linux-kernel - [PATCH 26/37] lmb: Move __alloc_memory_core

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Message-Id: <1273866363-14249-27-git-send-email-yinghai@kernel.org>
Date:	Fri, 14 May 2010 12:45:52 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Johannes Weiner <hannes@...xchg.org>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	Yinghai Lu <yinghai@...nel.org>
Subject: [PATCH 26/37] lmb: Move __alloc_memory_core_early() to nobootmem.c

We can remove #ifdef in mm/page_alloc.c

and change that function to static

Signed-off-by: Yinghai Lu <yinghai@...nel.org>
---
 include/linux/mm.h |    2 --
 mm/nobootmem.c     |   21 +++++++++++++++++++++
 mm/page_alloc.c    |   24 ------------------------
 3 files changed, 21 insertions(+), 26 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 7774e1d..2a14361 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1161,8 +1161,6 @@ 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 *);
 extern void work_with_active_regions(int nid, work_fn_t work_fn, void *data);
 extern void sparse_memory_present_with_active_regions(int nid);
diff --git a/mm/nobootmem.c b/mm/nobootmem.c
index abaec96..e3cbde7 100644
--- a/mm/nobootmem.c
+++ b/mm/nobootmem.c
@@ -40,6 +40,27 @@ unsigned long max_pfn;
 unsigned long saved_max_pfn;
 #endif
 
+static void * __init __alloc_memory_core_early(int nid, u64 size, u64 align,
+					u64 goal, u64 limit)
+{
+	void *ptr;
+
+	u64 addr;
+
+	if (limit > lmb.current_limit)
+		limit = lmb.current_limit;
+
+	addr = find_memory_core_early(nid, size, align, goal, limit);
+
+	if (addr == LMB_ERROR)
+		return NULL;
+
+	ptr = phys_to_virt(addr);
+	memset(ptr, 0, size);
+	lmb_reserve_area(addr, addr + size, "BOOTMEM");
+	return ptr;
+}
+
 /*
  * free_bootmem_late - free bootmem pages directly to page allocator
  * @addr: starting address of the range
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 704b26f..7a07e12 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3437,30 +3437,6 @@ int __init add_from_early_node_map(struct range *range, int az,
 	return nr_range;
 }
 
-#ifdef CONFIG_NO_BOOTMEM
-void * __init __alloc_memory_core_early(int nid, u64 size, u64 align,
-					u64 goal, u64 limit)
-{
-	void *ptr;
-
-	u64 addr;
-
-	if (limit > lmb.current_limit)
-		limit = lmb.current_limit;
-
-	addr = find_memory_core_early(nid, size, align, goal, limit);
-
-	if (addr == LMB_ERROR)
-		return NULL;
-
-	ptr = phys_to_virt(addr);
-	memset(ptr, 0, size);
-	lmb_reserve_area(addr, addr + size, "BOOTMEM");
-	return ptr;
-}
-#endif
-
-
 void __init work_with_active_regions(int nid, work_fn_t work_fn, void *data)
 {
 	int i;
-- 
1.6.4.2

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