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authorAlan Somers <asomers@FreeBSD.org>2016-05-04 22:34:11 +0000
committerAlan Somers <asomers@FreeBSD.org>2016-05-04 22:34:11 +0000
commit8907f744ff167dcf9545e2cb089e2831bdd58cd6 (patch)
tree2b9b397696c8820e2fd08a07204e38c5e1570743 /sys/dev/xen
parentdd3f00cbaf11542cacc58ea873ca1adc7c5da2cc (diff)
Notes
Diffstat (limited to 'sys/dev/xen')
-rw-r--r--sys/dev/xen/blkback/blkback.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/sys/dev/xen/blkback/blkback.c b/sys/dev/xen/blkback/blkback.c
index 97068a137c36..8729b456b7de 100644
--- a/sys/dev/xen/blkback/blkback.c
+++ b/sys/dev/xen/blkback/blkback.c
@@ -977,8 +977,8 @@ xbb_get_gntaddr(struct xbb_xen_reqlist *reqlist, int pagenr, int sector)
static uint8_t *
xbb_get_kva(struct xbb_softc *xbb, int nr_pages)
{
- intptr_t first_clear;
- intptr_t num_clear;
+ int first_clear;
+ int num_clear;
uint8_t *free_kva;
int i;
@@ -1027,7 +1027,7 @@ xbb_get_kva(struct xbb_softc *xbb, int nr_pages)
first_clear + nr_pages - 1);
free_kva = xbb->kva +
- (uint8_t *)(first_clear * PAGE_SIZE);
+ (uint8_t *)((intptr_t)first_clear * PAGE_SIZE);
KASSERT(free_kva >= (uint8_t *)xbb->kva &&
free_kva + (nr_pages * PAGE_SIZE) <=
@@ -2967,10 +2967,6 @@ xbb_connect_ring(struct xbb_softc *xbb)
return 0;
}
-/* Needed to make bit_alloc() macro work */
-#define calloc(count, size) malloc((count)*(size), M_XENBLOCKBACK, \
- M_NOWAIT|M_ZERO);
-
/**
* Size KVA and pseudo-physical address allocations based on negotiated
* values for the size and number of I/O requests, and the size of our
@@ -2989,7 +2985,7 @@ xbb_alloc_communication_mem(struct xbb_softc *xbb)
xbb->kva_size = xbb->reqlist_kva_size +
(xbb->ring_config.ring_pages * PAGE_SIZE);
- xbb->kva_free = bit_alloc(xbb->reqlist_kva_pages);
+ xbb->kva_free = bit_alloc(xbb->reqlist_kva_pages, M_XENBLOCKBACK, M_NOWAIT);
if (xbb->kva_free == NULL)
return (ENOMEM);