On Wed, 3 Feb 2016, Christian Borntraeger wrote: > We can use debug_pagealloc_enabled() to check if we can map > the identity mapping with 2MB pages. We can also add the state > into the dump_stack output. > > The patch does not touch the code for the 1GB pages, which ignored > CONFIG_DEBUG_PAGEALLOC. Do we need to fence this as well? >
I think it would be an extension of the debug_pagealloc= functionality and can certainly be introduced if someone is inclined. > Signed-off-by: Christian Borntraeger <[email protected]> > Reviewed-by: Thomas Gleixner <[email protected]> Acked-by: David Rientjes <[email protected]>
