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Miller" , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , bpf , Kernel Team , linux-mm , Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton , Vlastimil Babka Subject: Re: [PATCH bpf-next 0/5] bpf: BPF specific memory allocator. Message-ID: <20220712184315.k6tteikog7pze5z2@MacBook-Pro-3.local.dhcp.thefacebook.com> References: <20220712043914.pxmbm7vockuvpmmh@macbook-pro-3.dhcp.thefacebook.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1657651400; a=rsa-sha256; cv=none; b=XaVcIoep060dLQ59E3osL5BpTdKAh5bs+cRgddJTxb+D/atsTo+jFEA+iqtLdaABYYC4mu 0U9sPHkTLEo0xnDo3jQyf4tnMl2IGy/PY61CEUklRuIQrio6SVgZC7j2Hn3UaCzzfPmEif WmNpNPBdCQKZJ7obaMNejOCYi06oLYs= ARC-Authentication-Results: i=1; imf08.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=qdX8b8ZV; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf08.hostedemail.com: domain of alexei.starovoitov@gmail.com designates 209.85.210.174 as permitted sender) smtp.mailfrom=alexei.starovoitov@gmail.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1657651400; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=R/FYk9tPIDTawZE5OMd3QkyOPq+WSwEVrCOp+DVVU6c=; b=7NI3GrId3ubeS+DONDvbEd+T57y1y+P9CANx8TiZNlOkL4JhQYfM4D8gzaIdt2dA3FqhWJ ZkN2S3aU/EdSnp/DHdTvSlEyphmQpkPpKjzez1ChqHsuk4W0AqDhC4kKnVF3IfIDIS6zw2 iwrzQk4fWsMgP9aJl+5bUNj4QPf+l7I= Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=qdX8b8ZV; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf08.hostedemail.com: domain of alexei.starovoitov@gmail.com designates 209.85.210.174 as permitted sender) smtp.mailfrom=alexei.starovoitov@gmail.com X-Rspam-User: X-Stat-Signature: w63atk86pu57r43r8ou6y61o7qrmsquz X-Rspamd-Queue-Id: 773AE160058 X-Rspamd-Server: rspam08 X-HE-Tag: 1657651400-712318 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Jul 12, 2022 at 11:11:25AM -0700, Shakeel Butt wrote: > Ccing Mina who actually worked on upstreaming this. See [1] for > previous discussion and more use-cases. > > [1] https://lore.kernel.org/linux-mm/20211120045011.3074840-1-almasrymina@google.com/ Doesn't look like that it landed upstream? For bpf side we're thinking of something similar. We cannot do memcg= mount option, of course. Instead memcg path or FD will passed to bpf side to be used later. So the user can select a memcg instead of taking it from current. Yafang, I'm assuming you're working on something like this?