Merge tag 'tty-4.20-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

[linux.git] / net / ceph / pagelist.c

diff --git a/net/ceph/pagelist.c b/net/ceph/pagelist.c
index 2ea0564771d2d4428be2a3e9642056b85d3b306f..65e34f78b05d4ca662ddceca0d1a24b34eb4007d 100644 (file)
--- a/net/ceph/pagelist.c
+++ b/net/ceph/pagelist.c
@@ -6,6 +6,26 @@
 #include <linux/highmem.h>
 #include <linux/ceph/pagelist.h>
 
+struct ceph_pagelist *ceph_pagelist_alloc(gfp_t gfp_flags)
+{
+       struct ceph_pagelist *pl;
+
+       pl = kmalloc(sizeof(*pl), gfp_flags);
+       if (!pl)
+               return NULL;
+
+       INIT_LIST_HEAD(&pl->head);
+       pl->mapped_tail = NULL;
+       pl->length = 0;
+       pl->room = 0;
+       INIT_LIST_HEAD(&pl->free_list);
+       pl->num_pages_free = 0;
+       refcount_set(&pl->refcnt, 1);
+
+       return pl;
+}
+EXPORT_SYMBOL(ceph_pagelist_alloc);
+
 static void ceph_pagelist_unmap_tail(struct ceph_pagelist *pl)
 {
        if (pl->mapped_tail) {