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

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

                 reply	other threads:[~2006-09-12  9:39 UTC|newest]

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