IB/hfi1: Remove unneeded mm argument in remove function

The reworked mmu_rb interface allows the unused mm argument to be removed.

Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/hfi1/user_exp_rcv.c b/drivers/infiniband/hw/hfi1/user_exp_rcv.c
index 3bcda22..8717e11 100644
--- a/drivers/infiniband/hw/hfi1/user_exp_rcv.c
+++ b/drivers/infiniband/hw/hfi1/user_exp_rcv.c
@@ -87,8 +87,7 @@
 static int set_rcvarray_entry(struct file *, unsigned long, u32,
 			      struct tid_group *, struct page **, unsigned);
 static int tid_rb_insert(void *, struct mmu_rb_node *);
-static void tid_rb_remove(void *, struct mmu_rb_node *,
-			  struct mm_struct *);
+static void tid_rb_remove(void *, struct mmu_rb_node *);
 static int tid_rb_invalidate(void *, struct mmu_rb_node *);
 static int program_rcvarray(struct file *, unsigned long, struct tid_group *,
 			    struct tid_pageset *, unsigned, u16, struct page **,
@@ -901,7 +900,7 @@
 	if (!node || node->rcventry != (uctxt->expected_base + rcventry))
 		return -EBADF;
 	if (!fd->handler)
-		tid_rb_remove(fd, &node->mmu, fd->mm);
+		tid_rb_remove(fd, &node->mmu);
 	else
 		hfi1_mmu_rb_remove(fd->handler, &node->mmu);
 
@@ -964,7 +963,7 @@
 				if (!node || node->rcventry != rcventry)
 					continue;
 				if (!fd->handler)
-					tid_rb_remove(fd, &node->mmu, fd->mm);
+					tid_rb_remove(fd, &node->mmu);
 				else
 					hfi1_mmu_rb_remove(fd->handler,
 							   &node->mmu);
@@ -1028,8 +1027,7 @@
 	return 0;
 }
 
-static void tid_rb_remove(void *arg, struct mmu_rb_node *node,
-			  struct mm_struct *mm)
+static void tid_rb_remove(void *arg, struct mmu_rb_node *node)
 {
 	struct hfi1_filedata *fdata = arg;
 	struct tid_rb_node *tnode =