linux-kernel - Re: [PATCH 4/5] ACPI / PM: Make suspend_nvs_save() use acpi_os_map

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Date:	Fri, 07 Jan 2011 01:02:31 -0500 (EST)
From:	Len Brown <lenb@...nel.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>,
	Jiri Slaby <jirislaby@...il.com>
Subject: Re: [PATCH 4/5] ACPI / PM: Make suspend_nvs_save() use
 acpi_os_map_memory()

> my arrandale laptop took multiple OOPS on resume after this patch.

This bit makes my laptop happy, so I'll add it to this patch.

thanks,
-Len

diff --git a/drivers/acpi/nvs.c b/drivers/acpi/nvs.c
index 8e7ab5e..54b6ab8 100644
--- a/drivers/acpi/nvs.c
+++ b/drivers/acpi/nvs.c
@@ -80,7 +80,7 @@ void suspend_nvs_free(void)
 			free_page((unsigned long)entry->data);
 			entry->data = NULL;
 			if (entry->kaddr) {
-				iounmap(entry->kaddr);
+				acpi_os_unmap_memory(entry->kaddr, entry->size);
 				entry->kaddr = NULL;
 			}
 		}


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