[src/trunk]: src/sys/uvm skip the MADV_SEQUENTIAL processing if we refault. ...

[chs <chs%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/e4cff2a09c92
branches:  trunk
changeset: 515712:e4cff2a09c92
user:      chs <chs%NetBSD.org@localhost>
date:      Wed Oct 03 05:17:58 2001 +0000

description:
skip the MADV_SEQUENTIAL processing if we refault.  fixes PR 14060.

diffstat:

 sys/uvm/uvm_fault.c |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r ce42264a894d -r e4cff2a09c92 sys/uvm/uvm_fault.c
--- a/sys/uvm/uvm_fault.c       Wed Oct 03 05:02:46 2001 +0000
+++ b/sys/uvm/uvm_fault.c       Wed Oct 03 05:17:58 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uvm_fault.c,v 1.69 2001/09/15 20:36:45 chs Exp $       */
+/*     $NetBSD: uvm_fault.c,v 1.70 2001/10/03 05:17:58 chs Exp $       */
 
 /*
  *
@@ -720,7 +720,7 @@
         * now and then forget about them (for the rest of the fault).
         */
 
-       if (ufi.entry->advice == MADV_SEQUENTIAL) {
+       if (ufi.entry->advice == MADV_SEQUENTIAL && nback != 0) {
 
                UVMHIST_LOG(maphist, "  MADV_SEQUENTIAL: flushing backpages",
                    0,0,0,0);