Re: [PATCH V4 00/26] mm/mmap: Drop __SXXX/__PXXX macros from across platforms
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
- To: Anshuman Khandual <anshuman.khandual@xxxxxxx>
- Subject: Re: [PATCH V4 00/26] mm/mmap: Drop __SXXX/__PXXX macros from across platforms
- From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
- Date: Thu, 23 Jun 2022 22:21:44 -0700
- Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, linux-mm@xxxxxxxxx, christophe.leroy@xxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, linuxppc-dev@xxxxxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, openrisc@xxxxxxxxxxxxxxxxxxxx, linux-xtensa@xxxxxxxxxxxxxxxx, linux-csky@xxxxxxxxxxxxxxx, linux-hexagon@xxxxxxxxxxxxxxx, linux-parisc@xxxxxxxxxxxxxxx, linux-alpha@xxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linux-m68k@xxxxxxxxxxxxxxx, linux-snps-arc@xxxxxxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-um@xxxxxxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
- In-reply-to: <33bdac1e-207a-192b-bf43-818abfa49fe1@arm.com>
- References: <20220624044339.1533882-1-anshuman.khandual@arm.com> <YrVHvv0spuMsC1In@infradead.org> <33bdac1e-207a-192b-bf43-818abfa49fe1@arm.com>
On Fri, Jun 24, 2022 at 10:50:33AM +0530, Anshuman Khandual wrote:
> > On most architectures this should be const now, only very few ever
> > modify it.
>
> Will make it a 'static const pgprot_t protection_map[16] __ro_after_init'
> on platforms that do not change the protection_map[] even during boot.
No need for __ro_after_init when it is already declarated const.
[Index of Archives]
[Linux Kernel]
[Sparc Linux]
[DCCP]
[Linux ARM]
[Yosemite News]
[Linux SCSI]
[Linux x86_64]
[Linux for Ham Radio]
