On Thu, 2011-05-12 at 20:11 +0300, Pekka Enberg wrote: > On Thu, May 12, 2011 at 8:06 PM, Pekka Enberg <penberg@xxxxxxxxxx> wrote: > > On Thu, May 12, 2011 at 7:30 PM, James Bottomley > > <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> wrote: > >> So suggest an alternative root cause and a test to expose it. > > > > Is your .config available somewhere, btw? > > If it's this: > > http://pkgs.fedoraproject.org/gitweb/?p=kernel.git;a=blob_plain;f=config-x86_64-generic;hb=HEAD > > I'd love to see what happens if you disable > > CONFIG_TRANSPARENT_HUGEPAGE=y > > because that's going to reduce high order allocations as well, no? So yes, it's a default FC15 config. Disabling THP was initially tried a long time ago and didn't make a difference (it was originally suggested by Chris Mason). James -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
