linux-kernel - Re: can a kmalloc be both GFP_ATOMIC and GFP

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Message-ID: <20070428172939.35689110@the-village.bc.nu>
Date:	Sat, 28 Apr 2007 17:29:39 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	"Robert P. J. Day" <rpjday@...dspring.com>
Cc:	"Shan, Guo Wen (Gavin)" <gshan@...atel-lucent.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: can a kmalloc be both GFP_ATOMIC and GFP_KERNEL at the same
 time?

> > drivers/scsi/aic7xxx_old.c:  aic_dev = kmalloc(sizeof(struct aic_dev_data), GFP_ATOMIC | GFP_KERNEL);
> > drivers/message/i2o/device.c:   resblk = kmalloc(buflen + 8, GFP_KERNEL | GFP_ATOMIC);
> >
> >   clarification?
> 
> oh, i'm *aware* of the definitions of those flags, but every single
> source i've ever read has *strongly* suggested that you don't use

I don't believe either of those is doing what the author intended 8).

Alan
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