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authorJames Morris <james.morris@microsoft.com>2018-11-12 09:07:41 -0800
committerJames Morris <james.morris@microsoft.com>2018-11-12 09:07:41 -0800
commit26b76320a8a550472bbb8f42257df83fcb8d8df6 (patch)
tree8a5b569f4f070bf4971e24e7fccfe3004b8fc4ba /include/linux/string.h
parentf09c296ebf407f98f4ca70892e612b54484bf663 (diff)
parentccda4af0f4b92f7b4c308d3acc262f4a7e3affad (diff)
downloadcachepc-linux-26b76320a8a550472bbb8f42257df83fcb8d8df6.tar.gz
cachepc-linux-26b76320a8a550472bbb8f42257df83fcb8d8df6.zip
Merge tag 'v4.20-rc2' into next-general
Sync to Linux 4.20-rc2 for downstream developers.
Diffstat (limited to 'include/linux/string.h')
-rw-r--r--include/linux/string.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/string.h b/include/linux/string.h
index 4a5a0eb7df51..27d0482e5e05 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -131,6 +131,13 @@ static inline void *memset_p(void **p, void *v, __kernel_size_t n)
return memset64((uint64_t *)p, (uintptr_t)v, n);
}
+extern void **__memcat_p(void **a, void **b);
+#define memcat_p(a, b) ({ \
+ BUILD_BUG_ON_MSG(!__same_type(*(a), *(b)), \
+ "type mismatch in memcat_p()"); \
+ (typeof(*a) *)__memcat_p((void **)(a), (void **)(b)); \
+})
+
#ifndef __HAVE_ARCH_MEMCPY
extern void * memcpy(void *,const void *,__kernel_size_t);
#endif