[lkml]   [2005]   [Jul]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: RFC: Hugepage COW
On Thu, 7 Jul 2005, David Gibson wrote:

> Now that the hugepage code has been consolidated across the
> architectures, it becomes much easier to implement copy-on-write.
> Hugepage COW is of limited utility of itself, however, it is
> essentially a prerequisite for any of a number of methods of allowing
> userland programs to automatically use hugepages without code changes
> e.g. hugepage malloc() libraries, implicit hugepage mmap(), hugepage
> ELF segments. For certain applications (particularly enormous HPC
> FORTRAN programs), these can result in a large performance
> improvement.
> Thoughts? Flames?

Great stuff. I am glad that you are cleaning up the hugepages and are
making progress improving them. What are your thoughts on implementing
fault handling for huge pages?

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-07-14 19:30    [W:0.064 / U:3.116 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site