From e7af4014b4a2ea1fc95724d733de996a32b4b1dd Mon Sep 17 00:00:00 2001 From: Maninder Singh Date: Wed, 24 Apr 2024 16:48:37 +0530 Subject: mm: page_owner: fix wrong information in dump_page_owner With commit ea4b5b33bf8a ("mm,page_owner: update metadata for tail pages"), new API __update_page_owner_handle was introduced and arguemnt was passed in wrong order from __set_page_owner and thus page_owner is giving wrong data. [ 15.982420] page last allocated via order 0, migratetype Unmovable, gfp_mask 0xcc0(GFP_KERNEL), pid 80, tgid -1210279584 (insmod), ts 80, free_ts 0 Fixing the same. Correct output: [ 14.556482] page last allocated via order 0, migratetype Unmovable, gfp_mask 0xcc0(GFP_KERNEL), pid 80, tgid 80 (insmod), ts 14552004992, free_ts 0 Link: https://lkml.kernel.org/r/20240424111838.3782931-1-hariom1.p@samsung.com Fixes: ea4b5b33bf8a ("mm,page_owner: update metadata for tail pages") Signed-off-by: Maninder Singh Signed-off-by: Hariom Panthi Acked-by: Oscar Salvador Cc: Christoph Hellwig Cc: Lorenzo Stoakes Cc: Rohit Thapliyal Cc: Uladzislau Rezki (Sony) Cc: Vlastimil Babka Signed-off-by: Andrew Morton --- mm/page_owner.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'mm/page_owner.c') diff --git a/mm/page_owner.c b/mm/page_owner.c index 742f432e5bf0..6669c7eadfb3 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -328,7 +328,7 @@ noinline void __set_page_owner(struct page *page, unsigned short order, if (unlikely(!page_ext)) return; __update_page_owner_handle(page_ext, handle, order, gfp_mask, -1, - current->pid, current->tgid, ts_nsec, + ts_nsec, current->pid, current->tgid, current->comm); page_ext_put(page_ext); inc_stack_record_count(handle, gfp_mask, 1 << order); -- cgit v1.2.3