Re: [PATCH RFC] arm64/mm: handle memmap kernel option

2017-02-27 Thread Mark Rutland
Hi, On Mon, Feb 27, 2017 at 11:48:50AM +0800, Yisheng Xie wrote: > On 2017/2/26 18:46, Ard Biesheuvel wrote: > > On 25 February 2017 at 06:47, Yisheng Xie wrote: > >> To make user reserve memory for some specific use more convenient, > >> this patch implement the following memmap variants: > >>

Re: [PATCH RFC] arm64/mm: handle memmap kernel option

2017-02-27 Thread Ard Biesheuvel
On 27 February 2017 at 10:24, Yisheng Xie wrote: > hi Mark, > > Thanks for comment > On 2017/2/27 16:48, Mark Rutland wrote: >> Hi, >> >> On Mon, Feb 27, 2017 at 11:48:50AM +0800, Yisheng Xie wrote: >>> On 2017/2/26 18:46, Ard Biesheuvel wrote: On 25 February 2017 at 06:47, Yisheng Xie wrote

Re: [PATCH RFC] arm64/mm: handle memmap kernel option

2017-02-27 Thread Yisheng Xie
hi Mark, Thanks for comment On 2017/2/27 16:48, Mark Rutland wrote: > Hi, > > On Mon, Feb 27, 2017 at 11:48:50AM +0800, Yisheng Xie wrote: >> On 2017/2/26 18:46, Ard Biesheuvel wrote: >>> On 25 February 2017 at 06:47, Yisheng Xie wrote: > To make user reserve memory for some specific use m

Re: [PATCH RFC] arm64/mm: handle memmap kernel option

2017-02-26 Thread Yisheng Xie
Hi Ard, Thanks for comment. On 2017/2/26 18:46, Ard Biesheuvel wrote: > On 25 February 2017 at 06:47, Yisheng Xie wrote: >> When use device tree mode, user can reserve memory by changes the dts, >> however, when boot with ACPI, user cannot reserve memory except by >> changing the ACPI table in BI

Re: [PATCH RFC] arm64/mm: handle memmap kernel option

2017-02-26 Thread Ard Biesheuvel
On 25 February 2017 at 06:47, Yisheng Xie wrote: > When use device tree mode, user can reserve memory by changes the dts, > however, when boot with ACPI, user cannot reserve memory except by > changing the ACPI table in BIOS, which is not so convenient. > > To make user reserve memory for some spe

[PATCH RFC] arm64/mm: handle memmap kernel option

2017-02-24 Thread Yisheng Xie
When use device tree mode, user can reserve memory by changes the dts, however, when boot with ACPI, user cannot reserve memory except by changing the ACPI table in BIOS, which is not so convenient. To make user reserve memory for some specific use more convenient, this patch implement the followi