[SCSI] sd: remove __GFP_DMA

After 821de3a27bf33f11ec878562577c586cd5f83c64, it's not necessary to
alloate a DMA buffer any more in sd.c.

Signed-off-by: Bernhard Walle <bwalle@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 00e4666..f071b9e 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1515,7 +1515,7 @@
 	if (!scsi_device_online(sdp))
 		goto out;
 
-	buffer = kmalloc(SD_BUF_SIZE, GFP_KERNEL | __GFP_DMA);
+	buffer = kmalloc(SD_BUF_SIZE, GFP_KERNEL);
 	if (!buffer) {
 		sd_printk(KERN_WARNING, sdkp, "sd_revalidate_disk: Memory "
 			  "allocation failure.\n");