linux-next: build failure after merge of the rcu tree

[Stephen Rothwell <sfr@canb.auug.org.au>]

Hi Paul,

After merging the rcu tree, today's linux-next build (x86_64 allmodconfig)
failed like this:

In file included from include/linux/resource_ext.h:19:0,
                 from include/linux/pci.h:32,
                 from include/drm/drmP.h:50,
                 from drivers/gpu/drm/i915/i915_gem.c:28:
drivers/gpu/drm/i915/selftests/mock_gem_device.c: In function 'mock_gem_device':
drivers/gpu/drm/i915/selftests/mock_gem_device.c:177:9: error: 'SLAB_DESTROY_BY_RCU' undeclared (first use in this function)
         SLAB_DESTROY_BY_RCU);
         ^
include/linux/slab.h:149:4: note: in definition of macro 'KMEM_CACHE'
   (__flags), NULL)
    ^
drivers/gpu/drm/i915/selftests/mock_gem_device.c:177:9: note: each undeclared identifier is reported only once for each function it appears in
         SLAB_DESTROY_BY_RCU);
         ^
include/linux/slab.h:149:4: note: in definition of macro 'KMEM_CACHE'
   (__flags), NULL)
    ^
/

Caused by commit

  24b7cb25b8d1 ("mm: Rename SLAB_DESTROY_BY_RCU to SLAB_TYPESAFE_BY_RCU")

interacting with commit

  0daf0113cff6 ("drm/i915: Mock infrastructure for request emission")

from the drm-intel tree.

I added the following merge fix patch:

From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Wed, 8 Mar 2017 12:09:49 +1100
Subject: [PATCH] drm/i915: merge fix for "mm: Rename SLAB_DESTROY_BY_RCU to
 SLAB_TYPESAFE_BY_RCU"

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
---
 drivers/gpu/drm/i915/selftests/mock_gem_device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index 6a8258eacdcb..9f24c5da3f8d 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -174,7 +174,7 @@ struct drm_i915_private *mock_gem_device(void)
 	i915->requests = KMEM_CACHE(mock_request,
 				    SLAB_HWCACHE_ALIGN |
 				    SLAB_RECLAIM_ACCOUNT |
-				    SLAB_DESTROY_BY_RCU);
+				    SLAB_TYPESAFE_BY_RCU);
 	if (!i915->requests)
 		goto err_vmas;
 
-- 
2.11.0

-- 
Cheers,
Stephen Rothwell
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