On Thu, Aug 31, 2023 at 11:09:43AM +0200, Ahmad Fatoum wrote: > The TTB area allocated for early MMU is now 64K instead of 16K, yet only > the old 16K were requested to ensure e.g. memtest doesn't touch them. > > Fix this by requesting the full region. > > Fixes: 407ff71a3b5d ("ARM: mmu: alloc 64k for early page tables") > Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> > --- > arch/arm/cpu/mmu_32.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) Applied, thanks Sascha > > diff --git a/arch/arm/cpu/mmu_32.c b/arch/arm/cpu/mmu_32.c > index ebe92969997e..3ed76e30840a 100644 > --- a/arch/arm/cpu/mmu_32.c > +++ b/arch/arm/cpu/mmu_32.c > @@ -561,7 +561,8 @@ void __mmu_init(bool mmu_on) > struct memory_bank *bank; > uint32_t *ttb = get_ttb(); > > - if (!request_sdram_region("ttb", (unsigned long)ttb, SZ_16K)) > + if (!request_sdram_region("ttb", (unsigned long)ttb, > + ARM_EARLY_PAGETABLE_SIZE)) > /* > * This can mean that: > * - the early MMU code has put the ttb into a place > -- > 2.39.2 > > > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |