diff options
Diffstat (limited to 'arch/sparc64/mm/init.c')
-rw-r--r-- | arch/sparc64/mm/init.c | 100 |
1 files changed, 18 insertions, 82 deletions
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index 3e6c4ec..90e644a 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -722,57 +722,12 @@ out: static unsigned long __init choose_bootmap_pfn(unsigned long start_pfn, unsigned long end_pfn) { - unsigned long avoid_start, avoid_end, bootmap_size; - int i; + unsigned long bootmap_size; bootmap_size = bootmem_bootmap_pages(end_pfn - start_pfn); bootmap_size <<= PAGE_SHIFT; - avoid_start = avoid_end = 0; -#ifdef CONFIG_BLK_DEV_INITRD - avoid_start = initrd_start; - avoid_end = PAGE_ALIGN(initrd_end); -#endif - - for (i = 0; i < pavail_ents; i++) { - unsigned long start, end; - - start = pavail[i].phys_addr; - end = start + pavail[i].reg_size; - - while (start < end) { - if (start >= kern_base && - start < PAGE_ALIGN(kern_base + kern_size)) { - start = PAGE_ALIGN(kern_base + kern_size); - continue; - } - if (start >= avoid_start && start < avoid_end) { - start = avoid_end; - continue; - } - - if ((end - start) < bootmap_size) - break; - - if (start < kern_base && - (start + bootmap_size) > kern_base) { - start = PAGE_ALIGN(kern_base + kern_size); - continue; - } - - if (start < avoid_start && - (start + bootmap_size) > avoid_start) { - start = avoid_end; - continue; - } - - /* OK, it doesn't overlap anything, use it. */ - return start >> PAGE_SHIFT; - } - } - - prom_printf("Cannot find free area for bootmap, aborting.\n"); - prom_halt(); + return lmb_alloc(bootmap_size, PAGE_SIZE) >> PAGE_SHIFT; } static void __init find_ramdisk(unsigned long phys_base) @@ -825,8 +780,7 @@ static void __init find_ramdisk(unsigned long phys_base) static unsigned long __init bootmem_init(unsigned long *pages_avail, unsigned long phys_base) { - unsigned long bootmap_size, end_pfn; - unsigned long bootmap_pfn, size; + unsigned long end_pfn; int i; *pages_avail = lmb_phys_mem_size() >> PAGE_SHIFT; @@ -836,49 +790,31 @@ static unsigned long __init bootmem_init(unsigned long *pages_avail, max_pfn = max_low_pfn = end_pfn; min_low_pfn = (phys_base >> PAGE_SHIFT); - bootmap_pfn = choose_bootmap_pfn(min_low_pfn, end_pfn); - - bootmap_size = init_bootmem_node(NODE_DATA(0), bootmap_pfn, - min_low_pfn, end_pfn); + init_bootmem_node(NODE_DATA(0), + choose_bootmap_pfn(min_low_pfn, end_pfn), + min_low_pfn, end_pfn); /* Now register the available physical memory with the * allocator. */ - for (i = 0; i < pavail_ents; i++) - free_bootmem(pavail[i].phys_addr, pavail[i].reg_size); + for (i = 0; i < lmb.memory.cnt; i++) + free_bootmem(lmb.memory.region[i].base, + lmb_size_bytes(&lmb.memory, i)); -#ifdef CONFIG_BLK_DEV_INITRD - if (initrd_start) { - size = initrd_end - initrd_start; - - /* Reserve the initrd image area. */ - reserve_bootmem(initrd_start, size, BOOTMEM_DEFAULT); + for (i = 0; i < lmb.reserved.cnt; i++) + reserve_bootmem(lmb.reserved.region[i].base, + lmb_size_bytes(&lmb.reserved, i), + BOOTMEM_DEFAULT); - initrd_start += PAGE_OFFSET; - initrd_end += PAGE_OFFSET; - } -#endif - /* Reserve the kernel text/data/bss. */ - reserve_bootmem(kern_base, kern_size, BOOTMEM_DEFAULT); *pages_avail -= PAGE_ALIGN(kern_size) >> PAGE_SHIFT; - /* Add back in the initmem pages. */ - size = ((unsigned long)(__init_end) & PAGE_MASK) - - PAGE_ALIGN((unsigned long)__init_begin); - *pages_avail += size >> PAGE_SHIFT; + for (i = 0; i < lmb.memory.cnt; ++i) { + unsigned long start_pfn, end_pfn, pages; - /* Reserve the bootmem map. We do not account for it - * in pages_avail because we will release that memory - * in free_all_bootmem. - */ - size = bootmap_size; - reserve_bootmem((bootmap_pfn << PAGE_SHIFT), size, BOOTMEM_DEFAULT); - - for (i = 0; i < pavail_ents; i++) { - unsigned long start_pfn, end_pfn; + pages = lmb_size_pages(&lmb.memory, i); + start_pfn = lmb.memory.region[i].base >> PAGE_SHIFT; + end_pfn = start_pfn + pages; - start_pfn = pavail[i].phys_addr >> PAGE_SHIFT; - end_pfn = (start_pfn + (pavail[i].reg_size >> PAGE_SHIFT)); memory_present(0, start_pfn, end_pfn); } |