOL_GPL(empty_zero_page); /* * Not static inline because used by IP27 special magic initialization code */ -unsigned long setup_zero_pages(void) +void setup_zero_pages(void) { - unsigned int order; - unsigned long size; + unsigned int order, i; struct page *page; if (cpu_has_vce) @@ -94,15 +94,10 @@ unsigned long setup_zero_pages(void) page = virt_to_page((void *)empty_zero_page); split_page(page, order); - while (page < virt_to_page((void *)(empty_zero_page + (PAGE_SIZE << order)))) { - SetPageReserved(page); - page++; - } - - size = PAGE_SIZE << order; - zero_page_mask = (size - 1) & PAGE_MASK; + for (i = 0; i < (1 << order); i++, page++) + mark_page_reserved(page); - return 1UL << order; + zero_page_mask = ((PAGE_SIZE << order) - 1) & PAGE_MASK; } #ifdef CONFIG_MIPS_MT_SMTC @@ -380,7 +375,7 @@ void __init mem_init(void) high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT); totalram_pages += free_all_bootmem(); - totalram_pages -= setup_zero_pages(); /* Setup zeroed pages. */ + setup_zero_pages(); /* Setup zeroed pages. */ reservedpages = ram = 0; for (tmp = 0; tmp < max_low_pfn; tmp++) @@ -399,12 +394,8 @@ void __init mem_init(void) SetPageReserved(page); continue; } - ClearPageReserved(page); - init_page_count(page); - __free_page(page); - totalhigh_pages++; + free_highmem_page(page); } - totalram_pages += totalhigh_pages; num_physpages += totalhigh_pages; #endif @@ -440,11 +431,8 @@ void free_init_pages(const char *what, unsigned long begin, unsigned long end) struct page *page = pfn_to_page(pfn); void *addr = phys_to_virt(PFN_PHYS(pfn)); - ClearPageReserved(page); - init_page_count(page); memset(addr, POISON_FREE_INITMEM, PAGE_SIZE); - __free_page(page); - totalram_pages++; + free_reserved_page(page); } printk(KERN_INFO "Freeing %s: %ldk freed\n", what, (end - begin) >> 10); } @@ -452,18 +440,14 @@ void free_init_pages(const char *what, unsigned long begin, unsigned long end) #ifdef CONFIG_BLK_DEV_INITRD void free_initrd_mem(unsigned long start, unsigned long end) { - free_init_pages("initrd memory", - virt_to_phys((void *)start), - virt_to_phys((void *)end)); + free_reserved_area(start, end, POISON_FREE_INITMEM, "initrd"); } #endif void __init_refok free_initmem(void) { prom_free_prom_memory(); - free_init_pages("unused kernel memory", - __pa_symbol(&__init_begin), - __pa_symbol(&__init_end)); + free_initmem_default(POISON_FREE_INITMEM); } #ifndef CONFIG_MIPS_PGD_C0_CONTEXT |