Re: [PATCH v2 bpf-next 04/20] mm: Expose vmap_pages_range() to the rest of the kernel.

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To: Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx>
Subject: Re: [PATCH v2 bpf-next 04/20] mm: Expose vmap_pages_range() to the rest of the kernel.
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 19 Feb 2024 22:57:25 -0800
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, bpf <bpf@xxxxxxxxxxxxxxx>, Daniel Borkmann <daniel@xxxxxxxxxxxxx>, Andrii Nakryiko <andrii@xxxxxxxxxx>, Kumar Kartikeya Dwivedi <memxor@xxxxxxxxx>, Eddy Z <eddyz87@xxxxxxxxx>, Tejun Heo <tj@xxxxxxxxxx>, Barret Rhoden <brho@xxxxxxxxxx>, Johannes Weiner <hannes@xxxxxxxxxxx>, Lorenzo Stoakes <lstoakes@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Uladzislau Rezki <urezki@xxxxxxxxx>, linux-mm <linux-mm@xxxxxxxxx>, Kernel Team <kernel-team@xxxxxx>
In-reply-to: <CAADnVQJ_rn+PEETAApwK6iW5LYxGh=-rijpfTB6Y6r8K6sG4zA@mail.gmail.com>
References: <20240209040608.98927-1-alexei.starovoitov@gmail.com> <20240209040608.98927-5-alexei.starovoitov@gmail.com> <Zcx7lXfPxCEtNjDC@infradead.org> <CAADnVQKT9X1iSLXojVs1sWy4B-qEGccuk6S6u1d9GBmW9pBAeA@mail.gmail.com> <Zc22DluhMNk5_Zfn@infradead.org> <CAADnVQJ8azcUznU6KHhwEM99NUOx8oai8EOyay4dxLM6ho8mjw@mail.gmail.com> <Zc8rZCQtsETe-cxU@infradead.org> <CAADnVQJ_rn+PEETAApwK6iW5LYxGh=-rijpfTB6Y6r8K6sG4zA@mail.gmail.com>

On Fri, Feb 16, 2024 at 08:54:08AM -0800, Alexei Starovoitov wrote:
> "vmalloc like allocation that grows" is not what I'm after.
> I need 4G+guard region at the start.
> Please read my earlier email and reply to my questions and api proposals.
> Replying to half of the sentence, and out of context, is not a
> productive discussion.

If you can explain what you are trying to do to the reviewers you're
doing something wrong..

References:
- [PATCH v2 bpf-next 00/20] bpf: Introduce BPF arena.
  - From: Alexei Starovoitov
- [PATCH v2 bpf-next 04/20] mm: Expose vmap_pages_range() to the rest of the kernel.
  - From: Alexei Starovoitov
- Re: [PATCH v2 bpf-next 04/20] mm: Expose vmap_pages_range() to the rest of the kernel.
  - From: Christoph Hellwig
- Re: [PATCH v2 bpf-next 04/20] mm: Expose vmap_pages_range() to the rest of the kernel.
  - From: Alexei Starovoitov
- Re: [PATCH v2 bpf-next 04/20] mm: Expose vmap_pages_range() to the rest of the kernel.
  - From: Christoph Hellwig
- Re: [PATCH v2 bpf-next 04/20] mm: Expose vmap_pages_range() to the rest of the kernel.
  - From: Alexei Starovoitov
- Re: [PATCH v2 bpf-next 04/20] mm: Expose vmap_pages_range() to the rest of the kernel.
  - From: Christoph Hellwig
- Re: [PATCH v2 bpf-next 04/20] mm: Expose vmap_pages_range() to the rest of the kernel.
  - From: Alexei Starovoitov

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