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5e31d32843
Kfunc declarations can identify arena arguments through parameter name suffixes without repeating KF_ARENA_ARG flags in their BTF ID sets. resolve_btfids currently misses those arguments when synthesizing the address_space(1) attributes used by generated vmlinux.h files. Teach the arena prototype rewrite to recognize __arena and __arena__nullable directly on each parameter. Keep KF_ARENA_ARG1 and KF_ARENA_ARG2 handling for explicitly flagged kfuncs, while allowing suffixes on any argument without synthesizing kfunc flags. Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Link: https://patch.msgid.link/20260812193842.2879226-2-memxor@gmail.com Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>