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Date:	Tue, 29 Jan 2008 00:29:28 -0800 (PST)
To:	Theodore Tso <tytso@....EDU>
cc:	Pavel Machek <>,,
	David Chinner <>,
	Valerie Henson <>,,,,
	Andreas Dilger <>,
	Ric Wheeler <>
Subject: Re: [RFC] Parallelize IO for e2fsck

On Mon, 28 Jan 2008, Theodore Tso wrote:

> On Mon, Jan 28, 2008 at 07:30:05PM +0000, Pavel Machek wrote:
>> As user pages are always in highmem, this should be easy to decide:
>> only send SIGDANGER when highmem is full. (Yes, there are
>> inodes/dentries/file descriptors in lowmem, but I doubt apps will
>> respond to SIGDANGER by closing files).
> Good point; for a system with at least (say) 2GB of memory, that
> definitely makes sense.  For a system with less than 768 megs of
> memory (how quaint, but it wasn't that long ago this was a lot of
> memory :-), there wouldn't *be* any memory in highmem at all....

not to mention machines with 1G of ram (900M lowmem, 128M highmem)

David Lang
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