[33/62] mm/slub: Remove struct page argument to next_freelist_entry()

Commit Message

Matthew Wilcox (Oracle) Oct. 4, 2021, 1:46 p.m. UTC

This argument was unused.  Fix up some comments and rename a parameter.

Signed-off-by: Matthew Wilcox (Oracle) <[e-mail]>
---
 mm/slub.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

Patch

diff --git a/mm/slub.c b/mm/slub.c
index 9a67dda37951..14a423250611 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1809,23 +1809,23 @@  static void __init init_freelist_randomization(void)
 }
 
 /* Get the next entry on the pre-computed freelist randomized */
-static void *next_freelist_entry(struct kmem_cache *s, struct page *page,
+static void *next_freelist_entry(struct kmem_cache *s,
 				unsigned long *pos, void *start,
-				unsigned long page_limit,
+				unsigned long slab_limit,
 				unsigned long freelist_count)
 {
 	unsigned int idx;
 
 	/*
-	 * If the target page allocation failed, the number of objects on the
-	 * page might be smaller than the usual size defined by the cache.
+	 * If the target slab allocation failed, the number of objects in the
+	 * slab might be smaller than the usual size defined by the cache.
 	 */
 	do {
 		idx = s->random_seq[*pos];
 		*pos += 1;
 		if (*pos >= freelist_count)
 			*pos = 0;
-	} while (unlikely(idx >= page_limit));
+	} while (unlikely(idx >= slab_limit));
 
 	return (char *)start + idx;
 }
@@ -1848,13 +1848,12 @@  static bool shuffle_freelist(struct kmem_cache *s, struct slab *slab)
 	start = fixup_red_left(s, slab_address(slab));
 
 	/* First entry is used as the base of the freelist */
-	cur = next_freelist_entry(s, slab_page(slab), &pos, start, slab_limit,
-				freelist_count);
+	cur = next_freelist_entry(s, &pos, start, slab_limit, freelist_count);
 	cur = setup_object(s, slab_page(slab), cur);
 	slab->freelist = cur;
 
 	for (idx = 1; idx < slab->objects; idx++) {
-		next = next_freelist_entry(s, slab_page(slab), &pos, start, slab_limit,
+		next = next_freelist_entry(s, &pos, start, slab_limit,
 			freelist_count);
 		next = setup_object(s, slab_page(slab), next);
 		set_freepointer(s, cur, next);