Re: Linux 3.19-rc3

From: Tony Luck
Date: Fri Jan 09 2015 - 22:17:57 EST


On Fri, Jan 9, 2015 at 6:27 PM, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> Big pages are a bad bad bad idea. They work fine for databases, and
> that's pretty much just about it. I'm sure there are some other loads,
> but they are few and far between.

For HPC too. They tend not to do a lot of I/O (and when they do it is
from a few big files). Then they just sit crunching over gigabytes of
memory for seven and a half million years before doing:

printf("Answer is %d\n", 42);

-Tony
--
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/