[lkml]   [2006]   [Jun]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] mm: tracking dirty pages -v6
On 6/8/06, Peter Zijlstra <> wrote:
> From: Peter Zijlstra <>
> People expressed the need to track dirty pages in shared mappings.
> Linus outlined the general idea of doing that through making clean
> writable pages write-protected and taking the write fault.
> This patch does exactly that, it makes pages in a shared writable
> mapping write-protected. On write-fault the pages are marked dirty and
> made writable. When the pages get synced with their backing store, the
> write-protection is re-instated.

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.

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: 2006-06-08 22:13    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean