linux-kernel - Re: [PATCH 12/15] stackdepot: add refcount for records

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Message-ID: <CA+fCnZcmFsXNQobD2WGd-CXWA5_3mxTm3C4O79AWz5A8nxHOFg@mail.gmail.com>
Date:   Wed, 13 Sep 2023 19:07:58 +0200
From:   Andrey Konovalov <andreyknvl@...il.com>
To:     Marco Elver <elver@...gle.com>
Cc:     andrey.konovalov@...ux.dev,
        Alexander Potapenko <glider@...gle.com>,
        Dmitry Vyukov <dvyukov@...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 12/15] stackdepot: add refcount for records

On Mon, Sep 4, 2023 at 8:56 PM Marco Elver <elver@...gle.com> wrote:
>
> > WDYT about adding a new flavor of stack_depot_save called
> > stack_depot_save_get that would increment the refcount? And renaming
> > stack_depot_evict to stack_depot_put.
>
> If there are no other uses of stack_depot_get(), which seems likely,
> just stack_depot_save_get() seems ok.

Ok, I will implement a similar approach in v2: add another flag to
__stack_depot_save to avoid multiplying API functions.

Thanks!