Re: [PATCH] mm: tracking dirty pages -v6

From: Linus Torvalds
Date: Thu Jun 08 2006 - 16:19:59 EST




On Thu, 8 Jun 2006, Nate Diller wrote:
>
> Does this mean that processes dirtying pages via mmap are now subject
> to write throttling? That could dramatically change the performance
> for tasks with a working set larger than 10% of memory.

Exactly. Except it's not a "working set", it's a "dirty set".

Which is the whole (and only) point of the whole patch.

If you want to live on the edge, you can set the dirty_balance trigger to
something much higher, it's entirely configurable if I remember correctly.

Linus
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