linux-kernel - Re: [PATCH RFC 07/10] kfence, kmemleak: make KFENCE compatible with KMEMLEAK

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Message-ID: <CAG_fn=U8tv2tXdWPTakcpDKG253kHj0YdsSU46GA5WgMo46BWg@mail.gmail.com>
Date:   Tue, 8 Sep 2020 14:29:59 +0200
From:   Alexander Potapenko <glider@...gle.com>
To:     Catalin Marinas <catalin.marinas@....com>
Cc:     Marco Elver <elver@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Christoph Lameter <cl@...ux.com>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Mark Rutland <mark.rutland@....com>,
        Pekka Enberg <penberg@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>, paulmck@...nel.org,
        Andrey Konovalov <andreyknvl@...gle.com>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Andy Lutomirski <luto@...nel.org>,
        Borislav Petkov <bp@...en8.de>, dave.hansen@...ux.intel.com,
        Dmitriy Vyukov <dvyukov@...gle.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Ingo Molnar <mingo@...hat.com>, Jann Horn <jannh@...gle.com>,
        Jonathan Corbet <corbet@....net>,
        Kees Cook <keescook@...omium.org>,
        Peter Zijlstra <peterz@...radead.org>, Qian Cai <cai@....pw>,
        Thomas Gleixner <tglx@...utronix.de>,
        Will Deacon <will@...nel.org>,
        "the arch/x86 maintainers" <x86@...nel.org>,
        linux-doc@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        kasan-dev <kasan-dev@...glegroups.com>,
        linux-arm-kernel@...ts.infradead.org,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: [PATCH RFC 07/10] kfence, kmemleak: make KFENCE compatible with KMEMLEAK

> Could you instead do:
>
> #if defined(CONFIG_KFENCE) && defined(CONFIG_HAVE_ARCH_KFENCE_STATIC_POOL)
>         delete_object_part((unsigned long)__kfence_pool, KFENCE_POOL_SIZE);
> #endif

Thanks, we'll apply this to v2!

-- 
Alexander Potapenko
Software Engineer

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