From: Thomas Gleixner <tglx@linutronix.de>
To: ira.weiny@intel.com, Andrew Morton <akpm@linux-foundation.org>
Cc: Ira Weiny <ira.weiny@intel.com>,
Oliver Sang <oliver.sang@intel.com>,
Chaitanya Kulkarni <Chaitanya.Kulkarni@wdc.com>,
David Sterba <dsterba@suse.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm/highmem: Fix CONFIG_DEBUG_KMAP_LOCAL_FORCE_MAP
Date: Fri, 19 Mar 2021 03:14:03 +0100 [thread overview]
Message-ID: <875z1n7uvo.fsf@nanos.tec.linutronix.de> (raw)
In-Reply-To: <20210318230657.1497881-1-ira.weiny@intel.com>
On Thu, Mar 18 2021 at 16:06, ira weiny wrote:
> From: Ira Weiny <ira.weiny@intel.com>
>
> The kernel test robot found that __kmap_local_sched_out() was not
> correctly skipping the guard pages when
> CONFIG_DEBUG_KMAP_LOCAL_FORCE_MAP was set.[1] This was due to
> CONFIG_DEBUG_HIGHMEM check being used.
>
> Change the configuration check to be correct.
>
> [1] https://lore.kernel.org/lkml/20210304083825.GB17830@xsang-OptiPlex-9020/
>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Oliver Sang <oliver.sang@intel.com>
> Cc: Chaitanya Kulkarni <Chaitanya.Kulkarni@wdc.com>
> Cc: David Sterba <dsterba@suse.com>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Fixes: 0e91a0c6984c ("mm/highmem: Provide CONFIG_DEBUG_KMAP_LOCAL_FORCE_MAP")
> Reported-by: kernel test robot <oliver.sang@intel.com>
> Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Thanks,
tglx
prev parent reply other threads:[~2021-03-19 2:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-18 23:06 ira.weiny
2021-03-19 2:14 ` Thomas Gleixner [this message]
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