]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - mm/hugetlb.c
[NET]: Remove obsolete comment
[linux-2.6-omap-h63xx.git] / mm / hugetlb.c
index e0fda156f0212a1a44c0d27f13dc8ffd1cda1064..db861d8b6c2824f460cc177f0d4008fd8850cc3e 100644 (file)
@@ -699,6 +699,11 @@ int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src,
                dst_pte = huge_pte_alloc(dst, addr);
                if (!dst_pte)
                        goto nomem;
+
+               /* If the pagetables are shared don't copy or take references */
+               if (dst_pte == src_pte)
+                       continue;
+
                spin_lock(&dst->page_table_lock);
                spin_lock(&src->page_table_lock);
                if (!pte_none(*src_pte)) {