diff options
| author | Sara Sharon <sara.sharon@intel.com> | 2018-02-18 15:24:59 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2018-02-23 12:35:02 +0100 |
| commit | 4d5174aeb7155c8d7b592592b2af1cc8aa080098 (patch) | |
| tree | d65c0fbe4342da7746489e45ea391f61d7ecd400 | |
| parent | d51b196d81d5ece88b3094d94b31de648f2611b7 (diff) | |
backport: implement alloc_percpu_gfp() for < 3.18.
mac80211 now uses the alloc_percpu_gfp() function, which doesn't exist
in kernels older than 3.18. Backport it accordingly.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | backport-include/linux/percpu.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/backport-include/linux/percpu.h b/backport-include/linux/percpu.h new file mode 100644 index 00000000..10be03cb --- /dev/null +++ b/backport-include/linux/percpu.h @@ -0,0 +1,19 @@ +/* + * Copyright (C) 2018 Intel Corporation + */ +#ifndef __BACKPORT_PERCPU_H +#define __BACKPORT_PERCPU_H +#include_next <linux/percpu.h> + +#if LINUX_VERSION_IS_LESS(3,18,0) +static inline void __percpu *__alloc_gfp_warn(void) +{ + WARN(1, "Cannot backport alloc_percpu_gfp"); + return NULL; +} + +#define alloc_percpu_gfp(type, gfp) \ + ({ (gfp == GFP_KERNEL) ? alloc_percpu(type) : __alloc_gfp_warn(); }) +#endif /* LINUX_VERSION_IS_LESS(3,18,0) */ + +#endif /* __BACKPORT_PERCPU_H */ |