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Re: [PATCH] remove throttle_vm_writeout()

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From: Miklos Szeredi
Subject: Re: [PATCH] remove throttle_vm_writeout()
Date: Thursday, October 4, 2007 - 2:07 pm

> Yeah, I'm guestimating O on a per device basis, but I agree that the

Yes.  So what is it to be?

Is limiting by device queues enough?

Or do we need some global limit?

If so, the cleanest way I see is to separately account and limit
swap-writeback pages, so the global counters don't interfere with the
limiting.

This shouldn't be hard to do, as we have the per-bdi writeback
counting infrastructure already, and also a pseudo bdi for swap in
swapper_space.backing_dev_info.

Miklos
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Messages in current thread:
[PATCH] remove throttle_vm_writeout(), Miklos Szeredi, (Thu Oct 4, 5:25 am)
Re: [PATCH] remove throttle_vm_writeout(), Peter Zijlstra, (Thu Oct 4, 5:40 am)
Re: [PATCH] remove throttle_vm_writeout(), Miklos Szeredi, (Thu Oct 4, 6:00 am)
Re: [PATCH] remove throttle_vm_writeout(), Peter Zijlstra, (Thu Oct 4, 6:23 am)
Re: [PATCH] remove throttle_vm_writeout(), Miklos Szeredi, (Thu Oct 4, 6:49 am)
Re: [PATCH] remove throttle_vm_writeout(), Peter Zijlstra, (Thu Oct 4, 9:47 am)
Re: [PATCH] remove throttle_vm_writeout(), Andrew Morton, (Thu Oct 4, 10:46 am)
Re: [PATCH] remove throttle_vm_writeout(), Peter Zijlstra, (Thu Oct 4, 11:10 am)
Re: [PATCH] remove throttle_vm_writeout(), Andrew Morton, (Thu Oct 4, 11:54 am)
Re: [PATCH] remove throttle_vm_writeout(), Miklos Szeredi, (Thu Oct 4, 2:07 pm)
Re: [PATCH] remove throttle_vm_writeout(), Andrew Morton, (Thu Oct 4, 2:56 pm)
Re: [PATCH] remove throttle_vm_writeout(), Miklos Szeredi, (Thu Oct 4, 3:39 pm)
Re: [PATCH] remove throttle_vm_writeout(), Andrew Morton, (Thu Oct 4, 4:09 pm)
Re: [PATCH] remove throttle_vm_writeout(), Miklos Szeredi, (Thu Oct 4, 4:26 pm)
Re: [PATCH] remove throttle_vm_writeout(), Andrew Morton, (Thu Oct 4, 4:48 pm)
Re: [PATCH] remove throttle_vm_writeout(), Miklos Szeredi, (Thu Oct 4, 5:12 pm)
Re: [PATCH] remove throttle_vm_writeout(), Andrew Morton, (Thu Oct 4, 5:48 pm)
Re: [PATCH] remove throttle_vm_writeout(), Peter Zijlstra, (Fri Oct 5, 12:32 am)
Re: [PATCH] remove throttle_vm_writeout(), Peter Zijlstra, (Fri Oct 5, 1:22 am)
Re: [PATCH] remove throttle_vm_writeout(), Miklos Szeredi, (Fri Oct 5, 2:22 am)
Re: [PATCH] remove throttle_vm_writeout(), Peter Zijlstra, (Fri Oct 5, 2:47 am)
Re: [PATCH] remove throttle_vm_writeout(), Miklos Szeredi, (Fri Oct 5, 3:27 am)
Re: [PATCH] remove throttle_vm_writeout(), Miklos Szeredi, (Fri Oct 5, 3:32 am)
Re: [PATCH] remove throttle_vm_writeout(), Peter Zijlstra, (Fri Oct 5, 3:57 am)
Re: [PATCH] remove throttle_vm_writeout(), Miklos Szeredi, (Fri Oct 5, 4:27 am)
Re: [PATCH] remove throttle_vm_writeout(), Fengguang Wu, (Fri Oct 5, 5:30 am)
Re: [PATCH] remove throttle_vm_writeout(), John Stoffel, (Fri Oct 5, 8:43 am)
Re: [PATCH] remove throttle_vm_writeout(), Andrew Morton, (Fri Oct 5, 10:20 am)
Re: [PATCH] remove throttle_vm_writeout(), Trond Myklebust, (Fri Oct 5, 10:50 am)
Re: [PATCH] remove throttle_vm_writeout(), Peter Zijlstra, (Fri Oct 5, 11:32 am)
Re: [PATCH] remove throttle_vm_writeout(), Trond Myklebust, (Fri Oct 5, 12:20 pm)
Re: [PATCH] remove throttle_vm_writeout(), Trond Myklebust, (Fri Oct 5, 12:23 pm)
Re: [PATCH] remove throttle_vm_writeout(), Rik van Riel, (Fri Oct 5, 12:54 pm)
Re: [PATCH] remove throttle_vm_writeout(), Peter Zijlstra, (Fri Oct 5, 2:07 pm)
Re: [PATCH] remove throttle_vm_writeout(), Fengguang Wu, (Fri Oct 5, 5:40 pm)
Re: [PATCH] remove throttle_vm_writeout(), Fengguang Wu, (Fri Oct 5, 7:32 pm)