On Fri, Dec 26, 2014 at 04:52:10PM +0000, Min-Hua Chen wrote: > In /proc/vmallocinfo, it's good to show the physical address > of each ioremap in vmallocinfo. Add physical address information > in arm64 ioremap. > > 0xffffc900047f2000-0xffffc900047f4000 8192 _nv013519rm+0x57/0xa0 > [nvidia] phys=f8100000 ioremap > 0xffffc900047f4000-0xffffc900047f6000 8192 _nv013519rm+0x57/0xa0 > [nvidia] phys=f8008000 ioremap > 0xffffc90004800000-0xffffc90004821000 135168 e1000_probe+0x22c/0xb95 > [e1000e] phys=f4300000 ioremap > 0xffffc900049c0000-0xffffc900049e1000 135168 _nv013521rm+0x4d/0xd0 > [nvidia] phys=e0140000 ioremap > > Signed-off-by: Min-Hua Chen <[email protected]> > ---
Thanks, this looks useful for debugging. Acked-by: Will Deacon <[email protected]> I assume this can wait for 3.20? Will > arch/arm64/mm/ioremap.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/mm/ioremap.c b/arch/arm64/mm/ioremap.c > index cbb99c8..01e88c8 100644 > --- a/arch/arm64/mm/ioremap.c > +++ b/arch/arm64/mm/ioremap.c > @@ -62,6 +62,7 @@ static void __iomem *__ioremap_caller(phys_addr_t > phys_addr, size_t size, > if (!area) > return NULL; > addr = (unsigned long)area->addr; > + area->phys_addr = phys_addr; > > err = ioremap_page_range(addr, addr + size, phys_addr, prot); > if (err) { > -- > 1.7.10.4 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
