diff options
Diffstat (limited to 'arch/m68k/mm/motorola.c')
| -rw-r--r-- | arch/m68k/mm/motorola.c | 36 |
1 files changed, 12 insertions, 24 deletions
diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c index 30d34f28502..b958916e5ea 100644 --- a/arch/m68k/mm/motorola.c +++ b/arch/m68k/mm/motorola.c @@ -18,18 +18,19 @@ #include <linux/types.h> #include <linux/init.h> #include <linux/bootmem.h> +#include <linux/gfp.h> #include <asm/setup.h> #include <asm/uaccess.h> #include <asm/page.h> #include <asm/pgalloc.h> -#include <asm/system.h> #include <asm/machdep.h> #include <asm/io.h> #include <asm/dma.h> #ifdef CONFIG_ATARI #include <asm/atari_stram.h> #endif +#include <asm/sections.h> #undef DEBUG @@ -44,7 +45,7 @@ EXPORT_SYMBOL(mm_cachebits); #endif /* size of memory already mapped in head.S */ -#define INIT_MAPPED_SIZE (4UL<<20) +extern __initdata unsigned long m68k_init_mapped_size; extern unsigned long availmem; @@ -232,7 +233,7 @@ void __init paging_init(void) printk("Fix your bootloader or use a memfile to make use of this area!\n"); m68k_num_memory--; memmove(m68k_memory + i, m68k_memory + i + 1, - (m68k_num_memory - i) * sizeof(struct mem_info)); + (m68k_num_memory - i) * sizeof(struct m68k_mem_info)); continue; } addr = m68k_memory[i].addr + m68k_memory[i].size; @@ -270,10 +271,12 @@ void __init paging_init(void) */ addr = m68k_memory[0].addr; size = m68k_memory[0].size; - free_bootmem_node(NODE_DATA(0), availmem, min(INIT_MAPPED_SIZE, size) - (availmem - addr)); + free_bootmem_node(NODE_DATA(0), availmem, + min(m68k_init_mapped_size, size) - (availmem - addr)); map_node(0); - if (size > INIT_MAPPED_SIZE) - free_bootmem_node(NODE_DATA(0), addr + INIT_MAPPED_SIZE, size - INIT_MAPPED_SIZE); + if (size > m68k_init_mapped_size) + free_bootmem_node(NODE_DATA(0), addr + m68k_init_mapped_size, + size - m68k_init_mapped_size); for (i = 1; i < m68k_num_memory; i++) map_node(i); @@ -285,7 +288,6 @@ void __init paging_init(void) * to a couple of allocated pages */ empty_zero_page = alloc_bootmem_pages(PAGE_SIZE); - memset(empty_zero_page, 0, PAGE_SIZE); /* * Set up SFC/DFC registers @@ -297,24 +299,10 @@ void __init paging_init(void) #endif for (i = 0; i < m68k_num_memory; i++) { zones_size[ZONE_DMA] = m68k_memory[i].size >> PAGE_SHIFT; - free_area_init_node(i, pg_data_map + i, zones_size, + free_area_init_node(i, zones_size, m68k_memory[i].addr >> PAGE_SHIFT, NULL); + if (node_present_pages(i)) + node_set_state(i, N_NORMAL_MEMORY); } } -extern char __init_begin, __init_end; - -void free_initmem(void) -{ - unsigned long addr; - - addr = (unsigned long)&__init_begin; - for (; addr < (unsigned long)&__init_end; addr += PAGE_SIZE) { - virt_to_page(addr)->flags &= ~(1 << PG_reserved); - init_page_count(virt_to_page(addr)); - free_page(addr); - totalram_pages++; - } -} - - |