dm kcopyd: add gfp parm to alloc_pl

Introduce a parameter for gfp flags to alloc_pl() for use in following
patches.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c
index ed95779..0270844 100644 (file)
--- a/drivers/md/dm-kcopyd.c
+++ b/drivers/md/dm-kcopyd.c
@@ -70,15 +70,15 @@ static void wake(struct dm_kcopyd_client *kc)
        queue_work(kc->kcopyd_wq, &kc->kcopyd_work);
 }
 
-static struct page_list *alloc_pl(void)
+static struct page_list *alloc_pl(gfp_t gfp)
 {
        struct page_list *pl;
 
-       pl = kmalloc(sizeof(*pl), GFP_KERNEL);
+       pl = kmalloc(sizeof(*pl), gfp);
        if (!pl)
                return NULL;
 
-       pl->page = alloc_page(GFP_KERNEL);
+       pl->page = alloc_page(gfp);
        if (!pl->page) {
                kfree(pl);
                return NULL;
@@ -143,7 +143,7 @@ static int client_alloc_pages(struct dm_kcopyd_client *kc, unsigned int nr)
        struct page_list *pl = NULL, *next;
 
        for (i = 0; i < nr; i++) {
-               next = alloc_pl();
+               next = alloc_pl(GFP_KERNEL);
                if (!next) {
                        if (pl)
                                drop_pages(pl);