After having a better look, I have found the patch in linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=0cd74ffcf4fb0536718241d59d2c124578624d83
On Tue, 2 Apr 2024 at 10:20, Arthur Borsboom <arthurborsb...@gmail.com> wrote: > > On Fri, 29 Mar 2024 at 10:47, Arthur Borsboom <arthurborsb...@gmail.com> > wrote: > > > > On Wed, 27 Mar 2024 at 13:15, Jesper Dangaard Brouer <h...@kernel.org> > > wrote: > > > > > > Notice that skb_mark_for_recycle() is introduced later than fixes tag in > > > 6a5bcd84e886 ("page_pool: Allow drivers to hint on SKB recycling"). > > > > > > It is believed that fixes tag were missing a call to > > > page_pool_release_page() > > > between v5.9 to v5.14, after which is should have used > > > skb_mark_for_recycle(). > > > Since v6.6 the call page_pool_release_page() were removed (in 535b9c61bdef > > > ("net: page_pool: hide page_pool_release_page()") and remaining callers > > > converted (in commit 6bfef2ec0172 ("Merge branch > > > 'net-page_pool-remove-page_pool_release_page'")). > > > > > > This leak became visible in v6.8 via commit dba1b8a7ab68 ("mm/page_pool: > > > catch > > > page_pool memory leaks"). > > > > > > Fixes: 6c5aa6fc4def ("xen networking: add basic XDP support for > > > xen-netfront") > > > Reported-by: Arthur Borsboom <arthurborsb...@gmail.com> > > > Signed-off-by: Jesper Dangaard Brouer <h...@kernel.org> > > > --- > > > Compile tested only, can someone please test this > > > > I have tested this patch on Xen 4.18.1 with VM (Arch Linux) kernel > > 6.9.0-rc1. > > > > Without the patch there are many trace traces and cloning the Linux > > mainline git repository resulted in failures (same with kernel 6.8.1). > > The patched kernel 6.9.0-rc1 performs as expected; cloning the git > > repository was successful and no kernel traces observed. > > Hereby my tested by: > > > > Tested-by: Arthur Borsboom <arthurborsb...@gmail.com> > > > > > > > > > drivers/net/xen-netfront.c | 1 + > > > 1 file changed, 1 insertion(+) > > > > > > diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c > > > index ad29f370034e..8d2aee88526c 100644 > > > --- a/drivers/net/xen-netfront.c > > > +++ b/drivers/net/xen-netfront.c > > > @@ -285,6 +285,7 @@ static struct sk_buff > > > *xennet_alloc_one_rx_buffer(struct netfront_queue *queue) > > > return NULL; > > > } > > > skb_add_rx_frag(skb, 0, page, 0, 0, PAGE_SIZE); > > > + skb_mark_for_recycle(skb); > > > > > > /* Align ip header to a 16 bytes boundary */ > > > skb_reserve(skb, NET_IP_ALIGN); > > > > > > > > I don't see this patch yet in linux-next. > > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/log > > Any idea in which kernel release this patch will be included?