Palmer Dabbelt <[email protected]> writes: > On Thu, 08 Mar 2018 11:14:52 PST (-0800), [email protected] wrote: >> Hi Palmer, >> >> Palmer Dabbelt <[email protected]> writes: >> >>> On Tue, 20 Feb 2018 05:50:43 PST (-0800), [email protected] wrote: >>>> Signed-off-by: Shea Levy <[email protected]> >>>> --- >>>> arch/riscv/mm/init.c | 6 ++++++ >>>> 1 file changed, 6 insertions(+) >>>> >>>> diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c >>>> index c77df8142be2..1c832b541e95 100644 >>>> --- a/arch/riscv/mm/init.c >>>> +++ b/arch/riscv/mm/init.c >>>> @@ -66,5 +66,11 @@ void free_initmem(void) >>>> #ifdef CONFIG_BLK_DEV_INITRD >>>> void free_initrd_mem(unsigned long start, unsigned long end) >>>> { >>>> + if (start == initrd_start) >>>> + start = round_down(start, PAGE_SIZE); >>>> + if (end == initrd_end) >>>> + end = round_up(end, PAGE_SIZE); >>>> + >>>> + free_reserved_area((void *)start, (void *)end, -1, "initrd"); >>>> } >>>> #endif /* CONFIG_BLK_DEV_INITRD */ >>> >>> It looks like everyone is doing something slightly different here: >>> >>> * arm64 doesn't round to a page size, and has keep_initrd. >>> * arm calls poison_init_mem(), and has keep_initrd. >>> * sparc64 doesn't round, and doesn't have a keep_initrd. >>> * mips doesn't round, and doesn't have a keep_initrd. >>> * x86 rounds end to a page size but not start, and doesn't have a >>> keep_initrd. >>> >>> It feels like this should be something generic. I'm adding linux-kernel to >>> see >>> what people think. >> >> Should I try to whip up something generic? > > I think that'd be best. Nobody has said anything specific, but it's > generally > been suggested to take bits that we copy into our port and make them generic. > > If there's no clean way do to so then I'm OK taking this, though.
OK, will add it to my queue.
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