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authorAndy Grover <andy.grover@oracle.com>2009-04-09 14:09:42 +0000
committerDavid S. Miller <davem@davemloft.net>2009-04-09 17:21:20 -0700
commit830eb7d56c18ff4c29acd8b0bb48db404660321f (patch)
tree5c467f39c1627d3048c6bb08fa314b12c2ee7c03
parent49f696914100780f6bf8e652d3468de0015d6172 (diff)
RDS: use get_user_pages_fast()
Use the new function that is simpler and faster. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/rds/info.c5
-rw-r--r--net/rds/rdma.c5
2 files changed, 2 insertions, 8 deletions
diff --git a/net/rds/info.c b/net/rds/info.c
index 1d885535214..62aeef37aef 100644
--- a/net/rds/info.c
+++ b/net/rds/info.c
@@ -188,10 +188,7 @@ int rds_info_getsockopt(struct socket *sock, int optname, char __user *optval,
ret = -ENOMEM;
goto out;
}
- down_read(&current->mm->mmap_sem);
- ret = get_user_pages(current, current->mm, start, nr_pages, 1, 0,
- pages, NULL);
- up_read(&current->mm->mmap_sem);
+ ret = get_user_pages_fast(start, nr_pages, 1, pages);
if (ret != nr_pages) {
if (ret > 0)
nr_pages = ret;
diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index e390dc70b9d..8dc83d2caa5 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -150,10 +150,7 @@ static int rds_pin_pages(unsigned long user_addr, unsigned int nr_pages,
{
int ret;
- down_read(&current->mm->mmap_sem);
- ret = get_user_pages(current, current->mm, user_addr,
- nr_pages, write, 0, pages, NULL);
- up_read(&current->mm->mmap_sem);
+ ret = get_user_pages_fast(user_addr, nr_pages, write, pages);
if (ret >= 0 && ret < nr_pages) {
while (ret--)