linux-kernel - Re: [PATCH 08/18] lib/stackdepot: reorder and annotate global variables

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Date:   Tue, 31 Jan 2023 20:01:29 +0100
From:   Andrey Konovalov <andreyknvl@...il.com>
To:     Alexander Potapenko <glider@...gle.com>
Cc:     andrey.konovalov@...ux.dev, Marco Elver <elver@...gle.com>,
        Vlastimil Babka <vbabka@...e.cz>, kasan-dev@...glegroups.com,
        Evgenii Stepanov <eugenis@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Andrey Konovalov <andreyknvl@...gle.com>
Subject: Re: [PATCH 08/18] lib/stackdepot: reorder and annotate global variables

On Tue, Jan 31, 2023 at 11:43 AM Alexander Potapenko <glider@...gle.com> wrote:
>
> On Mon, Jan 30, 2023 at 9:50 PM <andrey.konovalov@...ux.dev> wrote:
> >
> > From: Andrey Konovalov <andreyknvl@...gle.com>
> >
> > Group stack depot global variables by their purpose:
> >
> > 1. Hash table-related variables,
> > 2. Slab-related variables,
> >
> > and add comments.
> >
> > Also clean up comments for hash table-related constants.
> >
> > Signed-off-by: Andrey Konovalov <andreyknvl@...gle.com>
> Reviewed-by: Alexander Potapenko <glider@...gle.com>
>
> ...
> > +/* Lock that protects the variables above. */
> > +static DEFINE_RAW_SPINLOCK(depot_lock);
> > +/* Whether the next slab is initialized. */
> > +static int next_slab_inited;
> Might be worth clarifying what happens if there's no next slab (see my
> comment to patch 01).

Will do in v2. Thanks!