Messages in this thread | | | Date | Wed, 3 Apr 2024 11:19:32 +0800 | Subject | Re: [PATCH v3 0/3] page_owner: Fix refcount imbalance | From | Kefeng Wang <> |
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On 2024/4/2 22:20, Oscar Salvador wrote: > 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@suse.de/
Hi, re-run with clean v6.9-rc2 (already include 7844c0147211 mm,page_owner: fix recursion), after booting and wait some time, the kmemleak is still occurred.
> > Thanks >
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