Hi Chris,
On Fri, Feb 15, 2019 at 5:14 PM Chris Brandt <[email protected]> wrote:
> I just noticed this yesterday and I can't seem to figure it out.
>
> In linux-4.14, vmallocinfo looked like this:
>
> $ cat /proc/vmallocinfo
> 0xc2800000-0xc2802000 8192 of_iomap+0x19/0x22 phys=0xe8201000 ioremap
> 0xc2802000-0xc2804000 8192 of_iomap+0x19/0x22 phys=0xe8202000 ioremap
> 0xc2804000-0xc2806000 8192 l2x0_of_init+0x3f/0x174 phys=0x3ffff000 ioremap
> 0xc2806000-0xc2808000 8192 of_iomap+0x19/0x22 phys=0xfcfe0000 ioremap
> 0xc2808000-0xc280a000 8192 unpurged vm_area
> 0xc280a000-0xc280c000 8192 unpurged vm_area
> 0xc280c000-0xc280e000 8192 of_iomap+0x19/0x22 phys=0xfcfe0000 ioremap
> 0xc280e000-0xc2810000 8192 of_iomap+0x19/0x22 phys=0xfcfe0000 ioremap
> 0xc2810000-0xc2812000 8192 of_iomap+0x19/0x22 phys=0xfcfe0000 ioremap
>
>
> However as of linux-4.15, it now looks like this:
>
> $ cat /proc/vmallocinfo
> 0x2423e1ec-0x1d348857 8192 of_iomap+0x19/0x22 phys=0xe8201000 ioremap
> 0x1d348857-0x52c37840 8192 of_iomap+0x19/0x22 phys=0xe8202000 ioremap
> 0x52c37840-0x402f3b08 8192 l2x0_of_init+0x3f/0x174 phys=0x3ffff000 ioremap
> 0x402f3b08-0x06d553ef 8192 of_iomap+0x19/0x22 phys=0xfcfe0000 ioremap
> 0x06d553ef-0xf6dfcceb 8192 unpurged vm_area
> 0xf6dfcceb-0xd99b6570 8192 unpurged vm_area
> 0xd99b6570-0xa32d8fae 8192 of_iomap+0x19/0x22 phys=0xfcfe0000 ioremap
> 0xa32d8fae-0xffd15855 8192 of_iomap+0x19/0x22 phys=0xfcfe0000 ioremap
> 0xffd15855-0x9d2cc6ea 8192 of_iomap+0x19/0x22 phys=0xfcfe0000 ioremap
>
>
> The virtual addresses are all wrong!
>
> I can't seem to find any patches or code changes that would explain this.
>
> Does anyone have an idea why it now looks like this?
Please see commit ad67b74d2469d9b8 ("printk: hash addresses printed with %p").
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
