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-rw-r--r--mm/sparse.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/mm/sparse.c b/mm/sparse.c
index 42ca0ea9af1b..fac95f2888f2 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -77,7 +77,6 @@ static struct mem_section noinline __init_refok *sparse_index_alloc(int nid)
static int __meminit sparse_index_init(unsigned long section_nr, int nid)
{
- static DEFINE_SPINLOCK(index_init_lock);
unsigned long root = SECTION_NR_TO_ROOT(section_nr);
struct mem_section *section;
int ret = 0;
@@ -88,20 +87,9 @@ static int __meminit sparse_index_init(unsigned long section_nr, int nid)
section = sparse_index_alloc(nid);
if (!section)
return -ENOMEM;
- /*
- * This lock keeps two different sections from
- * reallocating for the same index
- */
- spin_lock(&index_init_lock);
-
- if (mem_section[root]) {
- ret = -EEXIST;
- goto out;
- }
mem_section[root] = section;
-out:
- spin_unlock(&index_init_lock);
+
return ret;
}
#else /* !SPARSEMEM_EXTREME */