Re: [2.6 patch] i386: always use 4k stacks

Xavier Bestel
2005-12-16T14:49:57Z

On Fri, 2005-12-16 at 15:39, linux-os (Dick Johnson) wrote:

> Throughout the past two years of 4k stack-wars, I never heard why
> such a small stack was needed (not wanted, needed).

Because after some prolonged uptime, memory can be heavily fragmented.
In this case an order-0 allocation will always succeed (as long as some
memory is free), whereas an order-1 allocation may easily fail.

Xav