Hi, Ralf,
This series is bugfix for Loongson, please merge it if no problem.
Huacai
On Thu, Mar 17, 2016 at 8:37 PM, Huacai Chen <chenhc@xxxxxxxxxx> wrote:
> After commit 92923ca3aacef63c92d ("mm: meminit: only set page reserved
> in the memblock region"), the MIPS hibernation is broken. Because pages
> in nosave data section should be "reserved", but currently they aren't
> set to "reserved" at initialization. This patch makes hibernation work
> again.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Huacai Chen <chenhc@xxxxxxxxxx>
> ---
> arch/mips/kernel/setup.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
> index 4f60734..d20caac 100644
> --- a/arch/mips/kernel/setup.c
> +++ b/arch/mips/kernel/setup.c
> @@ -706,6 +706,9 @@ static void __init arch_mem_init(char **cmdline_p)
> for_each_memblock(reserved, reg)
> if (reg->size != 0)
> reserve_bootmem(reg->base, reg->size, BOOTMEM_DEFAULT);
> +
> + reserve_bootmem_region(__pa_symbol(&__nosave_begin),
> + __pa_symbol(&__nosave_end)); /* Reserve for hibernation */
> }
>
> static void __init resource_init(void)
> --
> 2.7.0
>
>
>
>
>
