Hi all,
Today's linux-next build (powerpc ppc64_defconfig) failed like this:
mm/slub.c: In function 'alloc_kmem_cache_cpus':
mm/slub.c:2074: error: implicit declaration of function 'per_cpu_var'
mm/slub.c:2074: warning: assignment makes pointer from integer without a cast
Caused by commit 9dfc6e68bfe6ee452efb1a4e9ca26a9007f2b864 ("SLUB: Use
this_cpu operations in slub") from the slab interacting with commit
dd17c8f72993f9461e9c19250e3f155d6d99df22 ("percpu: remove per_cpu__
prefix") from the percpu tree.
I have added the following patch for today and (can carry it as
necessary).
From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Date: Thu, 24 Dec 2009 09:56:29 +1100
Subject: [PATCH] slab: update for percpu API change
Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
---
mm/slub.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/mm/slub.c b/mm/slub.c
index 6e34309..9e86e6b 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2071,7 +2071,7 @@ static inline int alloc_kmem_cache_cpus(struct kmem_cache *s, gfp_t flags)
* Boot time creation of the kmalloc array. Use static per cpu data
* since the per cpu allocator is not available yet.
*/
- s->cpu_slab = per_cpu_var(kmalloc_percpu) + (s - kmalloc_caches);
+ s->cpu_slab = kmalloc_percpu + (s - kmalloc_caches);
else
s->cpu_slab = alloc_percpu(struct kmem_cache_cpu);
--
1.6.5.4
--
Cheers,
Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
http://www.canb.auug.org.au/~sfr/
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