diff options
| author | Kirill A. Shutemov <[email protected]> | 2014-08-06 16:08:07 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2014-08-06 18:01:22 -0700 |
| commit | 3a91053aebb23205caf67927be00c54cef6424b3 (patch) | |
| tree | 5ad698d735a0513f1a3e918a4696a5931cafdd55 | |
| parent | aecd6f44266c13b8709245b21ded2d19291ab070 (diff) | |
mm: mark fault_around_bytes __read_mostly
fault_around_bytes can only be changed via debugfs. Let's mark it
read-mostly.
Signed-off-by: Kirill A. Shutemov <[email protected]>
Suggested-by: David Rientjes <[email protected]>
Acked-by: David Rientjes <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Andrey Ryabinin <[email protected]>
Cc: Sasha Levin <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/memory.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/memory.c b/mm/memory.c index dc47261c4686..5596d77e8656 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2766,7 +2766,8 @@ void do_set_pte(struct vm_area_struct *vma, unsigned long address, update_mmu_cache(vma, address, pte); } -static unsigned long fault_around_bytes = rounddown_pow_of_two(65536); +static unsigned long fault_around_bytes __read_mostly = + rounddown_pow_of_two(65536); #ifdef CONFIG_DEBUG_FS static int fault_around_bytes_get(void *data, u64 *val) |