The patch titled
ia64: clean up sparsemem memory_present call
has been added to the -mm tree. Its filename is
ia64-clean-up-sparsemem-memory_present-calls.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: ia64: clean up sparsemem memory_present call
From: "Bob Picco" <bob.picco@xxxxxx>
Eliminate arch specific memory_present call ia64 NUMA by utilizing
sparse_memory_present_with_active_regions.
Acked-by: Mel Gorman <mel@xxxxxxxxx>
Signed-off-by: Bob Picco <bob.picco@xxxxxx>
Cc: "Luck, Tony" <tony.luck@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
arch/ia64/mm/discontig.c | 36 +++---------------------------------
1 file changed, 3 insertions(+), 33 deletions(-)
diff -puN arch/ia64/mm/discontig.c~ia64-clean-up-sparsemem-memory_present-calls arch/ia64/mm/discontig.c
--- a/arch/ia64/mm/discontig.c~ia64-clean-up-sparsemem-memory_present-calls
+++ a/arch/ia64/mm/discontig.c
@@ -412,37 +412,6 @@ static void __init memory_less_nodes(voi
return;
}
-#ifdef CONFIG_SPARSEMEM
-/**
- * register_sparse_mem - notify SPARSEMEM that this memory range exists.
- * @start: physical start of range
- * @end: physical end of range
- * @arg: unused
- *
- * Simply calls SPARSEMEM to register memory section(s).
- */
-static int __init register_sparse_mem(unsigned long start, unsigned long end,
- void *arg)
-{
- int nid;
-
- start = __pa(start) >> PAGE_SHIFT;
- end = __pa(end) >> PAGE_SHIFT;
- nid = early_pfn_to_nid(start);
- memory_present(nid, start, end);
-
- return 0;
-}
-
-static void __init arch_sparse_init(void)
-{
- efi_memmap_walk(register_sparse_mem, NULL);
- sparse_init();
-}
-#else
-#define arch_sparse_init() do {} while (0)
-#endif
-
/**
* find_memory - walk the EFI memory map and setup the bootmem allocator
*
@@ -688,10 +657,11 @@ void __init paging_init(void)
max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT;
- arch_sparse_init();
-
efi_memmap_walk(filter_rsvd_memory, count_node_pages);
+ sparse_memory_present_with_active_regions(MAX_NUMNODES);
+ sparse_init();
+
#ifdef CONFIG_VIRTUAL_MEM_MAP
vmalloc_end -= PAGE_ALIGN(ALIGN(max_low_pfn, MAX_ORDER_NR_PAGES) *
sizeof(struct page));
_
Patches currently in -mm which might be from bob.picco@xxxxxx are
ia64-register-memory-ranges-in-a-consistent-manner.patch
ia64-clean-up-sparsemem-memory_present-calls.patch
-
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