diff options
| author | Anshuman Khandual <anshuman.khandual@arm.com> | 2022-04-29 08:16:13 +0200 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-04-29 08:16:13 +0200 |
| commit | 5dcfc6a1cc53ea0859de98a7380933f9e779859d (patch) | |
| tree | 39c43ad97bb8cf72fc1d72286b29be54001c086d /mm/mmap.c | |
| parent | x86/mm: enable ARCH_HAS_VM_GET_PAGE_PROT (diff) | |
| download | linux-5dcfc6a1cc53ea0859de98a7380933f9e779859d.tar.xz linux-5dcfc6a1cc53ea0859de98a7380933f9e779859d.zip | |
mm/mmap: drop arch_filter_pgprot()
There are no platforms left which subscribe ARCH_HAS_FILTER_PGPROT. Hence
drop generic arch_filter_pgprot() and also config ARCH_HAS_FILTER_PGPROT.
Link: https://lkml.kernel.org/r/20220414062125.609297-7-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Khalid Aziz <khalid.aziz@oracle.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/mmap.c')
| -rw-r--r-- | mm/mmap.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index c1376ce34316..defc5af46973 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -121,20 +121,11 @@ pgprot_t protection_map[16] __ro_after_init = { }; #ifndef CONFIG_ARCH_HAS_VM_GET_PAGE_PROT -#ifndef CONFIG_ARCH_HAS_FILTER_PGPROT -static inline pgprot_t arch_filter_pgprot(pgprot_t prot) -{ - return prot; -} -#endif - 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)]) | + return __pgprot(pgprot_val(protection_map[vm_flags & + (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]) | pgprot_val(arch_vm_get_page_prot(vm_flags))); - - return arch_filter_pgprot(ret); } EXPORT_SYMBOL(vm_get_page_prot); #endif /* CONFIG_ARCH_HAS_VM_GET_PAGE_PROT */ |