svn commit: r286777 - head/sys/x86/iommu

[Konstantin Belousov]

Author: kib
Date: Fri Aug 14 13:51:59 2015
New Revision: 286777
URL: https://svnweb.freebsd.org/changeset/base/286777

Log:
  Comment only change, fix grammar and somewhat clarify the action.
  
  Sponsored by:	The FreeBSD Foundation
  MFC after:	3 days

Modified:
  head/sys/x86/iommu/intel_idpgtbl.c

Modified: head/sys/x86/iommu/intel_idpgtbl.c
==============================================================================
--- head/sys/x86/iommu/intel_idpgtbl.c	Fri Aug 14 13:43:12 2015	(r286776)
+++ head/sys/x86/iommu/intel_idpgtbl.c	Fri Aug 14 13:51:59 2015	(r286777)
@@ -374,8 +374,9 @@ retry:
 			KASSERT(lvl > 0,
 			    ("lost root page table page %p", domain));
 			/*
-			 * Page table page does not exists, allocate
-			 * it and create pte in the up level.
+			 * Page table page does not exist, allocate
+			 * it and create a pte in the preceeding page level
+			 * to reference the allocated page table page.
 			 */
 			m = dmar_pgalloc(domain->pgtbl_obj, idx, flags |
 			    DMAR_PGF_ZERO);