Messages in this thread | | | Date | Wed, 4 Sep 2019 19:31:31 +0000 | From | Christopher Lameter <> | Subject | Re: [PATCH v2 2/2] mm, sl[aou]b: guarantee natural alignment for kmalloc(power-of-two) |
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On Tue, 3 Sep 2019, Matthew Wilcox wrote
> > Its enabled in all full debug session as far as I know. Fedora for > > example has been running this for ages to find breakage in device drivers > > etc etc. > > Are you telling me nobody uses the ramdisk driver on fedora? Because > that's one of the affected drivers.
How do I know? I dont run these tests.
> > decade now) I am having a hard time believing the stories of great > > breakage here. These drivers were not tested with debugging on before? > > Never ran with a debug kernel? > > Whatever is being done is clearly not enough to trigger the bug. So how > about it? Create an option to slab/slub to always return misaligned > memory.
It already exists
Add "slub_debug" on the kernel command line.
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