x86: add MAP_STACK mmap flag

[linux-2.6] / drivers / block / xen-blkfront.c

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index a39b4b2b0c50a4e362b0e566a2d3b11767e81089..3ca643cafccdc6be26bb24532db09ccddeff12f9 100644 (file)
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -154,8 +154,8 @@ static int blkif_getgeo(struct block_device *bd, struct hd_geometry *hg)
        return 0;
 }
 
-int blkif_ioctl(struct inode *inode, struct file *filep,
-               unsigned command, unsigned long argument)
+static int blkif_ioctl(struct inode *inode, struct file *filep,
+                      unsigned command, unsigned long argument)
 {
        struct blkfront_info *info =
                inode->i_bdev->bd_disk->private_data;
@@ -584,7 +584,7 @@ static int setup_blkring(struct xenbus_device *dev,
 
        info->ring_ref = GRANT_INVALID_REF;
 
-       sring = (struct blkif_sring *)__get_free_page(GFP_KERNEL);
+       sring = (struct blkif_sring *)__get_free_page(GFP_NOIO | __GFP_HIGH);
        if (!sring) {
                xenbus_dev_fatal(dev, -ENOMEM, "allocating shared ring");
                return -ENOMEM;
@@ -741,7 +741,8 @@ static int blkif_recover(struct blkfront_info *info)
        int j;
 
        /* Stage 1: Make a safe copy of the shadow state. */
-       copy = kmalloc(sizeof(info->shadow), GFP_KERNEL);
+       copy = kmalloc(sizeof(info->shadow),
+                      GFP_NOIO | __GFP_REPEAT | __GFP_HIGH);
        if (!copy)
                return -ENOMEM;
        memcpy(copy, info->shadow, sizeof(info->shadow));
@@ -1045,7 +1046,7 @@ static int __init xlblk_init(void)
 module_init(xlblk_init);
 
 
-static void xlblk_exit(void)
+static void __exit xlblk_exit(void)
 {
        return xenbus_unregister_driver(&blkfront);
 }