It can be used to find NODE_DATA for numa. Need to make sure early_node_map[] is filled before it is called, otherwise it will fallback to lmb_find_area(), with node range. Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx> --- arch/x86/include/asm/lmb.h | 1 + arch/x86/mm/lmb.c | 15 +++++++++++++++ 2 files changed, 16 insertions(+), 0 deletions(-) diff --git a/arch/x86/include/asm/lmb.h b/arch/x86/include/asm/lmb.h index d0ae19f..358d8a6 100644 --- a/arch/x86/include/asm/lmb.h +++ b/arch/x86/include/asm/lmb.h @@ -15,5 +15,6 @@ int get_free_all_memory_range(struct range **rangep, int nodeid); void lmb_register_active_regions(int nid, unsigned long start_pfn, unsigned long last_pfn); u64 lmb_hole_size(u64 start, u64 end); +u64 lmb_find_area_node(int nid, u64 start, u64 end, u64 size, u64 align); #endif diff --git a/arch/x86/mm/lmb.c b/arch/x86/mm/lmb.c index 11b76d0..17bb1fb 100644 --- a/arch/x86/mm/lmb.c +++ b/arch/x86/mm/lmb.c @@ -254,6 +254,21 @@ void __init lmb_free_area(u64 start, u64 end) } /* + * Need to call this function after lmb_register_active_regions, + * so early_node_map[] is filled already. + */ +u64 __init lmb_find_area_node(int nid, u64 start, u64 end, u64 size, u64 align) +{ + u64 addr; + addr = find_memory_core_early(nid, size, align, start, end); + if (addr != LMB_ERROR) + return addr; + + /* Fallback, should already have start end within node range */ + return lmb_find_area(start, end, size, align); +} + +/* * Finds an active region in the address range from start_pfn to last_pfn and * returns its range in ei_startpfn and ei_endpfn for the lmb entry. */ -- 1.6.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html