netdev - Re: [PATCH bpf 3/4] x86: select HAVE_ARCH_HUGE_VMALLOC_FLAG for X86

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Message-ID: <87tubfm1wv.ffs@tglx>
Date:   Thu, 31 Mar 2022 01:54:56 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Song Liu <song@...nel.org>, linux-mm@...ck.org,
        bpf@...r.kernel.org, netdev@...r.kernel.org, x86@...nel.org
Cc:     ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
        kernel-team@...com, akpm@...ux-foundation.org,
        pmenzel@...gen.mpg.de, rick.p.edgecombe@...el.com,
        Song Liu <song@...nel.org>
Subject: Re: [PATCH bpf 3/4] x86: select HAVE_ARCH_HUGE_VMALLOC_FLAG for X86_64

On Wed, Mar 30 2022 at 15:56, Song Liu wrote:
> As HAVE_ARCH_HUGE_VMALLOC is not ready for X86_64, enable
> HAVE_ARCH_HUGE_VMALLOC_FLAG to allow bpf_prog_pack to allocate huge
> pages.

Despite HAVE_ARCH_HUGE_VMALLOC being not ready for X86_64 enable it
nevertheless?

I assume you wanted to say something like this:

  The shortcomings of huge vmalloc allocations have been fixed in the
  memory management core code, so reenable HAVE_ARCH_HUGE_VMALLOC.

Thanks,

        tglx