linux-kernel - Re: [PATCH V2] include: linux: Regularise the use of FIELD

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Date:   Tue, 11 Jun 2019 17:05:06 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Shyam Saini <shyam.saini@...rulasolutions.com>
Cc:     Kernel Hardening <kernel-hardening@...ts.openwall.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Kees Cook <keescook@...omium.org>,
        linux-arm-kernel@...ts.infradead.org, linux-mips@...r.kernel.org,
        intel-gvt-dev@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        Network Development <netdev@...r.kernel.org>,
        linux-ext4@...r.kernel.org, devel@...ts.orangefs.org,
        linux-mm <linux-mm@...ck.org>, linux-sctp@...r.kernel.org,
        bpf <bpf@...r.kernel.org>, kvm@...r.kernel.org,
        mayhs11saini@...il.com
Subject: Re: [PATCH V2] include: linux: Regularise the use of FIELD_SIZEOF macro

On Tue, Jun 11, 2019 at 5:00 PM Shyam Saini
<shyam.saini@...rulasolutions.com> wrote:
>
> Currently, there are 3 different macros, namely sizeof_field, SIZEOF_FIELD
> and FIELD_SIZEOF which are used to calculate the size of a member of
> structure, so to bring uniformity in entire kernel source tree lets use
> FIELD_SIZEOF and replace all occurrences of other two macros with this.
>
> For this purpose, redefine FIELD_SIZEOF in include/linux/stddef.h and
> tools/testing/selftests/bpf/bpf_util.h and remove its defination from
> include/linux/kernel.h

please dont. bpf_util.h is a user space header.
Please leave it as-is.