Re: [PATCH prototype] [0/8] Predictive bitmaps for ELF executables

From: David Miller
Date: Wed Mar 19 2008 - 20:36:47 EST


From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Date: Wed, 19 Mar 2008 16:12:11 -0700

> I did some work on that many years ago and I do recall that it
> helped, but I forget how much.

I wrote such a patch ages ago as well.

Frankly, based upon my experiences then and what I know now, I think
it's a lose to do this.

Better to 1) have enough ram and 2) make the reclaim smarter about
important "executable" page cache pages.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/