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From: Michal Hocko <mhocko@suse.com>
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: bpf <bpf@vger.kernel.org>, Andrii Nakryiko <andrii@kernel.org>,
	Kumar Kartikeya Dwivedi <memxor@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Vlastimil Babka <vbabka@suse.cz>,
	Sebastian Sewior <bigeasy@linutronix.de>,
	Steven Rostedt <rostedt@goodmis.org>,
	Hou Tao <houtao1@huawei.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Shakeel Butt <shakeel.butt@linux.dev>,
	Matthew Wilcox <willy@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Jann Horn <jannh@google.com>, Tejun Heo <tj@kernel.org>,
	linux-mm <linux-mm@kvack.org>, Kernel Team <kernel-team@fb.com>
Subject: Re: [PATCH bpf-next v4 1/6] mm, bpf: Introduce try_alloc_pages() for opportunistic page allocation
Date: Wed, 15 Jan 2025 09:35:32 +0100	[thread overview]
Message-ID: <Z4dzVO-GBBc6Tr5E@tiehlicka> (raw)
In-Reply-To: <CAADnVQKYb+kHwaAzL5c9S8V+Wcnju+ScMbajmMj2wi6E_=Pq-g@mail.gmail.com>

On Tue 14-01-25 17:23:20, Alexei Starovoitov wrote:
> On Tue, Jan 14, 2025 at 2:31 AM Michal Hocko <mhocko@suse.com> wrote:
[...]
> > LGTM, I am not entirely clear on kmsan_alloc_page part though.
> 
> Which part is still confusing?

It is not confusing as much as I have no idea how the kmsan code is
supposed to work. Why do we even need to memset if __GFP_ZERO is used.

-- 
Michal Hocko
SUSE Labs


  reply	other threads:[~2025-01-15  8:35 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-14  2:19 [PATCH bpf-next v4 0/6] bpf, mm: Introduce try_alloc_pages() Alexei Starovoitov
2025-01-14  2:19 ` [PATCH bpf-next v4 1/6] mm, bpf: Introduce try_alloc_pages() for opportunistic page allocation Alexei Starovoitov
2025-01-14  9:53   ` Peter Zijlstra
2025-01-14 10:19     ` Michal Hocko
2025-01-14 10:39       ` Peter Zijlstra
2025-01-14 10:43         ` Michal Hocko
2025-01-14 18:29         ` Alexei Starovoitov
2025-01-14 18:34           ` Steven Rostedt
2025-01-14 10:31   ` Michal Hocko
2025-01-15  1:23     ` Alexei Starovoitov
2025-01-15  8:35       ` Michal Hocko [this message]
2025-01-15 22:33         ` Alexei Starovoitov
2025-01-14  2:19 ` [PATCH bpf-next v4 2/6] mm, bpf: Introduce free_pages_nolock() Alexei Starovoitov
2025-01-14  2:19 ` [PATCH bpf-next v4 3/6] locking/local_lock: Introduce local_trylock_irqsave() Alexei Starovoitov
2025-01-14  2:19 ` [PATCH bpf-next v4 4/6] memcg: Use trylock to access memcg stock_lock Alexei Starovoitov
2025-01-14 10:39   ` Michal Hocko
2025-01-14  2:19 ` [PATCH bpf-next v4 5/6] mm, bpf: Use memcg in try_alloc_pages() Alexei Starovoitov
2025-01-14  2:19 ` [PATCH bpf-next v4 6/6] bpf: Use try_alloc_pages() to allocate pages for bpf needs Alexei Starovoitov

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