+ mm-migrate-remove-unused-mm-argument-from-do_move_pages_to_node.patch added to mm-unstable branch

+ mm-migrate-remove-unused-mm-argument-from-do_move_pages_to_node.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm/migrate: remove unused mm argument from do_move_pages_to_node
has been added to the -mm mm-unstable branch.  Its filename is
     mm-migrate-remove-unused-mm-argument-from-do_move_pages_to_node.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-migrate-remove-unused-mm-argument-from-do_move_pages_to_node.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Gregory Price <gourry.memverge@gmail.com>
Subject: mm/migrate: remove unused mm argument from do_move_pages_to_node
Date: Tue, 3 Oct 2023 10:48:57 -0400

This function does not actively use the mm_struct, it can be removed.

Link: https://lkml.kernel.org/r/20231003144857.752952-2-gregory.price@memverge.com
Signed-off-by: Gregory Price <gregory.price@memverge.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Gregory Price <gregory.price@memverge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/migrate.c |   13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

--- a/mm/migrate.c~mm-migrate-remove-unused-mm-argument-from-do_move_pages_to_node
+++ a/mm/migrate.c
@@ -2029,8 +2029,7 @@ static int store_status(int __user *stat
 	return 0;
 }
 
-static int do_move_pages_to_node(struct mm_struct *mm,
-		struct list_head *pagelist, int node)
+static int do_move_pages_to_node(struct list_head *pagelist, int node)
 {
 	int err;
 	struct migration_target_control mtc = {
@@ -2119,7 +2118,7 @@ out:
 	return err;
 }
 
-static int move_pages_and_store_status(struct mm_struct *mm, int node,
+static int move_pages_and_store_status(int node,
 		struct list_head *pagelist, int __user *status,
 		int start, int i, unsigned long nr_pages)
 {
@@ -2128,7 +2127,7 @@ static int move_pages_and_store_status(s
 	if (list_empty(pagelist))
 		return 0;
 
-	err = do_move_pages_to_node(mm, pagelist, node);
+	err = do_move_pages_to_node(pagelist, node);
 	if (err) {
 		/*
 		 * Positive err means the number of failed
@@ -2196,7 +2195,7 @@ static int do_pages_move(struct mm_struc
 			current_node = node;
 			start = i;
 		} else if (node != current_node) {
-			err = move_pages_and_store_status(mm, current_node,
+			err = move_pages_and_store_status(current_node,
 					&pagelist, status, start, i, nr_pages);
 			if (err)
 				goto out;
@@ -2231,7 +2230,7 @@ static int do_pages_move(struct mm_struc
 		if (err)
 			goto out_flush;
 
-		err = move_pages_and_store_status(mm, current_node, &pagelist,
+		err = move_pages_and_store_status(current_node, &pagelist,
 				status, start, i, nr_pages);
 		if (err) {
 			/* We have accounted for page i */
@@ -2243,7 +2242,7 @@ static int do_pages_move(struct mm_struc
 	}
 out_flush:
 	/* Make sure we do not overwrite the existing error */
-	err1 = move_pages_and_store_status(mm, current_node, &pagelist,
+	err1 = move_pages_and_store_status(current_node, &pagelist,
 				status, start, i, nr_pages);
 	if (err >= 0)
 		err = err1;
_

Patches currently in -mm which might be from gourry.memverge@gmail.com are

mm-migrate-fix-do_pages_move-for-compat-pointers.patch
mm-migrate-remove-unused-mm-argument-from-do_move_pages_to_node.patch