x86/mm/32: Remove unused node_memmap_size_bytes() & CONFIG_NEED_NODE_MEMMAP_SIZE logic

node_memmap_size_bytes() has been unused since the v3.9 kernel, so remove it.

Signed-off-by: David Rientjes <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Laura Abbott <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Fixes: f03574f2d5b2 ("x86-32, mm: Rip out x86_32 NUMA remapping code")
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>

1 files changed, 0 insertions, 22 deletions

diff --git a/mm/sparse.c b/mm/sparse.c
index 7af5e7a92528..79b26f98d793 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -236,28 +236,6 @@ void __init memory_present(int nid, unsigned long start, unsigned long end)
 }
 
 /*
- * Only used by the i386 NUMA architecures, but relatively
- * generic code.
- */
-unsigned long __init node_memmap_size_bytes(int nid, unsigned long start_pfn,
-						     unsigned long end_pfn)
-{
-	unsigned long pfn;
-	unsigned long nr_pages = 0;
-
-	mminit_validate_memmodel_limits(&start_pfn, &end_pfn);
-	for (pfn = start_pfn; pfn < end_pfn; pfn += PAGES_PER_SECTION) {
-		if (nid != early_pfn_to_nid(pfn))
-			continue;
-
-		if (pfn_present(pfn))
-			nr_pages += PAGES_PER_SECTION;
-	}
-
-	return nr_pages * sizeof(struct page);
-}
-
-/*
  * Subtle, we encode the real pfn into the mem_map such that
  * the identity pfn - section_mem_map will return the actual
  * physical page frame number.