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| author |   Uladzislau Rezki (Sony) <urezki@gmail.com> | 2020-05-25 23:47:54 +0200 |
|---|---|---|
| committer |   Paul E. McKenney <paulmck@kernel.org> | 2020-06-29 11:59:25 -0700 |
| commit | 64d1d06ccb1b7de245ccf781b91517f328bebd9f (patch) | |
| tree | 674a98f87ffa79b102cbe7ea8c0dab0da84d8e52 /kernel/rcu | |
| parent | rcu/tree: Maintain separate array for vmalloc ptrs (diff) | |
| download | wireguard-linux-64d1d06ccb1b7de245ccf781b91517f328bebd9f.tar.xz wireguard-linux-64d1d06ccb1b7de245ccf781b91517f328bebd9f.zip | |
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@joelfernandes.org>
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'kernel/rcu')
| -rw-r--r-- | kernel/rcu/tiny.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/rcu/tiny.c b/kernel/rcu/tiny.c index dd572ce7c747..4b99f7b88bee 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; } |