linux-kernel - Re: acpi_os_allocate(GFP_KERNEL) (was Re: acpi_evaluate

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Message-id: <alpine.LFD.2.00.0812180104500.17738@localhost.localdomain>
Date:	Thu, 18 Dec 2008 01:07:08 -0500 (EST)
From:	Len Brown <lenb@...nel.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, pavel@...e.cz,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-acpi@...r.kernel.org,
	Johannes Berg <johannes@...solutions.net>
Subject: Re: acpi_os_allocate(GFP_KERNEL) (was Re: acpi_evaluate_integer broken
 by design)



-- Len Brown, Intel Open Source Technology Center

> In fact, we should be using GFP_ATOMIC already while devices are being
> suspended, so we can switch from GFP_KERNEL to GFP_ATOMIC even before
> interrupts are enabled.

true.  it makes me wonder if tinkering with ACPI
is a bad idea -- for it will address only one user of kmalloc.
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