Messages in this thread | | | Date | Thu, 1 Feb 2001 14:36:06 +0000 | From | "Stephen C. Tweedie" <> | Subject | Re: [PATCH] vma limited swapin readahead |
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Hi,
On Thu, Feb 01, 2001 at 08:53:33AM -0200, Marcelo Tosatti wrote: > > On Thu, 1 Feb 2001, Stephen C. Tweedie wrote: > > If we're under free memory shortage, "unlucky" readaheads will be harmful.
I know, it's a balancing act. But given that even one successful readahead per read will halve the number of swapin seeks, the performance loss due to the extra scavenging has got to be bad to outweigh the benefit.
Cheers, Stephen - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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