The following commit has been merged into the core/rcu branch of tip:
Commit-ID: 64d1d06ccb1b7de245ccf781b91517f328bebd9f
Gitweb: https://git.kernel.org/tip/64d1d06ccb1b7de245ccf781b91517f328bebd9f
Author: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>
AuthorDate: Mon, 25 May 2020 23:47:54 +02:00
Committer: Paul E. McKenney <paulmck@xxxxxxxxxx>
CommitterDate: Mon, 29 Jun 2020 11:59:25 -07:00
rcu/tiny: support vmalloc in tiny-RCU
Replace kfree() with kvfree() in rcu_reclaim_tiny().
This makes it possible to release either SLAB or vmalloc
objects after a GP.
Reviewed-by: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx>
Signed-off-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
---
kernel/rcu/tiny.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/rcu/tiny.c b/kernel/rcu/tiny.c
index dd572ce..4b99f7b 100644
--- a/kernel/rcu/tiny.c
+++ b/kernel/rcu/tiny.c
@@ -23,6 +23,7 @@
#include <linux/cpu.h>
#include <linux/prefetch.h>
#include <linux/slab.h>
+#include <linux/mm.h>
#include "rcu.h"
@@ -86,7 +87,7 @@ static inline bool rcu_reclaim_tiny(struct rcu_head *head)
rcu_lock_acquire(&rcu_callback_map);
if (__is_kfree_rcu_offset(offset)) {
trace_rcu_invoke_kfree_callback("", head, offset);
- kfree((void *)head - offset);
+ kvfree((void *)head - offset);
rcu_lock_release(&rcu_callback_map);
return true;
}
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