[PATCH] mm: sparsemem: drop unexpected word 'a' in comments

["XueBing Chen" <chenxuebing@jari.cn>]

there is an unexpected word 'a' in the comments that need to be dropped

Signed-off-by: XueBing Chen <chenxuebing@jari.cn>
---
 mm/sparse-vmemmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c
index 8ed193249e84..33c508ec5846 100644
--- a/mm/sparse-vmemmap.c
+++ b/mm/sparse-vmemmap.c
@@ -548,7 +548,7 @@ pte_t * __meminit vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node,
 		} else {
 			/*
 			 * When a PTE/PMD entry is freed from the init_mm
-			 * there's a a free_pages() call to this page allocated
+			 * there's a free_pages() call to this page allocated
 			 * above. Thus this get_page() is paired with the
 			 * put_page_testzero() on the freeing path.
 			 * This can only called by certain ZONE_DEVICE path,
-- 
2.17.1