mm: sparsemem: move vmemmap related to HugeTLB to CONFIG_HUGETLB_PAGE_FREE_VMEMMAP

[linux-block.git] / mm / sparse-vmemmap.c

diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c
index c64d1aa3c4b503ad75c551b4d5694de52bd577de..8aecd6b3896c783a46b47ee4f54a2fe53f6dc0b4 100644 (file)
--- a/mm/sparse-vmemmap.c
+++ b/mm/sparse-vmemmap.c
@@ -34,6 +34,7 @@
 #include <asm/pgalloc.h>
 #include <asm/tlbflush.h>
 
+#ifdef CONFIG_HUGETLB_PAGE_FREE_VMEMMAP
 /**
  * struct vmemmap_remap_walk - walk vmemmap page table
  *
@@ -419,6 +420,7 @@ int vmemmap_remap_alloc(unsigned long start, unsigned long end,
 
        return 0;
 }
+#endif /* CONFIG_HUGETLB_PAGE_FREE_VMEMMAP */
 
 /*
  * Allocate a block of memory to be used to back the virtual memory map