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authorJason Gunthorpe <jgg@nvidia.com>2022-12-09 15:52:17 -0400
committerJason Gunthorpe <jgg@nvidia.com>2022-12-09 15:52:17 -0400
commitd69e8c63fcbbf695ff7ff2c6d26efead23cfbb3a (patch)
tree4d714ecd331233069ab718989bb017dfd934e129 /include/linux/maple_tree.h
parent6cfe7bd0dfd33033683639039b5608d6534c19eb (diff)
parent76dcd734eca23168cb008912c0f69ff408905235 (diff)
Merge tag 'v6.1-rc8' into rdma.git for-next
For dependencies in following patches Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'include/linux/maple_tree.h')
-rw-r--r--include/linux/maple_tree.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/maple_tree.h b/include/linux/maple_tree.h
index 2effab72add1..e594db58a0f1 100644
--- a/include/linux/maple_tree.h
+++ b/include/linux/maple_tree.h
@@ -638,6 +638,12 @@ static inline void mt_set_in_rcu(struct maple_tree *mt)
}
}
+static inline unsigned int mt_height(const struct maple_tree *mt)
+
+{
+ return (mt->ma_flags & MT_FLAGS_HEIGHT_MASK) >> MT_FLAGS_HEIGHT_OFFSET;
+}
+
void *mt_find(struct maple_tree *mt, unsigned long *index, unsigned long max);
void *mt_find_after(struct maple_tree *mt, unsigned long *index,
unsigned long max);
@@ -664,6 +670,7 @@ extern atomic_t maple_tree_tests_passed;
void mt_dump(const struct maple_tree *mt);
void mt_validate(struct maple_tree *mt);
+void mt_cache_shrink(void);
#define MT_BUG_ON(__tree, __x) do { \
atomic_inc(&maple_tree_tests_run); \
if (__x) { \