From: Roland Dreier <roland@topspin.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux@horizon.com, mbligh@aracnet.com, linux-kernel@vger.kernel.org
Subject: [PATCH] (was Re: HIGHMEM4G config for 1GB RAM on desktop?)
Date: Fri, 06 Aug 2004 12:11:18 -0700 [thread overview]
Message-ID: <524qngdquh.fsf@topspin.com> (raw)
In-Reply-To: <20040806125236.24348.qmail@science.horizon.com> (linux@horizon.com's message of "6 Aug 2004 12:52:36 -0000")
> wli tells me that there are additional places in the code that
> need fixing.
Looks like arch/i386/kernel/doublefault.c is one place in the code
that hardcodes the assumption that PAGE_OFFSET == 0xC0000000. Here's
a patch that fixes that.
(Of course this doesn't really fix anything except debugging output)
- Roland
Signed-off-by: Roland Dreier <roland@topspin.com>
Index: linux-2.6.8-rc1/arch/i386/kernel/doublefault.c
===================================================================
--- linux-2.6.8-rc1.orig/arch/i386/kernel/doublefault.c
+++ linux-2.6.8-rc1/arch/i386/kernel/doublefault.c
@@ -13,7 +13,7 @@
static unsigned long doublefault_stack[DOUBLEFAULT_STACKSIZE];
#define STACK_START (unsigned long)(doublefault_stack+DOUBLEFAULT_STACKSIZE)
-#define ptr_ok(x) ((x) > 0xc0000000 && (x) < 0xc1000000)
+#define ptr_ok(x) ((x) > PAGE_OFFSET && (x) < PAGE_OFFSET + 0x1000000)
static void doublefault_fn(void)
{
next prev parent reply other threads:[~2004-08-06 20:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-06 12:52 HIGHMEM4G config for 1GB RAM on desktop? linux
2004-08-06 19:11 ` Roland Dreier [this message]
2004-08-07 0:20 ` Valdis.Kletnieks
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