Re: [PATCH v2 bpf 3/3] bpf: use vmalloc with VM_ALLOW_HUGE_VMAP for bpf_prog_pack

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To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: [PATCH v2 bpf 3/3] bpf: use vmalloc with VM_ALLOW_HUGE_VMAP for bpf_prog_pack
From: Song Liu <song@xxxxxxxxxx>
Date: Mon, 11 Apr 2022 23:12:41 -0700
Cc: bpf <bpf@xxxxxxxxxxxxxxx>, Linux-MM <linux-mm@xxxxxxxxx>, open list <linux-kernel@xxxxxxxxxxxxxxx>, Alexei Starovoitov <ast@xxxxxxxxxx>, Daniel Borkmann <daniel@xxxxxxxxxxxxx>, Andrii Nakryiko <andrii@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, rick.p.edgecombe@xxxxxxxxx, imbrenda@xxxxxxxxxxxxx, Luis Chamberlain <mcgrof@xxxxxxxxxx>
In-reply-to: <YlT+ErUHkFidID2S@infradead.org>
References: <20220411233549.740157-1-song@kernel.org> <20220411233549.740157-5-song@kernel.org> <YlT+ErUHkFidID2S@infradead.org>

On Mon, Apr 11, 2022 at 9:20 PM Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:
>
> On Mon, Apr 11, 2022 at 04:35:49PM -0700, Song Liu wrote:
> > Use __vmalloc_node_range with VM_ALLOW_HUGE_VMAP for bpf_prog_pack so that
>
> That is only very indirectly true now.

Yeah, I realized I missed this part after sending it. Will fix.

Thanks,
Song

References:
- [PATCH v2 bpf 0/3] vmalloc: bpf: introduce VM_ALLOW_HUGE_VMAP
  - From: Song Liu
- [PATCH v2 bpf 3/3] bpf: use vmalloc with VM_ALLOW_HUGE_VMAP for bpf_prog_pack
  - From: Song Liu
- Re: [PATCH v2 bpf 3/3] bpf: use vmalloc with VM_ALLOW_HUGE_VMAP for bpf_prog_pack
  - From: Christoph Hellwig

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