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Date:   Sun, 10 Oct 2021 07:33:42 +0200
From:   Greg KH <>
To:     Xianting Tian <>
Subject: Re: [PATCH v10 2/3] tty: hvc: pass DMA capable memory to put_chars()

On Sat, Oct 09, 2021 at 11:45:23PM +0800, Xianting Tian wrote:
> 在 2021/10/9 下午7:58, Greg KH 写道:
> > Did you look at the placement using pahole as to how this structure now
> > looks?
> thanks for all your commnts. for this one, do you mean I need to remove the
> blank line?  thanks

No, I mean to use the tool 'pahole' to see the structure layout that you
just created and determine if it really is the best way to add these new
fields, especially as you are adding huge buffers with odd alignment.


greg k-h

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