The patch titled
Subject: ipc/util: drop ipc_rcu_free()
has been added to the -mm tree. Its filename is
ipc-util-drop-ipc_rcu_free.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/ipc-util-drop-ipc_rcu_free.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/ipc-util-drop-ipc_rcu_free.patch
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------------------------------------------------------
From: Kees Cook <keescook@xxxxxxxxxxxx>
Subject: ipc/util: drop ipc_rcu_free()
There are no more callers of ipc_rcu_free(), so remove it.
Link: http://lkml.kernel.org/r/20170525185107.12869-9-manfred@xxxxxxxxxxxxxxxx
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Signed-off-by: Manfred Spraul <manfred@xxxxxxxxxxxxxxxx>
Cc: Davidlohr Bueso <dave@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
ipc/util.c | 7 -------
ipc/util.h | 1 -
2 files changed, 8 deletions(-)
diff -puN ipc/util.c~ipc-util-drop-ipc_rcu_free ipc/util.c
--- a/ipc/util.c~ipc-util-drop-ipc_rcu_free
+++ a/ipc/util.c
@@ -429,13 +429,6 @@ void ipc_rcu_putref(struct kern_ipc_perm
call_rcu(&ptr->rcu, func);
}
-void ipc_rcu_free(struct rcu_head *h)
-{
- struct kern_ipc_perm *ptr = container_of(h, struct kern_ipc_perm, rcu);
-
- kvfree(ptr);
-}
-
/**
* ipcperms - check ipc permissions
* @ns: ipc namespace
diff -puN ipc/util.h~ipc-util-drop-ipc_rcu_free ipc/util.h
--- a/ipc/util.h~ipc-util-drop-ipc_rcu_free
+++ a/ipc/util.h
@@ -119,7 +119,6 @@ struct kern_ipc_perm *ipc_rcu_alloc(int
int ipc_rcu_getref(struct kern_ipc_perm *ptr);
void ipc_rcu_putref(struct kern_ipc_perm *ptr,
void (*func)(struct rcu_head *head));
-void ipc_rcu_free(struct rcu_head *h);
struct kern_ipc_perm *ipc_lock(struct ipc_ids *, int);
struct kern_ipc_perm *ipc_obtain_object_idr(struct ipc_ids *ids, int id);
_
Patches currently in -mm which might be from keescook@xxxxxxxxxxxx are
ipc-drop-non-rcu-allocation.patch
ipc-sem-do-not-use-ipc_rcu_free.patch
ipc-shm-do-not-use-ipc_rcu_free.patch
ipc-msg-do-not-use-ipc_rcu_free.patch
ipc-util-drop-ipc_rcu_free.patch
ipc-sem-avoid-ipc_rcu_alloc.patch
ipc-shm-avoid-ipc_rcu_alloc.patch
ipc-msg-avoid-ipc_rcu_alloc.patch
ipc-util-drop-ipc_rcu_alloc.patch
ipc-move-atomic_set-to-where-it-is-needed.patch
ipc-shm-remove-special-shm_alloc-free.patch
ipc-msg-remove-special-msg_alloc-free.patch
ipc-sem-drop-__sem_free.patch
--
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