[lkml]   [2002]   [Mar]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [Lse-tech] 7.52 second kernel compile
On Sun, Mar 17, 2002 at 11:34:34PM +1100, Anton Blanchard wrote:
> > And this *without* the dcache_lock? Hmm. So you are saying there
> > may still be room for improvement?
> I tried the dcache lock patches but found it hard to see a difference,
> for us the mm stuff still seems to be the bottleneck.

Try the patch which gets rid of the BKL in ext2_get_block() --- if you
don't have that, let me know, I've got one kicking around that mostly
works except I haven't validated that it does the right thing if
quotas are enabled. If you're running with a cold page cache, I
suspect that will help out much more. If the numbers are assuming a
page-cache already preloaded with then getting rid of the BKL in
ext2_get_block() will help somewhat, but maybe not enough to be

- Ted
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 13:25    [W:0.184 / U:3.036 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site