From: Steven Whitehouse <[email protected]>
The pages used in lowcomms are not highmem, so kmap is not necessary.
Cc: Christine Caulfield <[email protected]>
Signed-off-by: Steven Whitehouse <[email protected]>
Signed-off-by: David Teigland <[email protected]>
---
fs/dlm/lowcomms.c | 7 -------
1 files changed, 0 insertions(+), 7 deletions(-)
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 1e72031..103a5eb 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -824,7 +824,6 @@ static void sctp_init_assoc(struct connection *con)
len = e->len;
offset = e->offset;
spin_unlock(&con->writequeue_lock);
- kmap(e->page);
/* Send the first block off the write queue */
iov[0].iov_base = page_address(e->page)+offset;
@@ -855,7 +854,6 @@ static void sctp_init_assoc(struct connection *con)
if (e->len == 0 && e->users == 0) {
list_del(&e->list);
- kunmap(e->page);
free_entry(e);
}
spin_unlock(&con->writequeue_lock);
@@ -1204,8 +1202,6 @@ void *dlm_lowcomms_get_buffer(int nodeid, int len, gfp_t allocation, char **ppc)
if (e) {
got_one:
- if (users == 0)
- kmap(e->page);
*ppc = page_address(e->page) + offset;
return e;
}
@@ -1234,7 +1230,6 @@ void dlm_lowcomms_commit_buffer(void *mh)
if (users)
goto out;
e->len = e->end - e->offset;
- kunmap(e->page);
spin_unlock(&con->writequeue_lock);
if (!test_and_set_bit(CF_WRITE_PENDING, &con->flags)) {
@@ -1273,7 +1268,6 @@ static void send_to_sock(struct connection *con)
offset = e->offset;
BUG_ON(len == 0 && e->users == 0);
spin_unlock(&con->writequeue_lock);
- kmap(e->page);
ret = 0;
if (len) {
@@ -1295,7 +1289,6 @@ static void send_to_sock(struct connection *con)
if (e->len == 0 && e->users == 0) {
list_del(&e->list);
- kunmap(e->page);
free_entry(e);
continue;
}
--
1.5.5.1