[PATCH 09/62] mm/slub: Convert process_slab() to take a struct slab
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: 2021-10-04 13:59:39
Subsystem:
memory management, slab allocator, the rest · Maintainers:
Andrew Morton, Vlastimil Babka, Harry Yoo, Linus Torvalds
Add some type safety by passing a struct slab instead of a struct page. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- mm/slub.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/mm/slub.c b/mm/slub.c
index b34ca1ff3e1c..f5aadbccdab4 100644
--- a/mm/slub.c
+++ b/mm/slub.c@@ -5169,15 +5169,15 @@ static int add_location(struct loc_track *t, struct kmem_cache *s, } static void process_slab(struct loc_track *t, struct kmem_cache *s, - struct page *page, enum track_item alloc, + struct slab *slab, enum track_item alloc, unsigned long *obj_map) { - void *addr = page_address(page); + void *addr = slab_address(slab); void *p; - __fill_map(obj_map, s, page); + __fill_map(obj_map, s, slab_page(slab)); - for_each_object(p, s, addr, page->objects) + for_each_object(p, s, addr, slab->objects) if (!test_bit(__obj_to_index(s, addr, p), obj_map)) add_location(t, s, get_track(s, p, alloc)); }
@@ -6124,16 +6124,16 @@ static int slab_debug_trace_open(struct inode *inode, struct file *filep) for_each_kmem_cache_node(s, node, n) { unsigned long flags; - struct page *page; + struct slab *slab; if (!atomic_long_read(&n->nr_slabs)) continue; spin_lock_irqsave(&n->list_lock, flags); - list_for_each_entry(page, &n->partial, slab_list) - process_slab(t, s, page, alloc, obj_map); - list_for_each_entry(page, &n->full, slab_list) - process_slab(t, s, page, alloc, obj_map); + list_for_each_entry(slab, &n->partial, slab_list) + process_slab(t, s, slab, alloc, obj_map); + list_for_each_entry(slab, &n->full, slab_list) + process_slab(t, s, slab, alloc, obj_map); spin_unlock_irqrestore(&n->list_lock, flags); }
--
2.32.0