From: Yafang Shao Date: Fri, 19 Mar 2021 10:12:45 +0000 (+0800) Subject: mm, slub: don't combine pr_err with INFO X-Git-Tag: accepted/tizen/unified/20230118.172025~7371^2~1^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=96b94abc12e6ec648f770776522de20c073c6eca;p=platform%2Fkernel%2Flinux-rpi.git mm, slub: don't combine pr_err with INFO It is strange to combine "pr_err" with "INFO", so let's remove the prefix completely. This patch is motivated by David's comment[1]. - before the patch [ 8846.517809] INFO: Slab 0x00000000f42a2c60 objects=33 used=3 fp=0x0000000060d32ca8 flags=0x17ffffc0010200(slab|head) - after the patch [ 6343.396602] Slab 0x000000004382e02b objects=33 used=3 fp=0x000000009ae06ffc flags=0x17ffffc0010200(slab|head) [1] https://lore.kernel.org/linux-mm/b9c0f2b6-e9b0-0c36-ebdd-2bc684c5a762@redhat.com/#t Suggested-by: Vlastimil Babka Signed-off-by: Yafang Shao Acked-by: Vlastimil Babka Reviewed-by: Miaohe Lin Reviewed-by: Andy Shevchenko Reviewed-by: David Hildenbrand Acked-by: David Rientjes Cc: Matthew Wilcox Reviewed-by: Sergey Senozhatsky Signed-off-by: Petr Mladek Link: https://lore.kernel.org/r/20210319101246.73513-3-laoar.shao@gmail.com --- diff --git a/mm/slub.c b/mm/slub.c index 91eea19..5eb120f 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -615,7 +615,7 @@ static void print_track(const char *s, struct track *t, unsigned long pr_time) if (!t->addr) return; - pr_err("INFO: %s in %pS age=%lu cpu=%u pid=%d\n", + pr_err("%s in %pS age=%lu cpu=%u pid=%d\n", s, (void *)t->addr, pr_time - t->when, t->cpu, t->pid); #ifdef CONFIG_STACKTRACE { @@ -641,7 +641,7 @@ void print_tracking(struct kmem_cache *s, void *object) static void print_page_info(struct page *page) { - pr_err("INFO: Slab 0x%p objects=%u used=%u fp=0x%p flags=%#lx(%pGp)\n", + 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); @@ -698,7 +698,7 @@ static void print_trailer(struct kmem_cache *s, struct page *page, u8 *p) print_page_info(page); - pr_err("INFO: Object 0x%p @offset=%tu fp=0x%p\n\n", + pr_err("Object 0x%p @offset=%tu fp=0x%p\n\n", p, p - addr, get_freepointer(s, p)); if (s->flags & SLAB_RED_ZONE) @@ -791,7 +791,7 @@ static int check_bytes_and_report(struct kmem_cache *s, struct page *page, end--; slab_bug(s, "%s overwritten", what); - pr_err("INFO: 0x%p-0x%p @offset=%tu. First byte 0x%x instead of 0x%x\n", + pr_err("0x%p-0x%p @offset=%tu. First byte 0x%x instead of 0x%x\n", fault, end - 1, fault - addr, fault[0], value); print_trailer(s, page, object); @@ -3869,7 +3869,7 @@ static void list_slab_objects(struct kmem_cache *s, struct page *page, for_each_object(p, s, addr, page->objects) { if (!test_bit(__obj_to_index(s, addr, p), map)) { - pr_err("INFO: Object 0x%p @offset=%tu\n", p, p - addr); + pr_err("Object 0x%p @offset=%tu\n", p, p - addr); print_tracking(s, p); } }