linux-kernel - Re: [PATCH v4 7/8] mm: Use static initialisers for immutable fields of 'struct vm

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Date:   Thu, 21 Jan 2021 12:50:44 +0000
From:   Will Deacon <will@...nel.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Jan Kara <jack@...e.cz>, Minchan Kim <minchan@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Vinayak Menon <vinmenon@...eaurora.org>,
        Hugh Dickins <hughd@...gle.com>,
        kernel-team <kernel-team@...roid.com>
Subject: Re: [PATCH v4 7/8] mm: Use static initialisers for immutable fields
 of 'struct vm_fault'

On Wed, Jan 20, 2021 at 10:21:33AM -0800, Nick Desaulniers wrote:
> On Wed, Jan 20, 2021 at 9:36 AM Will Deacon <will@...nel.org> wrote:
> >
> > In preparation for const-ifying the anonymous struct field of
> > 'struct vm_fault', ensure that it is initialised using static
> > initialisers.
> 
> FWIW these are known as "designated initializers", ie.
> 
> struct foo my_foo = {
>   .bar = 42,
> };
> 
> https://gcc.gnu.org/onlinedocs/gcc/Designated-Inits.html

Thanks, I'm useless with terminology. Will update.

Will