[lkml]   [2001]   [Sep]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Locking comment on shrink_caches()
On Tue, Sep 25, 2001 at 01:29:05PM -0700, David S. Miller wrote:
> Well, there are two things happing in that patch. Per-hash chain
> locks for the page cache itself, and the lock added to the address
> space for that page list.

Last time I looked, those patches made the already ugly vm locking
even worse. I'd rather try to use some of the rcu techniques for
page cache lookup, and per-page locking for page cache removal
which will lead to *cleaner* code as well as a much more scalable

Keep in mind that just because a lock is on someone's hitlist doesn't
mean that it is for the right reasons. Look at the io_request_lock
that is held around the bounce buffer copies in the scsi midlayer.

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: 2005-03-22 13:17    [W:0.097 / U:0.804 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site