lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Tue, 17 Nov 2015 10:16:07 +1000 From: Greg Ungerer <gerg@...inux.org> To: Geert Uytterhoeven <geert@...ux-m68k.org>, Sam Creasey <sammy@...my.net>, linux-m68k@...ts.linux-m68k.org Cc: linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 2/4] m68k/mm: m54xx - Add missing initialization of max_pfn Hi Geert, On 15/11/15 21:04, Geert Uytterhoeven wrote: > If max_pfn is not initialized, the various /proc/kpage* files are empty, > and selftests/vm/mlock2-tests will fail. max_pfn is also used by the > block layer to calculate DMA masks. > > Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org> > --- > Compile-tested only. Tested and seems to work fine on MMU ColdFire (I didn't check the actual entries for accuracy - but /proc/kpageflags and /proc/kpagecount look to be reporting correctly now). Tested-by: Greg Ungerer <gerg@...inux.org> Regards Greg ............................. > --- > arch/m68k/coldfire/m54xx.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/m68k/coldfire/m54xx.c b/arch/m68k/coldfire/m54xx.c > index f7836c6a6b60eb24..c32f76791f488ae1 100644 > --- a/arch/m68k/coldfire/m54xx.c > +++ b/arch/m68k/coldfire/m54xx.c > @@ -98,7 +98,7 @@ static void __init mcf54xx_bootmem_alloc(void) > memstart = PAGE_ALIGN(_ramstart); > min_low_pfn = PFN_DOWN(_rambase); > start_pfn = PFN_DOWN(memstart); > - max_low_pfn = PFN_DOWN(_ramend); > + max_pfn = max_low_pfn = PFN_DOWN(_ramend); > high_memory = (void *)_ramend; > > m68k_virt_to_node_shift = fls(_ramend - _rambase - 1) - 6; > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists