linux-kernel - [PATCH] memblock/nobootmem: remove code for alloc_bootmem_node

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Date:	Sun, 08 May 2011 11:38:58 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>
CC:	Olaf Hering <olaf@...fle.de>, Tejun Heo <tj@...nel.org>,
	Lucas De Marchi <lucas.demarchi@...fusion.mobi>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH] memblock/nobootmem: remove code for alloc_bootmem_node_high()


bootmem wrapper with memblock support top-down now, So do not need this trick now.

Signed-off-by: Yinghai LU <yinghai@...nel.org>

---
 mm/nobootmem.c |   23 -----------------------
 1 file changed, 23 deletions(-)

Index: linux-2.6/mm/nobootmem.c
===================================================================
--- linux-2.6.orig/mm/nobootmem.c
+++ linux-2.6/mm/nobootmem.c
@@ -307,30 +307,7 @@ void * __init __alloc_bootmem_node(pg_da
 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
--
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