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| author | Thomas Gleixner <tglx@linutronix.de> | 2018-05-02 16:11:12 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-05-02 16:11:12 +0200 |
| commit | 604a98f1df2897f9ea6ca6bdab8e1c2d6844be01 (patch) | |
| tree | 99471700986d14cd5cace3e535dfcbd0e07464cb /mm/mmap.c | |
| parent | 1cfd904f16740df21b2df7b41c7a0dc00cbd434c (diff) | |
| parent | 7dba33c6346c337aac3f7cd188137d4a6d3d1f3a (diff) | |
Merge branch 'timers/urgent' into timers/core
Pick up urgent fixes to apply dependent cleanup patch
Diffstat (limited to 'mm/mmap.c')
| -rw-r--r-- | mm/mmap.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index 188f195883b9..9d5968d1e8e3 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -100,11 +100,20 @@ pgprot_t protection_map[16] __ro_after_init = { __S000, __S001, __S010, __S011, __S100, __S101, __S110, __S111 }; +#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) { - return __pgprot(pgprot_val(protection_map[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))); + + return arch_filter_pgprot(ret); } EXPORT_SYMBOL(vm_get_page_prot); |