| Message ID | 20220407103251.1209606-8-anshuman.khandual@arm.com |
|---|---|
| State | New |
| Headers | show |
| Series | mm/mmap: Drop arch_vm_get_page_prot() and arch_filter_pgprot() | expand |
On Thu, Apr 07, 2022 at 04:02:51PM +0530, Anshuman Khandual wrote: > There are no platforms left which use arch_vm_get_page_prot(). Just drop > generic arch_vm_get_page_prot(). > > Cc: Andrew Morton <akpm@linux-foundation.org> > Cc: linux-mm@kvack.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
diff --git a/include/linux/mman.h b/include/linux/mman.h index b66e91b8176c..58b3abd457a3 100644 --- a/include/linux/mman.h +++ b/include/linux/mman.h @@ -93,10 +93,6 @@ static inline void vm_unacct_memory(long pages) #define arch_calc_vm_flag_bits(flags) 0 #endif -#ifndef arch_vm_get_page_prot -#define arch_vm_get_page_prot(vm_flags) __pgprot(0) -#endif - #ifndef arch_validate_prot /* * This is called from mprotect(). PROT_GROWSDOWN and PROT_GROWSUP have diff --git a/mm/mmap.c b/mm/mmap.c index edf2a5e38f4d..db7f33154206 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -110,8 +110,7 @@ pgprot_t protection_map[16] __ro_after_init = { pgprot_t vm_get_page_prot(unsigned long vm_flags) { pgprot_t ret = __pgprot(pgprot_val(protection_map[vm_flags & - (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]) | - pgprot_val(arch_vm_get_page_prot(vm_flags))); + (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)])); return ret; }
There are no platforms left which use arch_vm_get_page_prot(). Just drop generic arch_vm_get_page_prot(). Cc: Andrew Morton <akpm@linux-foundation.org> Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> --- include/linux/mman.h | 4 ---- mm/mmap.c | 3 +-- 2 files changed, 1 insertion(+), 6 deletions(-)