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From: David Mosberger <davidm@napali.hpl.hp.com>
To: akpm@digeo.com
Cc: linux-kernel@vger.kernel.org
Subject: [patch] make mprotect() work again
Date: Wed, 25 Sep 2002 16:00:15 -0700	[thread overview]
Message-ID: <200209252300.g8PN0FGO019455@napali.hpl.hp.com> (raw)

This patch:

 ChangeSet@1.536.31.4, 2002-09-17 20:35:47-07:00, akpm@digeo.com
  [PATCH] consolidate the VMA splitting code

broke mprotect().  The patch below makes it work again.

	--david

===== mm/mprotect.c 1.16 vs edited =====
--- 1.16/mm/mprotect.c	Tue Sep 17 11:05:14 2002
+++ edited/mm/mprotect.c	Wed Sep 25 15:48:39 2002
@@ -186,8 +186,10 @@
 		/*
 		 * Try to merge with the previous vma.
 		 */
-		if (mprotect_attempt_merge(vma, *pprev, end, newflags))
+		if (mprotect_attempt_merge(vma, *pprev, end, newflags)) {
+			change_protection(vma, start, end, newprot);
 			return 0;
+		}
 	} else {
 		error = split_vma(mm, vma, start, 1);
 		if (error)

             reply	other threads:[~2002-09-25 22:55 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-25 23:00 David Mosberger [this message]
2002-09-25 23:19 ` Andrew Morton

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