linux-kernel - RE: [PATCH 2/5] Drivers: hv: allocate the exact needed memory for messages

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Message-ID: <MW2PR2101MB1052E10419C37D704303D91ED7C70@MW2PR2101MB1052.namprd21.prod.outlook.com>
Date:   Fri, 3 Apr 2020 01:54:33 +0000
From:   Michael Kelley <mikelley@...rosoft.com>
To:     vkuznets <vkuznets@...hat.com>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Wei Liu <wei.liu@...nel.org>,
        Tianyu Lan <Tianyu.Lan@...rosoft.com>,
        KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "Andrea Parri (Microsoft)" <parri.andrea@...il.com>
Subject: RE: [PATCH 2/5] Drivers: hv: allocate the exact needed memory for
 messages

From: Vitaly Kuznetsov <vkuznets@...hat.com> Sent: Wednesday, April 1, 2020 3:37 AM
> 
> When we need to pass a buffer with Hyper-V message we don't need to always
> allocate 256 bytes for the message: the real message length is known from
> the header. Change 'struct onmessage_work_context' to make it possible to
> not over-allocate.
> 
> Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>
> ---
>  drivers/hv/vmbus_drv.c | 15 ++++++++++-----
>  1 file changed, 10 insertions(+), 5 deletions(-)
> 

Reviewed-by: Michael Kelley <mikelley@...rosoft.com>