The patch titled
Remove useless calls to INIT_RCU_HEAD in the idr code
has been added to the -mm tree. Its filename is
idr-make-idr_get_new-rcu-safe-fix.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: Remove useless calls to INIT_RCU_HEAD in the idr code
From: Nadia Derbey <Nadia.Derbey@xxxxxxxx>
This is a trivial patch that removes unneeded calls to INIT_RCU_HEAD() in the
idr api code.
Signed-off-by: Nadia Derbey <Nadia.Derbey@xxxxxxxx>
Acked-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Cc: Manfred Spraul <manfred@xxxxxxxxxxxxxxxx>
Cc: Jim Houston <jim.houston@xxxxxxxxxxx>
Cc: Pierre Peiffer <peifferp@xxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/idr.c | 3 ---
1 file changed, 3 deletions(-)
diff -puN lib/idr.c~idr-make-idr_get_new-rcu-safe-fix lib/idr.c
--- a/lib/idr.c~idr-make-idr_get_new-rcu-safe-fix
+++ a/lib/idr.c
@@ -172,7 +172,6 @@ static int sub_alloc(struct idr *idp, in
new = get_from_free_list(idp);
if (!new)
return -1;
- INIT_RCU_HEAD(&new->rcu_head);
rcu_assign_pointer(p->ary[m], new);
p->count++;
}
@@ -198,7 +197,6 @@ build_up:
if (unlikely(!p)) {
if (!(p = get_from_free_list(idp)))
return -1;
- INIT_RCU_HEAD(&p->rcu_head);
layers = 1;
}
/*
@@ -226,7 +224,6 @@ build_up:
}
new->ary[0] = p;
new->count = 1;
- INIT_RCU_HEAD(&new->rcu_head);
if (p->bitmap == IDR_FULL)
__set_bit(0, &new->bitmap);
p = new;
_
Patches currently in -mm which might be from Nadia.Derbey@xxxxxxxx are
ipc-restore-msgpool-original-value.patch
ipc-only-output-msgmni-value-at-boot-time.patch
idr-change-the-idr-structure.patch
idr-rename-some-of-the-idr-apis-internal-routines.patch
idr-fix-a-printk-call.patch
idr-error-checking-factorization.patch
idr-make-idr_get_new-rcu-safe.patch
idr-make-idr_get_new-rcu-safe-fix.patch
idr-make-idr_find-rcu-safe.patch
idr-make-idr_remove-rcu-safe.patch
ipc-call-idr_find-without-locking-in-ipc_lock.patch
ipc-get-rid-of-ipc_lock_down.patch
ipc-semc-convert-undo-structures-to-struct-list_head.patch
ipc-semc-convert-undo-structures-to-struct-list_head-checkpatch-fixes.patch
ipc-semc-remove-unused-entries-from-struct-sem_queue.patch
ipc-semc-convert-sem_arraysem_pending-to-struct-list_head.patch
ipc-semc-convert-sem_arraysem_pending-to-struct-list_head-checkpatch-fixes.patch
ipc-semc-rewrite-undo-list-locking.patch
ipc-semc-rewrite-undo-list-locking-checkpatch-fixes.patch
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