linux-kernel - Re: [PATCH 16/35] x86: make 64 bit use early

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Date:	Sun, 14 Feb 2010 12:31:01 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
CC:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Christoph Lameter <cl@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH 16/35] x86: make 64 bit use early_res instead of bootmem
 before slab

please check

Subject: [PATCH] x86: nobootmem fix compiling on power pc

Stephen Rothwell reported: on powerpc

x86: make 64 bit use early_res instead of bootmem before slab

cause

mm/page_alloc.c:3468: error: implicit declaration of function 'find_early_area'
mm/page_alloc.c:3483: error: implicit declaration of function 'reserve_early_without_check'

actually the function is only needed for no_bootmem

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

---
 mm/page_alloc.c |    2 ++
 1 file changed, 2 insertions(+)

Index: linux-2.6/mm/page_alloc.c
===================================================================
--- linux-2.6.orig/mm/page_alloc.c
+++ linux-2.6/mm/page_alloc.c
@@ -3456,6 +3456,7 @@ int __init add_from_early_node_map(struc
 	return nr_range;
 }
 
+#ifdef CONFIG_NO_BOOTMEM
 void * __init __alloc_memory_core_early(int nid, u64 size, u64 align,
 					u64 goal, u64 limit)
 {
@@ -3492,6 +3493,7 @@ void * __init __alloc_memory_core_early(
 
 	return NULL;
 }
+#endif
 
 
 void __init work_with_active_regions(int nid, work_fn_t work_fn, void *data)
--
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