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authorIngo Molnar <mingo@kernel.org>2018-10-29 07:20:52 +0100
committerIngo Molnar <mingo@kernel.org>2018-10-29 07:20:52 +0100
commitf0718d792b8a6d4b5ddc929e418ac57cc4897375 (patch)
tree3dbaa824ce380e99709fae47c047383ca39c983a /include/linux/string.h
parentefe8eaf7b525f1be26fe20d723d2bfbfcd7455fd (diff)
parentb59dfdaef173677b0b7e10f375226c0a1114fd20 (diff)
Merge branch 'linus' into perf/urgent, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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