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| author | Jiri Kosina <jkosina@suse.cz> | 2022-12-13 14:27:16 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2022-12-13 14:27:16 +0100 |
| commit | cfd1f6c16f7deadfe5269a76c1516405c4466481 (patch) | |
| tree | 44c0635e57e9627d9838c0d0d5801381b93ccccd /include/linux/cache.h | |
| parent | a9d9e46c755a189ccb44d91b8cf737742a975de8 (diff) | |
| parent | fd7b68b763c4dfa65e3c145c624427d5fd11202f (diff) | |
Merge branch 'for-6.2/apple' into for-linus
- new quirks for select Apple keyboards (Kerem Karabay, Aditya Garg)
Diffstat (limited to 'include/linux/cache.h')
| -rw-r--r-- | include/linux/cache.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/cache.h b/include/linux/cache.h index d742c57eaee5..5da1bbd96154 100644 --- a/include/linux/cache.h +++ b/include/linux/cache.h @@ -85,4 +85,17 @@ #define cache_line_size() L1_CACHE_BYTES #endif +/* + * Helper to add padding within a struct to ensure data fall into separate + * cachelines. + */ +#if defined(CONFIG_SMP) +struct cacheline_padding { + char x[0]; +} ____cacheline_internodealigned_in_smp; +#define CACHELINE_PADDING(name) struct cacheline_padding name +#else +#define CACHELINE_PADDING(name) +#endif + #endif /* __LINUX_CACHE_H */ |