Re: [PATCH] Use MPOL_INTERLEAVE for tmpfs files

[Dave Hansen]

Brent Casavant wrote:
> This patch causes memory allocation for tmpfs files to be distributed
> evenly across NUMA machines.  In most circumstances today, tmpfs files
> will be allocated on the same node as the task writing to the file.
> In many cases, particularly when large files are created, or a large
> number of files are created by a single task, this leads to a severe
> imbalance in free memory amongst nodes.  This patch corrects that
> situation.

Why don't you just use the NUMA API in your application for this?  Won't 
this hurt any application that uses tmpfs and never leaves a node in its 
lifetime, like a short gcc run?
-
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/