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Subjectlinux-next: build warning after merge of the bpf-next tree
Hi all,

After merging the bpf-next tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

In file included from include/linux/dma-mapping.h:5:0,
from include/linux/skbuff.h:34,
from include/linux/if_ether.h:23,
from include/uapi/linux/bpf.h:13,
from include/linux/bpf-cgroup.h:6,
from include/linux/cgroup-defs.h:22,
from include/linux/cgroup.h:28,
from include/linux/perf_event.h:57,
from include/linux/trace_events.h:10,
from include/trace/trace_events.h:20,
from include/trace/define_trace.h:96,
from drivers/android/binder_trace.h:387,
from drivers/android/binder.c:5702:
include/linux/sizes.h:24:0: warning: "SZ_1K" redefined
#define SZ_1K 0x00000400
drivers/android/binder.c:116:0: note: this is the location of the previous definition
#define SZ_1K 0x400
In file included from include/linux/dma-mapping.h:5:0,
from include/linux/skbuff.h:34,
from include/linux/if_ether.h:23,
from include/uapi/linux/bpf.h:13,
from include/linux/bpf-cgroup.h:6,
from include/linux/cgroup-defs.h:22,
from include/linux/cgroup.h:28,
from include/linux/perf_event.h:57,
from include/linux/trace_events.h:10,
from include/trace/trace_events.h:20,
from include/trace/define_trace.h:96,
from drivers/android/binder_trace.h:387,
from drivers/android/binder.c:5702:
include/linux/sizes.h:37:0: warning: "SZ_4M" redefined
#define SZ_4M 0x00400000
drivers/android/binder.c:120:0: note: this is the location of the previous definition
#define SZ_4M 0x400000
fs/ecryptfs/miscdev.c:206:0: warning: "PKT_TYPE_OFFSET" redefined
#define PKT_TYPE_OFFSET 0
In file included from include/linux/if_ether.h:23:0,
from include/uapi/linux/bpf.h:13,
from include/linux/bpf-cgroup.h:6,
from include/linux/cgroup-defs.h:22,
from include/linux/cgroup.h:28,
from include/linux/writeback.h:183,
from include/linux/backing-dev.h:16,
from fs/ecryptfs/ecryptfs_kernel.h:41,
from fs/ecryptfs/miscdev.c:30:
include/linux/skbuff.h:753:0: note: this is the location of the previous definition
#define PKT_TYPE_OFFSET() offsetof(struct sk_buff, __pkt_type_offset)

Introduced by commit

9c38f3c8b153 ("bpf: Provide helper to do forwarding lookups in kernel FIB table")

--
Cheers,
Stephen Rothwell
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