linux-kernel - Re: [PATCH v11 4/4] usb: host: enable USB offload during system sleep

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Message-ID: <2025041140-fernlike-reconvene-b2e5@gregkh>
Date: Fri, 11 Apr 2025 16:02:18 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Guan-Yu Lin <guanyulin@...gle.com>
Cc: mathias.nyman@...el.com, stern@...land.harvard.edu,
	gargaditya08@...e.com, kekrby@...il.com,
	jeff.johnson@....qualcomm.com, elder@...nel.org,
	quic_zijuhu@...cinc.com, ben@...adent.org.uk,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v11 4/4] usb: host: enable USB offload during system sleep

On Tue, Apr 08, 2025 at 03:57:24AM +0000, Guan-Yu Lin wrote:
> @@ -736,6 +737,7 @@ struct usb_device {
>  	unsigned use_generic_driver:1;
>  
>  	refcount_t offload_usage;
> +	unsigned offload_at_suspend:1;

Please take a second and think about how the memory is now layed out
here with your new addition.  The tool 'pahole' is your friend...

thanks,

greg k-h