On Sat, 31 Mar 2007 11:31:07 -0800 (PST) Christoph Lameter <[EMAIL PROTECTED]> wrote:
> Fixup i386 arch for SLUB support > > i386 arch code currently uses the page struct of slabs for various purposes. > This interferes with slub and so SLUB has been disabled for i386 by setting > ARCH_USES_SLAB_PAGE_STRUCT. > > This patch removes the use of page sized slabs for maintaining pgds and pmds. > > Patch by William Irwin with only very minor modifications by me which are > > 1. Removal of HIGHMEM64G slab caches. It seems that virtualization hosts > require a a full pgd page. > > 2. Add missing virtualization hook. Seems that we need a new way > of serializing paravirt_alloc(). It may need to do its own serialization. > > 3. Remove ARCH_USES_SLAB_PAGE_STRUCT > > Note that this makes things work without debugging on. > The arch still fails to boot properly if full SLUB debugging is on with > a cryptic message: > > CPU: AMD Athlon(tm) 64 Processor 3000+ stepping 00 > Checking 'hlt' instruction... OK. > ACPI: Core revision 20070126 > ACPI: setting ELCR to 0200 (from 1ca0) > BUG: at kernel/sched.c:3417 sub_preempt_count() > [<c0342d43>] _spin_unlock_irq+0x13/0x30 > [<c01160e6>] schedule_tail+0x36/0xd0 > [<c0102df8>] __switch_to+0x28/0x180 > [<c0103f9a>] ret_from_fork+0x6/0x1c > [<c012acf0>] kthread+0x0/0xe0 This all has the potential to make my inbox hurt. Can we disable SLUB on i386 in Kconfig until it gets sorted out? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
