diff options
Diffstat (limited to 'arch/hexagon/mm/init.c')
| -rw-r--r-- | arch/hexagon/mm/init.c | 51 |
1 files changed, 8 insertions, 43 deletions
diff --git a/arch/hexagon/mm/init.c b/arch/hexagon/mm/init.c index 3458f39ca2ac..07086dbd33fd 100644 --- a/arch/hexagon/mm/init.c +++ b/arch/hexagon/mm/init.c @@ -43,32 +43,6 @@ DEFINE_SPINLOCK(kmap_gen_lock); /* checkpatch says don't init this to 0. */ unsigned long long kmap_generation; -/* - * mem_init - initializes memory - * - * Frees up bootmem - * Fixes up more stuff for HIGHMEM - * Calculates and displays memory available/used - */ -void __init mem_init(void) -{ - /* No idea where this is actually declared. Seems to evade LXR. */ - memblock_free_all(); - - /* - * To-Do: someone somewhere should wipe out the bootmem map - * after we're done? - */ - - /* - * This can be moved to some more virtual-memory-specific - * initialization hook at some point. Set the init_mm - * descriptors "context" value to point to the initial - * kernel segment table's physical address. - */ - init_mm.context.ptbase = __pa(init_mm.pgd); -} - void sync_icache_dcache(pte_t pte) { unsigned long addr; @@ -80,17 +54,8 @@ void sync_icache_dcache(pte_t pte) __vmcache_idsync(addr, PAGE_SIZE); } -/* - * In order to set up page allocator "nodes", - * somebody has to call free_area_init() for UMA. - * - * In this mode, we only have one pg_data_t - * structure: contig_mem_data. - */ -static void __init paging_init(void) +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) { - unsigned long max_zone_pfn[MAX_NR_ZONES] = {0, }; - /* * This is not particularly well documented anywhere, but * give ZONE_NORMAL all the memory, including the big holes @@ -98,16 +63,16 @@ static void __init paging_init(void) * in the bootmem_map; free_area_init should see those bits and * adjust accordingly. */ + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; +} - max_zone_pfn[ZONE_NORMAL] = max_low_pfn; - - free_area_init(max_zone_pfn); /* sets up the zonelists and mem_map */ - +static void __init paging_init(void) +{ /* - * Start of high memory area. Will probably need something more - * fancy if we... get more fancy. + * Set the init_mm descriptors "context" value to point to the + * initial kernel segment table's physical address. */ - high_memory = (void *)((bootmem_lastpg + 1) << PAGE_SHIFT); + init_mm.context.ptbase = __pa(init_mm.pgd); } #ifndef DMA_RESERVE |