Re: Linux 3.19-rc3

Tony Luck
2015-01-10T03:17:53Z

On Fri, Jan 9, 2015 at 6:27 PM, Linus Torvalds
<torvalds@linux-foundation.org> 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