Message ID | 87o9vauvyk.fsf@concordia.ellerman.id.au (mailing list archive) |
---|---|
State | Accepted |
Commit | 6deb6b474bda4d2d3fbee066f20561d3dc7f8b30 |
Headers | show |
On 05/03/2017 03:02 PM, Michael Ellerman wrote: > Anshuman Khandual <khandual@linux.vnet.ibm.com> writes: > >> This is a trivial fix patch regarding mapped ranges in radix MMU >> environment during boot. No functional change. >> >> Before the patch: >> >> $dmesg | grep Mapped >> [ 0.000000] Mapped range 0x0 - 0x2000000000 with 0x40000000 >> [ 0.000000] Mapped range 0x200000000000 - 0x202000000000 with 0x40000000 >> >> After the patch: >> >> $dmesg | grep Mapped >> [ 0.000000] Mapped range 0x0000000000000000 - 0x0000002000000000 with 1024 MB >> [ 0.000000] Mapped range 0x0000200000000000 - 0x0000202000000000 with 1024 MB > > It's a bit better, how about this instead? Yeah this is better, I had tried to fix it in place.
On Wed, 2017-05-03 at 09:32:35 UTC, Michael Ellerman wrote: > diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c > index c28165d8970b..519cfef569d1 100644 > --- a/arch/powerpc/mm/pgtable-radix.c > +++ b/arch/powerpc/mm/pgtable-radix.c > @@ -8,9 +8,14 @@ > * as published by the Free Software Foundation; either version > * 2 of the License, or (at your option) any later version. > */ > + > +#define pr_fmt(fmt) "radix-mmu: " fmt > + > +#include <linux/kernel.h> > #include <linux/sched/mm.h> > #include <linux/memblock.h> > #include <linux/of_fdt.h> > +#include <linux/string_helpers.h> > > #include <asm/pgtable.h> > #include <asm/pgalloc.h> > @@ -112,10 +117,14 @@ static inline void __meminit print_mapping(unsigned long start, > unsigned long end, > unsigned long size) > { > + char buf[10]; > + > if (end <= start) > return; > > - pr_info("Mapped range 0x%lx - 0x%lx with 0x%lx\n", start, end, size); > + string_get_size(size, 1, STRING_UNITS_2, buf, sizeof(buf)); > + > + pr_info("Mapped 0x%016lx-0x%016lx with %s pages\n", start, end, buf); > } > > static int __meminit create_physical_mapping(unsigned long start, Applied to powerpc next. https://git.kernel.org/powerpc/c/6deb6b474bda4d2d3fbee066f20561 cheers
diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c index c28165d8970b..519cfef569d1 100644 --- a/arch/powerpc/mm/pgtable-radix.c +++ b/arch/powerpc/mm/pgtable-radix.c @@ -8,9 +8,14 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ + +#define pr_fmt(fmt) "radix-mmu: " fmt + +#include <linux/kernel.h> #include <linux/sched/mm.h> #include <linux/memblock.h> #include <linux/of_fdt.h> +#include <linux/string_helpers.h> #include <asm/pgtable.h> #include <asm/pgalloc.h> @@ -112,10 +117,14 @@ static inline void __meminit print_mapping(unsigned long start, unsigned long end, unsigned long size) { + char buf[10]; + if (end <= start) return; - pr_info("Mapped range 0x%lx - 0x%lx with 0x%lx\n", start, end, size); + string_get_size(size, 1, STRING_UNITS_2, buf, sizeof(buf)); + + pr_info("Mapped 0x%016lx-0x%016lx with %s pages\n", start, end, buf); } static int __meminit create_physical_mapping(unsigned long start,