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* [merged mm-stable] mm-workingset-simplify-lockdep-check-in-update_node.patch removed from -mm tree
@ 2025-05-13  6:54 Andrew Morton
  0 siblings, 0 replies; only message in thread
From: Andrew Morton @ 2025-05-13  6:54 UTC (permalink / raw)
  To: mm-commits, willy, hannes, pfalcato, akpm


The quilt patch titled
     Subject: mm: workingset: simplify lockdep check in update_node
has been removed from the -mm tree.  Its filename was
     mm-workingset-simplify-lockdep-check-in-update_node.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Pedro Falcato <pfalcato@suse.de>
Subject: mm: workingset: simplify lockdep check in update_node
Date: Mon, 21 Apr 2025 18:16:28 +0100

container_of(node->array, ..., i_pages) just to access i_pages again is an
incredibly roundabout way of accessing node->array itself.  Simplify it.

Link: https://lkml.kernel.org/r/20250421-workingset-simplify-v1-1-de5c40051e0e@suse.de
Signed-off-by: Pedro Falcato <pfalcato@suse.de>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/workingset.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/mm/workingset.c~mm-workingset-simplify-lockdep-check-in-update_node
+++ a/mm/workingset.c
@@ -612,7 +612,6 @@ struct list_lru shadow_nodes;
 
 void workingset_update_node(struct xa_node *node)
 {
-	struct address_space *mapping;
 	struct page *page = virt_to_page(node);
 
 	/*
@@ -623,8 +622,7 @@ void workingset_update_node(struct xa_no
 	 * already where they should be. The list_empty() test is safe
 	 * as node->private_list is protected by the i_pages lock.
 	 */
-	mapping = container_of(node->array, struct address_space, i_pages);
-	lockdep_assert_held(&mapping->i_pages.xa_lock);
+	lockdep_assert_held(&node->array->xa_lock);
 
 	if (node->count && node->count == node->nr_values) {
 		if (list_empty(&node->private_list)) {
_

Patches currently in -mm which might be from pfalcato@suse.de are



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2025-05-13  6:54 [merged mm-stable] mm-workingset-simplify-lockdep-check-in-update_node.patch removed from -mm tree Andrew Morton

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