From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Alexander Usyskin <alexander.usyskin@intel.com>
Cc: Oren Weil <oren.jer.weil@intel.com>,
Tomas Winkler <tomasw@gmail.com>,
linux-kernel@vger.kernel.org,
Rohit Agarwal <rohiagar@chromium.org>,
Brian Geffon <bgeffon@google.com>
Subject: Re: [char-misc-next v2] mei: use kvmalloc for read buffer
Date: Tue, 15 Oct 2024 13:24:28 +0200 [thread overview]
Message-ID: <2024101519-malt-used-4986@gregkh> (raw)
In-Reply-To: <20241015104745.2242190-1-alexander.usyskin@intel.com>
On Tue, Oct 15, 2024 at 01:47:45PM +0300, Alexander Usyskin wrote:
> Read buffer is allocated according to max message size, reported by
> the firmware and may reach 64K in systems with pxp client.
> Contiguous 64k allocation may fail under memory pressure.
> Read buffer is used as in-driver message storage and not required
> to be contiguous.
> Use kvmalloc to allow kernel to allocate non-contiguous memory.
>
> Reported-by: Rohit Agarwal <rohiagar@chromium.org>
> Closes: https://lore.kernel.org/all/20240813084542.2921300-1-rohiagar@chromium.org/
> Tested-by: Brian Geffon <bgeffon@google.com>
> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
> ---
No Fixes: tag?
prev parent reply other threads:[~2024-10-15 11:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-15 10:47 [char-misc-next v2] mei: use kvmalloc for read buffer Alexander Usyskin
2024-10-15 11:24 ` Greg Kroah-Hartman
2024-10-15 11:24 ` Greg Kroah-Hartman [this message]
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