On Fri, Sep 27, 2024 at 01:51:15PM +0000, Pu Lehui wrote:
> Commit 70294d8bc31f ("bpf: Eliminate rlimit-based memory accounting for
> devmap maps") relies on the v5.11+ basic mechanism of memcg-based memory
> accounting [0]. The commit cannot be independently backported to the
> 5.10 stable branch, otherwise the related memory when creating devmap
> will be unrestricted and the associated bpf selftest map_ptr will fail.
> Let's roll back to rlimit-based memory accounting mode for devmap and
> re-adapt the commit 225da02acdc9 ("bpf: Fix DEVMAP_HASH overflow check
> on 32-bit arches") to the 5.10 stable branch.
>
> Link: https://lore.kernel.org/bpf/20201201215900.3569844-1-guro@xxxxxx [0]
>
> Pu Lehui (2):
> Revert "bpf: Fix DEVMAP_HASH overflow check on 32-bit arches"
> Revert "bpf: Eliminate rlimit-based memory accounting for devmap maps"
>
> Toke Høiland-Jørgensen (1):
> bpf: Fix DEVMAP_HASH overflow check on 32-bit arches
>
> kernel/bpf/devmap.c | 20 ++++++++++++++++++--
> 1 file changed, 18 insertions(+), 2 deletions(-)
>
> --
> 2.34.1
>
>
Now queud up, thanks.
greg k-h
