memblock/nobootmem: remove unneeded code from alloc_bootmem_node_high()

The bootmem wrapper with memblock supports top-down now, so we no longer
need this trick.

Signed-off-by: Yinghai LU <yinghai@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Olaf Hering <olaf@aepfle.de>
Cc: Tejun Heo <tj@kernel.org>
Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/nobootmem.c b/mm/nobootmem.c
index 9109049f0bbce176071d1776da87e12087485a12..6e93dc7f25863628b576539648dfe0c7ba8d3f10 100644 (file)
--- a/mm/nobootmem.c
+++ b/mm/nobootmem.c
@@ -307,30 +307,7 @@ void * __init __alloc_bootmem_node(pg_data_t *pgdat, unsigned long size,
 void * __init __alloc_bootmem_node_high(pg_data_t *pgdat, unsigned long size,
                                   unsigned long align, unsigned long goal)
 {
-#ifdef MAX_DMA32_PFN
-       unsigned long end_pfn;
-
-       if (WARN_ON_ONCE(slab_is_available()))
-               return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
-
-       /* update goal according ...MAX_DMA32_PFN */
-       end_pfn = pgdat->node_start_pfn + pgdat->node_spanned_pages;
-
-       if (end_pfn > MAX_DMA32_PFN + (128 >> (20 - PAGE_SHIFT)) &&
-           (goal >> PAGE_SHIFT) < MAX_DMA32_PFN) {
-               void *ptr;
-               unsigned long new_goal;
-
-               new_goal = MAX_DMA32_PFN << PAGE_SHIFT;
-               ptr =  __alloc_memory_core_early(pgdat->node_id, size, align,
-                                                new_goal, -1ULL);
-               if (ptr)
-                       return ptr;
-       }
-#endif
-
        return __alloc_bootmem_node(pgdat, size, align, goal);
-
 }
 
 #ifdef CONFIG_SPARSEMEM