Hi Michal On Wed, Oct 23, 2019 at 09:59:40AM +0200, Michal Simek wrote: > Hi, > > > On 22. 10. 19 10:19, Alvaro Gamez Machado wrote: > > Signed-off-by: Alvaro Gamez Machado <alvaro.ga...@hazent.com> > > please put there reasonable description to commit message.
Ok, will use those below as template. > > --- > > arch/microblaze/mm/init.c | 5 +++++ > > 1 file changed, 5 insertions(+) > > > > diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c > > index a015a951c8b7..928c5c2816e4 100644 > > --- a/arch/microblaze/mm/init.c > > +++ b/arch/microblaze/mm/init.c > > @@ -17,6 +17,8 @@ > > #include <linux/slab.h> > > #include <linux/swap.h> > > #include <linux/export.h> > > +#include <linux/of_fdt.h> > > +#include <linux/of.h> > > of_fdt.h should be enough. Ok > > > > #include <asm/page.h> > > #include <asm/mmu_context.h> > > @@ -188,6 +190,9 @@ void __init setup_memory(void) > > > > void __init mem_init(void) > > { > > + early_init_fdt_reserve_self(); > > + early_init_fdt_scan_reserved_mem(); > > + > > high_memory = (void *)__va(memory_start + lowmem_size - 1); > > > > /* this will put all memory onto the freelists */ > > > > > Also I have looked at others arch and take a look at > > 1b10cb21d888c021bedbe678f7c26aee1bf04ffa > ARC: add support for reserved memory defined by device tree > > where they also enable OF_RESERVED_MEM to call fdt_init_reserve_mem() > > The same here > 4e7c84ec045921dacc78d36295e2e61390249665 > xtensa: support reserved-memory DT node > > and here > 9bf14b7c540ae9ca7747af3a0c0d8470ef77b6ce > arm64: add support for reserved memory defined by device tree > They did that at the time, but it seems it's not needed anymore: 34e04eedd1cf1be714abb0e5976338cc72ccc05f of: select OF_RESERVED_MEM automatically This commit removed those select OF_RESERVED_MEM lines. Is it needed specifically for microblaze? I didn't need to do that in order for reserved-memory entries to work on my platform. Thanks! > Please note this in commit message. > > Thanks, > Michal > > > -- > Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91 > w: www.monstr.eu p: +42-0-721842854 > Maintainer of Linux kernel - Xilinx Microblaze > Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs > U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs > -- Alvaro G. M.