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Message-ID: <4D6604DD.8000500@kernel.org>
Date: Wed, 23 Feb 2011 23:12:29 -0800
From: Yinghai Lu <yinghai@...nel.org>
To: Ingo Molnar <mingo@...e.hu>
CC: Andrew Morton <akpm@...ux-foundation.org>,
Thomas Gleixner <tglx@...utronix.de>,
"H. Peter Anvin" <hpa@...or.com>,
David Miller <davem@...emloft.net>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] memblock: 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>
Acked-by: Andrew Morton <akpm@...ux-foundation.org>
---
include/linux/mm.h | 2 --
mm/nobootmem.c | 25 +++++++++++++++++++++++++
mm/page_alloc.c | 28 ----------------------------
3 files changed, 25 insertions(+), 30 deletions(-)
Index: linux-2.6/include/linux/mm.h
===================================================================
--- linux-2.6.orig/include/linux/mm.h
+++ linux-2.6/include/linux/mm.h
@@ -1309,8 +1309,6 @@ int add_from_early_node_map(struct range
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);
Index: linux-2.6/mm/nobootmem.c
===================================================================
--- linux-2.6.orig/mm/nobootmem.c
+++ linux-2.6/mm/nobootmem.c
@@ -40,6 +40,31 @@ 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 > memblock.current_limit)
+ limit = memblock.current_limit;
+
+ addr = find_memory_core_early(nid, size, align, goal, limit);
+
+ if (addr == MEMBLOCK_ERROR)
+ return NULL;
+
+ ptr = phys_to_virt(addr);
+ memset(ptr, 0, size);
+ memblock_x86_reserve_range(addr, addr + size, "BOOTMEM");
+ /*
+ * The min_count is set to 0 so that bootmem allocated blocks
+ * are never reported as leaks.
+ */
+ kmemleak_alloc(ptr, size, 0, 0);
+ return ptr;
+}
+
/*
* free_bootmem_late - free bootmem pages directly to page allocator
* @addr: starting address of the range
Index: linux-2.6/mm/page_alloc.c
===================================================================
--- linux-2.6.orig/mm/page_alloc.c
+++ linux-2.6/mm/page_alloc.c
@@ -3780,34 +3780,6 @@ 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)
-{
- void *ptr;
- u64 addr;
-
- if (limit > memblock.current_limit)
- limit = memblock.current_limit;
-
- addr = find_memory_core_early(nid, size, align, goal, limit);
-
- if (addr == MEMBLOCK_ERROR)
- return NULL;
-
- ptr = phys_to_virt(addr);
- memset(ptr, 0, size);
- memblock_x86_reserve_range(addr, addr + size, "BOOTMEM");
- /*
- * The min_count is set to 0 so that bootmem allocated blocks
- * are never reported as leaks.
- */
- kmemleak_alloc(ptr, size, 0, 0);
- return ptr;
-}
-#endif
-
-
void __init work_with_active_regions(int nid, work_fn_t work_fn, void *data)
{
int i;
--
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