[PATCH 1/2] xen-blkfront: free allocated page

From: Roger Pau Monne
Date: Fri Nov 16 2012 - 13:27:26 EST


Free the page allocated for the persistent grant.

Signed-off-by: Roger Pau Monnà <roger.pau@xxxxxxxxxx>
---
drivers/block/xen-blkfront.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index f1de806..96e9b00 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -806,6 +806,7 @@ static void blkif_free(struct blkfront_info *info, int suspend)
all_gnts = llist_del_all(&info->persistent_gnts);
llist_for_each_entry(persistent_gnt, all_gnts, node) {
gnttab_end_foreign_access(persistent_gnt->gref, 0, 0UL);
+ __free_page(pfn_to_page(persistent_gnt->pfn));
kfree(persistent_gnt);
}
info->persistent_gnts_c = 0;
--
1.7.7.5 (Apple Git-26)

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