Re: [PATCH] Fix compile warnings in virtio_balloon

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On Friday 25 January 2008 07:03:18 Anthony Liguori wrote:
> On x86_64, min was throwing a warning.  ARRAY_SIZE is unsigned long so
> let's switch to using that for num.

Creates warning on 32-bit.

How about this?
===

On x86_64, min was throwing a warning.  size_t is correct for 32 and 64.

Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>

diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -82,7 +82,7 @@ static void tell_host(struct virtio_ball
 	wait_for_completion(&vb->acked);
 }
 
-static void fill_balloon(struct virtio_balloon *vb, unsigned int num)
+static void fill_balloon(struct virtio_balloon *vb, size_t num)
 {
 	/* We can only do one array worth at a time. */
 	num = min(num, ARRAY_SIZE(vb->pfns));
@@ -92,7 +92,7 @@ static void fill_balloon(struct virtio_b
 		if (!page) {
 			if (printk_ratelimit())
 				dev_printk(KERN_INFO, &vb->vdev->dev,
-					   "Out of puff! Can't get %u pages\n",
+					   "Out of puff! Can't get %zu pages\n",
 					   num);
 			/* Sleep for at least 1/5 of a second before retry. */
 			msleep(200);
@@ -121,7 +121,7 @@ static void release_pages_by_pfn(const u
 	}
 }
 
-static void leak_balloon(struct virtio_balloon *vb, unsigned int num)
+static void leak_balloon(struct virtio_balloon *vb, size_t num)
 {
 	struct page *page;
 
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