linux-kernel - [S390] xpram off by one error.

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Message-ID: <20060912093952.GB15641@skybase>
Date:	Tue, 12 Sep 2006 11:39:52 +0200
From:	Martin Schwidefsky <schwidefsky@...ibm.com>
To:	linux-kernel@...r.kernel.org, cborntra@...ibm.com
Subject: [S390] xpram off by one error.

From: Christian Borntraeger <cborntra@...ibm.com>

[S390] xpram off by one error.

The xpram driver shows and uses 4096 bytes less than available.

Signed-off-by: Christian Borntraeger <cborntra@...ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@...ibm.com>
---

 drivers/s390/block/xpram.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -urpN linux-2.6/drivers/s390/block/xpram.c linux-2.6-patched/drivers/s390/block/xpram.c
--- linux-2.6/drivers/s390/block/xpram.c	2006-09-12 10:57:06.000000000 +0200
+++ linux-2.6-patched/drivers/s390/block/xpram.c	2006-09-12 10:57:53.000000000 +0200
@@ -453,7 +453,7 @@ static int __init xpram_init(void)
 		PRINT_WARN("No expanded memory available\n");
 		return -ENODEV;
 	}
-	xpram_pages = xpram_highest_page_index();
+	xpram_pages = xpram_highest_page_index() + 1;
 	PRINT_INFO("  %u pages expanded memory found (%lu KB).\n",
 		   xpram_pages, (unsigned long) xpram_pages*4);
 	rc = xpram_setup_sizes(xpram_pages);
-
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