libceph: nuke ceph_kvfree()
Use kvfree() from linux/mm.h instead, which is identical. Also fix the
ceph_buffer comment: we will allocate with kmalloc() up to 32k - the
value of PAGE_ALLOC_COSTLY_ORDER, but that really is just an
implementation detail so don't mention it at all.
Signed-off-by: Ilya Dryomov <idryomov@redhat.com>
diff --git a/include/linux/ceph/buffer.h b/include/linux/ceph/buffer.h
index 07ad423..07ca15e 100644
--- a/include/linux/ceph/buffer.h
+++ b/include/linux/ceph/buffer.h
@@ -10,8 +10,7 @@
/*
* a simple reference counted buffer.
*
- * use kmalloc for small sizes (<= one page), vmalloc for larger
- * sizes.
+ * use kmalloc for smaller sizes, vmalloc for larger sizes.
*/
struct ceph_buffer {
struct kref kref;
diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h
index 07bc359..d293f7e 100644
--- a/include/linux/ceph/libceph.h
+++ b/include/linux/ceph/libceph.h
@@ -184,7 +184,6 @@
extern const char *ceph_msg_type_name(int type);
extern int ceph_check_fsid(struct ceph_client *client, struct ceph_fsid *fsid);
extern void *ceph_kvmalloc(size_t size, gfp_t flags);
-extern void ceph_kvfree(const void *ptr);
extern struct ceph_options *ceph_parse_options(char *options,
const char *dev_name, const char *dev_name_end,
diff --git a/net/ceph/buffer.c b/net/ceph/buffer.c
index 621b5f6..add5f92 100644
--- a/net/ceph/buffer.c
+++ b/net/ceph/buffer.c
@@ -6,7 +6,7 @@
#include <linux/ceph/buffer.h>
#include <linux/ceph/decode.h>
-#include <linux/ceph/libceph.h> /* for ceph_kv{malloc,free} */
+#include <linux/ceph/libceph.h> /* for ceph_kvmalloc */
struct ceph_buffer *ceph_buffer_new(size_t len, gfp_t gfp)
{
@@ -35,7 +35,7 @@
struct ceph_buffer *b = container_of(kref, struct ceph_buffer, kref);
dout("buffer_release %p\n", b);
- ceph_kvfree(b->vec.iov_base);
+ kvfree(b->vec.iov_base);
kfree(b);
}
EXPORT_SYMBOL(ceph_buffer_release);
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 58fbfe1..d361a274 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -184,14 +184,6 @@
return __vmalloc(size, flags | __GFP_HIGHMEM, PAGE_KERNEL);
}
-void ceph_kvfree(const void *ptr)
-{
- if (is_vmalloc_addr(ptr))
- vfree(ptr);
- else
- kfree(ptr);
-}
-
static int parse_fsid(const char *str, struct ceph_fsid *fsid)
{
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 8d1653c..863d07a 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -3288,7 +3288,7 @@
static void ceph_msg_free(struct ceph_msg *m)
{
dout("%s %p\n", __func__, m);
- ceph_kvfree(m->front.iov_base);
+ kvfree(m->front.iov_base);
kmem_cache_free(ceph_msg_cache, m);
}