Messages in this thread | | | Date | Wed, 9 Aug 2006 13:38:30 -0400 | From | Dave Jones <> | Subject | Re: + sys_getppid-oopses-on-debug-kernel.patch added to -mm tree |
| |
On Wed, Aug 09, 2006 at 12:12:49PM +0400, Kirill Korotaev wrote: > > > >>Even without getting into just how ugly this is, is it really worth > > > >>it? > > > it is impossible to run debug kernels w/o this patch :/ > > > or are you asking whether this optimization worth it? > > > > > > What makes me worry is that this is a sign that vendors > > > don't even bother to run debug kernels :(((( > > > > Fedora rawhide is nearly always shipping with DEBUG_SLAB enabled, > > and we didn't hit this once. Are you sure this is a problem > > with DEBUG_SLAB, and not DEBUG_PAGEALLOC ? > Sorry, it's my fault. Surely, CONFIG_DEBUG_PAGEALLOC.
Then you're correct, vendors rarely turn this on :) I do sometimes if I'm trying to chase down something particularly difficult, and it usually gets me a bunch of mail from users asking why 'everything got all slow', so it's a last-resort option rather than a 'on all the time' option.
Dave
-- http://www.codemonkey.org.uk - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |