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| author |   Ingo Molnar <mingo@kernel.org> | 2017-04-23 11:12:44 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-04-23 11:12:44 +0200 |
| commit | 58d30c36d472b75e8e9962d6a640be19d9389128 (patch) | |
| tree | ce161b15e844d081f527f02a4f74ffd1171b2b14 /include/linux/slab.h | |
| parent | Merge tag 'nfsd-4.11-2' of git://linux-nfs.org/~bfields/linux (diff) | |
| parent | Merge branches 'doc.2017.04.12a', 'fixes.2017.04.19a' and 'srcu.2017.04.21a' into HEAD (diff) | |
| download | linux-dev-58d30c36d472b75e8e9962d6a640be19d9389128.tar.xz linux-dev-58d30c36d472b75e8e9962d6a640be19d9389128.zip | |
Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu
Pull RCU updates from Paul E. McKenney:
- Documentation updates.
- Miscellaneous fixes.
- Parallelize SRCU callback handling (plus overlapping patches).
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/slab.h')
| -rw-r--r-- | include/linux/slab.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/slab.h b/include/linux/slab.h index 3c37a8c51921..04a7f7993e67 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -28,7 +28,7 @@ #define SLAB_STORE_USER 0x00010000UL /* DEBUG: Store the last owner for bug hunting */ #define SLAB_PANIC 0x00040000UL /* Panic if kmem_cache_create() fails */ /* - * SLAB_DESTROY_BY_RCU - **WARNING** READ THIS! + * SLAB_TYPESAFE_BY_RCU - **WARNING** READ THIS! * * This delays freeing the SLAB page by a grace period, it does _NOT_ * delay object freeing. This means that if you do kmem_cache_free() @@ -61,8 +61,10 @@ * * rcu_read_lock before reading the address, then rcu_read_unlock after * taking the spinlock within the structure expected at that address. + * + * Note that SLAB_TYPESAFE_BY_RCU was originally named SLAB_DESTROY_BY_RCU. */ -#define SLAB_DESTROY_BY_RCU 0x00080000UL /* Defer freeing slabs to RCU */ +#define SLAB_TYPESAFE_BY_RCU 0x00080000UL /* Defer freeing slabs to RCU */ #define SLAB_MEM_SPREAD 0x00100000UL /* Spread some memory over cpuset */ #define SLAB_TRACE 0x00200000UL /* Trace allocations and frees */ |