diff options
| author |   Thomas Gleixner <tglx@linutronix.de> | 2019-10-15 21:18:12 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2019-12-08 14:37:36 +0100 |
| commit | 923717cbab900fb23b31f16fb31b1d86b09bf702 (patch) | |
| tree | 771a76df9f042d2e7de95e5946fda2861741b56c /mm/memory.c | |
| parent | sched/rt, btrfs: Use CONFIG_PREEMPTION (diff) | |
| download | linux-dev-923717cbab900fb23b31f16fb31b1d86b09bf702.tar.xz linux-dev-923717cbab900fb23b31f16fb31b1d86b09bf702.zip | |
sched/rt, mm: Use CONFIG_PREEMPTION
CONFIG_PREEMPTION is selected by CONFIG_PREEMPT and by CONFIG_PREEMPT_RT.
Both PREEMPT and PREEMPT_RT require the same functionality which today
depends on CONFIG_PREEMPT.
Switch the pte_unmap_same() and SLUB code over to use CONFIG_PREEMPTION.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Chistoph Lameter <cl@linux.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-mm@kvack.org
Link: https://lore.kernel.org/r/20191015191821.11479-26-bigeasy@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | mm/memory.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memory.c b/mm/memory.c index 513c3ecc76ee..d56883c220f4 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2151,7 +2151,7 @@ static inline int pte_unmap_same(struct mm_struct *mm, pmd_t *pmd, pte_t *page_table, pte_t orig_pte) { int same = 1; -#if defined(CONFIG_SMP) || defined(CONFIG_PREEMPT) +#if defined(CONFIG_SMP) || defined(CONFIG_PREEMPTION) if (sizeof(pte_t) > sizeof(unsigned long)) { spinlock_t *ptl = pte_lockptr(mm, pmd); spin_lock(ptl); |