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authorDave Hansen <[email protected]>2016-02-12 13:02:31 -0800
committerIngo Molnar <[email protected]>2016-02-18 19:46:30 +0100
commite6bfb70959a0ca6ddedb29e779a293c6f71ed0e7 (patch)
tree4963f9d32c549b5c691f0e9eaf87cb50990590f5 /include/linux
parent0697694564c84f4c9320e5d103d0191297a20023 (diff)
mm/core, arch, powerpc: Pass a protection key in to calc_vm_flag_bits()
This plumbs a protection key through calc_vm_flag_bits(). We could have done this in calc_vm_prot_bits(), but I did not feel super strongly which way to go. It was pretty arbitrary which one to use. Signed-off-by: Dave Hansen <[email protected]> Reviewed-by: Thomas Gleixner <[email protected]> Cc: Andrea Arcangeli <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Arve Hjønnevåg <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Brian Gerst <[email protected]> Cc: Chen Gang <[email protected]> Cc: Dan Williams <[email protected]> Cc: Dave Chinner <[email protected]> Cc: Dave Hansen <[email protected]> Cc: David Airlie <[email protected]> Cc: Denys Vlasenko <[email protected]> Cc: Eric W. Biederman <[email protected]> Cc: Geliang Tang <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Kirill A. Shutemov <[email protected]> Cc: Konstantin Khlebnikov <[email protected]> Cc: Leon Romanovsky <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Masahiro Yamada <[email protected]> Cc: Maxime Coquelin <[email protected]> Cc: Mel Gorman <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Oleg Nesterov <[email protected]> Cc: Paul Gortmaker <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Riley Andrews <[email protected]> Cc: Vladimir Davydov <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/mman.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/mman.h b/include/linux/mman.h
index 16373c8f5f57..33e17f6a327a 100644
--- a/include/linux/mman.h
+++ b/include/linux/mman.h
@@ -35,7 +35,7 @@ static inline void vm_unacct_memory(long pages)
*/
#ifndef arch_calc_vm_prot_bits
-#define arch_calc_vm_prot_bits(prot) 0
+#define arch_calc_vm_prot_bits(prot, pkey) 0
#endif
#ifndef arch_vm_get_page_prot
@@ -70,12 +70,12 @@ static inline int arch_validate_prot(unsigned long prot)
* Combine the mmap "prot" argument into "vm_flags" used internally.
*/
static inline unsigned long
-calc_vm_prot_bits(unsigned long prot)
+calc_vm_prot_bits(unsigned long prot, unsigned long pkey)
{
return _calc_vm_trans(prot, PROT_READ, VM_READ ) |
_calc_vm_trans(prot, PROT_WRITE, VM_WRITE) |
_calc_vm_trans(prot, PROT_EXEC, VM_EXEC) |
- arch_calc_vm_prot_bits(prot);
+ arch_calc_vm_prot_bits(prot, pkey);
}
/*