linux-kernel - Likley stupid question on "throttle_vm

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Date:	Mon, 9 Nov 2009 07:15:25 -0800 (PST)
From:	Martin Knoblauch <spamtrap@...bisoft.de>
To:	linux-kernel@...r.kernel.org
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Fengguang Wu <wfg@...l.ustc.edu.cn>
Subject: Likley stupid question on "throttle_vm_writeout"

Hi, (please CC me on replies)

 I have a likely stupid question on the function "throttle_vm_writeout". Looking at the code I find:

                if (global_page_state(NR_UNSTABLE_NFS) +
                        global_page_state(NR_WRITEBACK) <= dirty_thresh)
                                break;
                congestion_wait(WRITE, HZ/10);

Shouldn't the NR_FILE_DIRTY pages be considered as well?

Cheers

Martin 
------------------------------------------------------
Martin Knoblauch
email: k n o b i AT knobisoft DOT de
www:   http://www.knobisoft.de

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