On Fri, Mar 29, 2024 at 12:54:30PM +0800, Kefeng Wang wrote: > I still see the following memory leak, could you check it? > > /mnt/arm64 # cat /sys//kernel/debug/kmemleak > unreferenced object 0xffff000200d91000 (size 16): > comm "kworker/4:0", pid 42, jiffies 4294892753 > hex dump (first 16 bytes): > 60 37 57 c1 00 00 ff ff 00 00 00 00 00 00 00 00 `7W............. > backtrace (crc 4458f477): > [<(____ptrval____)>] kmemleak_alloc+0x3c/0x50 > [<(____ptrval____)>] kmalloc_trace+0x20c/0x2e0 > [<(____ptrval____)>] __set_page_owner+0x1d0/0x2a0 > [<(____ptrval____)>] prep_new_page+0x108/0x138 > [<(____ptrval____)>] get_page_from_freelist+0x79c/0x16b8 > [<(____ptrval____)>] __alloc_pages+0x1bc/0x440 > [<(____ptrval____)>] new_slab+0x104/0x3c8 > [<(____ptrval____)>] ___slab_alloc+0x368/0xb20 > [<(____ptrval____)>] __slab_alloc.isra.0+0x3c/0x88 > [<(____ptrval____)>] kmalloc_trace+0x280/0x2e0 > [<(____ptrval____)>] __set_page_owner+0x1d0/0x2a0 > [<(____ptrval____)>] prep_new_page+0x108/0x138 > [<(____ptrval____)>] get_page_from_freelist+0x79c/0x16b8 > [<(____ptrval____)>] __alloc_pages+0x1bc/0x440 > [<(____ptrval____)>] new_slab+0x104/0x3c8 > [<(____ptrval____)>] ___slab_alloc+0x368/0xb20 Hi Kefeng Wang You seem to be missing [1] Could you try with that patch applied? [1] https://lore.kernel.org/linux-mm/20240315222610.6870-1-osalvador@xxxxxxx/ Thanks -- Oscar Salvador SUSE Labs
