bootmem: replace node_boot_start in struct bootmem_data

Almost all users of this field need a PFN instead of a physical address,
so replace node_boot_start with node_min_pfn.

[Lee.Schermerhorn@hp.com: fix spurious BUG_ON() in mark_bootmem()]
Signed-off-by: Johannes Weiner <hannes@saeureba.de>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/alpha/mm/numa.c b/arch/alpha/mm/numa.c
index def0c74a78a8..d8c4ceaf00b9 100644
--- a/arch/alpha/mm/numa.c
+++ b/arch/alpha/mm/numa.c
@@ -304,7 +304,7 @@ void __init paging_init(void)
 
         for_each_online_node(nid) {
                 bootmem_data_t *bdata = &bootmem_node_data[nid];
-                unsigned long start_pfn = bdata->node_boot_start >> PAGE_SHIFT;
+                unsigned long start_pfn = bdata->node_min_pfn;
                 unsigned long end_pfn = bdata->node_low_pfn;
 
                 if (dma_local_pfn >= end_pfn - start_pfn)