On 2/19/19 12:04 PM, jglisse@redhat.com wrote:
From: Jérôme Glisse jglisse@redhat.com
Use an unsigned field for flags other than blockable and convert the blockable field to be one of those flags.
Signed-off-by: Jérôme Glisse jglisse@redhat.com Cc: Christian König christian.koenig@amd.com Cc: Joonas Lahtinen joonas.lahtinen@linux.intel.com Cc: Jani Nikula jani.nikula@linux.intel.com Cc: Rodrigo Vivi rodrigo.vivi@intel.com Cc: Jan Kara jack@suse.cz Cc: Andrea Arcangeli aarcange@redhat.com Cc: Peter Xu peterx@redhat.com Cc: Felix Kuehling Felix.Kuehling@amd.com Cc: Jason Gunthorpe jgg@mellanox.com Cc: Andrew Morton akpm@linux-foundation.org Cc: Ross Zwisler zwisler@kernel.org Cc: Dan Williams dan.j.williams@intel.com Cc: Paolo Bonzini pbonzini@redhat.com Cc: Radim Krčmář rkrcmar@redhat.com Cc: Michal Hocko mhocko@kernel.org Cc: Christian Koenig christian.koenig@amd.com Cc: Ralph Campbell rcampbell@nvidia.com Cc: John Hubbard jhubbard@nvidia.com Cc: kvm@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: linux-rdma@vger.kernel.org Cc: Arnd Bergmann arnd@arndb.de
include/linux/mmu_notifier.h | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h index e630def131ce..c8672c366f67 100644 --- a/include/linux/mmu_notifier.h +++ b/include/linux/mmu_notifier.h @@ -25,11 +25,13 @@ struct mmu_notifier_mm { spinlock_t lock; };
+#define MMU_NOTIFIER_RANGE_BLOCKABLE (1 << 0)
- struct mmu_notifier_range { struct mm_struct *mm; unsigned long start; unsigned long end;
- bool blockable;
unsigned flags; };
struct mmu_notifier_ops {
@@ -229,7 +231,7 @@ extern void __mmu_notifier_invalidate_range(struct mm_struct *mm, static inline bool mmu_notifier_range_blockable(const struct mmu_notifier_range *range) {
- return range->blockable;
return (range->flags & MMU_NOTIFIER_RANGE_BLOCKABLE); }
static inline void mmu_notifier_release(struct mm_struct *mm)
@@ -275,7 +277,7 @@ static inline void mmu_notifier_invalidate_range_start(struct mmu_notifier_range *range) { if (mm_has_notifiers(range->mm)) {
range->blockable = true;
range->flags |= MMU_NOTIFIER_RANGE_BLOCKABLE;@@ -284,7 +286,7 @@ static inline int mmu_notifier_invalidate_range_start_nonblock(struct mmu_notifier_range *range) { if (mm_has_notifiers(range->mm)) {
range->blockable = false;
range->flags &= ~MMU_NOTIFIER_RANGE_BLOCKABLE;@@ -331,6 +333,7 @@ static inline void mmu_notifier_range_init(struct mmu_notifier_range *range, range->mm = mm; range->start = start; range->end = end;
range->flags = 0; }
#define ptep_clear_flush_young_notify(__vma, __address, __ptep) \
Reviewed-by: Ralph Campbell rcampbell@nvidia.com