[PATCH 1/2] page_alloc.c: kill add_from_early_node_map

From: Kautuk Consul
Date: Tue Mar 13 2012 - 11:32:24 EST


No one seems to be calling add_from_early_node_map anywhere from the
kernel.

Also, deleting this function decreases page_alloc.o file size.

Signed-off-by: Kautuk Consul <consul.kautuk@xxxxxxxxx>
---
include/linux/mm.h | 2 --
mm/page_alloc.c | 12 ------------
2 files changed, 0 insertions(+), 14 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 17b27cd..d8c4339 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1291,8 +1291,6 @@ extern void get_pfn_range_for_nid(unsigned int nid,
extern unsigned long find_min_pfn_with_active_regions(void);
extern void free_bootmem_with_active_regions(int nid,
unsigned long max_low_pfn);
-int add_from_early_node_map(struct range *range, int az,
- int nr_range, int nid);
extern void sparse_memory_present_with_active_regions(int nid);

#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index a13ded1..3171f4c 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3925,18 +3925,6 @@ void __init free_bootmem_with_active_regions(int nid, unsigned long max_low_pfn)
}
}

-int __init add_from_early_node_map(struct range *range, int az,
- int nr_range, int nid)
-{
- unsigned long start_pfn, end_pfn;
- int i;
-
- /* need to go over early_node_map to find out good range for node */
- for_each_mem_pfn_range(i, nid, &start_pfn, &end_pfn, NULL)
- nr_range = add_range(range, az, nr_range, start_pfn, end_pfn);
- return nr_range;
-}
-
/**
* sparse_memory_present_with_active_regions - Call memory_present for each active range
* @nid: The node to call memory_present for. If MAX_NUMNODES, all nodes will be used.
--
1.7.5.4

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