From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: <20080525143452.193337000@nick.local0.net> References: <20080525142317.965503000@nick.local0.net> Date: Mon, 26 May 2008 00:23:18 +1000 From: npiggin@suse.de Subject: [patch 01/23] hugetlb: fix lockdep error Content-Disposition: inline; filename=hugetlb-copy-lockdep.patch Sender: owner-linux-mm@kvack.org Return-Path: To: linux-mm@kvack.org Cc: kniht@us.ibm.com, andi@firstfloor.org, nacc@us.ibm.com, agl@us.ibm.com, abh@cray.com, joachim.deguara@amd.com List-ID: --- mm/hugetlb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux-2.6/mm/hugetlb.c =================================================================== --- linux-2.6.orig/mm/hugetlb.c +++ linux-2.6/mm/hugetlb.c @@ -785,7 +785,7 @@ int copy_hugetlb_page_range(struct mm_st continue; spin_lock(&dst->page_table_lock); - spin_lock(&src->page_table_lock); + spin_lock_nested(&src->page_table_lock, SINGLE_DEPTH_NESTING); if (!huge_pte_none(huge_ptep_get(src_pte))) { if (cow) huge_ptep_set_wrprotect(src, addr, src_pte); -- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org