linux-kernel - Re: [PATCH 13/15] kernel: convert numa_group.refcount from atomic_t to refcount

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Date:   Fri, 7 Jul 2017 11:29:42 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Elena Reshetova <elena.reshetova@...el.com>
Cc:     linux-kernel@...r.kernel.org, cgroups@...r.kernel.org,
        linux-audit@...hat.com, linux-fsdevel@...r.kernel.org,
        gregkh@...uxfoundation.org, viro@...iv.linux.org.uk, tj@...nel.org,
        mingo@...hat.com, hannes@...xchg.org, lizefan@...wei.com,
        acme@...nel.org, alexander.shishkin@...ux.intel.com,
        eparis@...hat.com, akpm@...ux-foundation.org, arnd@...db.de,
        luto@...nel.org, keescook@...omium.org,
        Hans Liljestrand <ishkamiel@...il.com>,
        David Windsor <dwindsor@...il.com>
Subject: Re: [PATCH 13/15] kernel: convert numa_group.refcount from atomic_t
 to refcount_t

On Fri, Jul 07, 2017 at 12:04:27PM +0300, Elena Reshetova wrote:
> refcount_t type and corresponding API should be
> used instead of atomic_t when the variable is used as
> a reference counter. This allows to avoid accidental
> refcounter overflows that might lead to use-after-free
> situations.
> 
> Signed-off-by: Elena Reshetova <elena.reshetova@...el.com>
> Signed-off-by: Hans Liljestrand <ishkamiel@...il.com>
> Signed-off-by: Kees Cook <keescook@...omium.org>
> Signed-off-by: David Windsor <dwindsor@...il.com>

Invalid SoB..

> Subject: [PATCH 13/15] kernel: convert numa_group.refcount from atomic_t to refcount_t

> ---
>  kernel/sched/fair.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)

Invalid Subject prefix too, scheduler patches get to have "sched:"