Re: Stability (2.2.14/15/16/17pre1)

From: Andrea Arcangeli (andrea@suse.de)
Date: Tue Jun 13 2000 - 20:02:09 EST


On Tue, 13 Jun 2000, Marcelo Tosatti wrote:

>the chance to clear the trashing_mem flag. Since the big hog is doing
>much more allocation per second than the others processes, it will have
>more chance to get the trashing_mem flag cleared, then allocate one
>page, decrementing nr_free_pages making the other processes lose the
>chance to clear the trashing_mem flag. This is quite unfair, IMO.

The big hog is going to cause nr_free_pages to return under the min
watermark before the other process will try to do the next allocation.

Andrea

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