mm/slub: Convert print_page_info() to print_slab_info()

Improve the type safety and remove calls to slab_page().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>

diff --git a/mm/slub.c b/mm/slub.c
index 98cc2545a9bd0c737f8f4c17571bd27b5b5aa4ee..d941bd188a8ed4d3bb2ddb2c5b2f575fce876c00 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -761,12 +761,11 @@ void print_tracking(struct kmem_cache *s, void *object)
        print_track("Freed", get_track(s, object, TRACK_FREE), pr_time);
 }
 
-static void print_page_info(struct page *page)
+static void print_slab_info(struct slab *slab)
 {
        pr_err("Slab 0x%p objects=%u used=%u fp=0x%p flags=%#lx(%pGp)\n",
-              page, page->objects, page->inuse, page->freelist,
-              page->flags, &page->flags);
-
+              slab, slab->objects, slab->inuse, slab->freelist,
+              slab->flags, &slab->flags);
 }
 
 static void slab_bug(struct kmem_cache *s, char *fmt, ...)
@@ -823,7 +822,7 @@ static void print_trailer(struct kmem_cache *s, struct slab *slab, u8 *p)
 
        print_tracking(s, p);
 
-       print_page_info(slab_page(slab));
+       print_slab_info(slab);
 
        pr_err("Object 0x%p @offset=%tu fp=0x%p\n\n",
               p, p - addr, get_freepointer(s, p));
@@ -879,7 +878,7 @@ static __printf(3, 4) void slab_err(struct kmem_cache *s, struct slab *slab,
        vsnprintf(buf, sizeof(buf), fmt, args);
        va_end(args);
        slab_bug(s, "%s", buf);
-       print_page_info(slab_page(slab));
+       print_slab_info(slab);
        dump_stack();
        add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);
 }