Re: [Lhms-devel] [PATCH 0/7] Fragmentation Avoidance V19

Jeff Dike
2005-11-03T20:13:17Z

On Thu, Nov 03, 2005 at 11:54:10AM -0600, Rob Landley wrote:
> Lots of work has gone into batching up syscalls and making as few of them as
> possible because they are a performance bottleneck. You want to introduce a
> syscall for every single individual page of memory allocated or freed.
>
> That's stupid.

I think what I'm optimizing is TLB flushes, not system calls. With
mmap et al, they are effectively the same thing though.

Jeff