vmw_vmci: Convert driver to use get_user_pages_fast()

[~andy/linux] / drivers / misc / vmw_vmci / vmci_host.c

diff --git a/drivers/misc/vmw_vmci/vmci_host.c b/drivers/misc/vmw_vmci/vmci_host.c
index d4722b3dc8ec762987f18d25268727ea9954b32c..1723a6e4f2e8ea97b70e3d151f0bc0e29dc29c15 100644 (file)
--- a/drivers/misc/vmw_vmci/vmci_host.c
+++ b/drivers/misc/vmw_vmci/vmci_host.c
@@ -243,11 +243,7 @@ static int vmci_host_setup_notify(struct vmci_ctx *context,
        /*
         * Lock physical page backing a given user VA.
         */
-       down_read(&current->mm->mmap_sem);
-       retval = get_user_pages(current, current->mm,
-                               PAGE_ALIGN(uva),
-                               1, 1, 0, &page, NULL);
-       up_read(&current->mm->mmap_sem);
+       retval = get_user_pages_fast(PAGE_ALIGN(uva), 1, 1, &page);
        if (retval != 1)
                return VMCI_ERROR_GENERIC;