diff options
Diffstat (limited to 'drivers/block/xen-blkback')
| -rw-r--r-- | drivers/block/xen-blkback/blkback.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index 1966a7cfd8c..de1f319f7bd 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -46,6 +46,7 @@ #include <xen/xen.h> #include <asm/xen/hypervisor.h> #include <asm/xen/hypercall.h> +#include <xen/balloon.h> #include "common.h" /* @@ -239,6 +240,7 @@ static void free_persistent_gnts(struct rb_root *root, unsigned int num) ret = gnttab_unmap_refs(unmap, NULL, pages, segs_to_unmap); BUG_ON(ret); + free_xenballooned_pages(segs_to_unmap, pages); segs_to_unmap = 0; } @@ -527,8 +529,8 @@ static int xen_blkbk_map(struct blkif_request *req, GFP_KERNEL); if (!persistent_gnt) return -ENOMEM; - persistent_gnt->page = alloc_page(GFP_KERNEL); - if (!persistent_gnt->page) { + if (alloc_xenballooned_pages(1, &persistent_gnt->page, + false)) { kfree(persistent_gnt); return -ENOMEM; } |