On Thu, 2010-05-13 at 17:19 -0700, Yinghai Lu wrote: > According to node range in early_node_map[] with __lmb_find_area > to find free range. > > Will be used by lmb_find_area_node() > > lmb_find_area_node will be used to find right buffer for NODE_DATA The prototype for this has nothing to do in lmb.h under that name at least. Cheers, Ben. > Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx> > --- > include/linux/mm.h | 2 ++ > mm/page_alloc.c | 29 +++++++++++++++++++++++++++++ > 2 files changed, 31 insertions(+), 0 deletions(-) > > diff --git a/include/linux/mm.h b/include/linux/mm.h > index fb19bb9..7774e1d 100644 > --- a/include/linux/mm.h > +++ b/include/linux/mm.h > @@ -1159,6 +1159,8 @@ extern void free_bootmem_with_active_regions(int nid, > unsigned long max_low_pfn); > int add_from_early_node_map(struct range *range, int az, > int nr_range, int nid); > +u64 __init find_memory_core_early(int nid, u64 size, u64 align, > + u64 goal, u64 limit); > void *__alloc_memory_core_early(int nodeid, u64 size, u64 align, > u64 goal, u64 limit); > typedef int (*work_fn_t)(unsigned long, unsigned long, void *); > diff --git a/mm/page_alloc.c b/mm/page_alloc.c > index d03c946..72afd94 100644 > --- a/mm/page_alloc.c > +++ b/mm/page_alloc.c > @@ -21,6 +21,7 @@ > #include <linux/pagemap.h> > #include <linux/jiffies.h> > #include <linux/bootmem.h> > +#include <linux/lmb.h> > #include <linux/compiler.h> > #include <linux/kernel.h> > #include <linux/kmemcheck.h> > @@ -3393,6 +3394,34 @@ void __init free_bootmem_with_active_regions(int nid, > } > } > > +#ifdef CONFIG_HAVE_LMB > +u64 __init find_memory_core_early(int nid, u64 size, u64 align, > + u64 goal, u64 limit) > +{ > + int i; > + > + /* Need to go over early_node_map to find out good range for node */ > + for_each_active_range_index_in_nid(i, nid) { > + u64 addr; > + u64 ei_start, ei_last; > + > + ei_last = early_node_map[i].end_pfn; > + ei_last <<= PAGE_SHIFT; > + ei_start = early_node_map[i].start_pfn; > + ei_start <<= PAGE_SHIFT; > + addr = __lmb_find_area(ei_start, ei_last, > + goal, limit, size, align); > + > + if (addr == LMB_ERROR) > + continue; > + > + return addr; > + } > + > + return -1ULL; > +} > +#endif > + > int __init add_from_early_node_map(struct range *range, int az, > int nr_range, int nid) > { -- 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