Martin KaFai Lau e16301fbe1
bpf: Simplify freeing logic in linfo and jited_linfo ...
This patch simplifies the linfo freeing logic by combining
"bpf_prog_free_jited_linfo()" and "bpf_prog_free_unused_jited_linfo()"
into the new "bpf_prog_jit_attempt_done()".
It is a prep work for the kernel function call support. In a later
patch, freeing the kernel function call descriptors will also
be done in the "bpf_prog_jit_attempt_done()".
"bpf_prog_free_linfo()" is removed since it is only called by
"__bpf_prog_put_noref()". The kvfree() are directly called
instead.
It also takes this chance to s/kcalloc/kvcalloc/ for the jited_linfo
allocation.
Signed-off-by: Martin KaFai Lau <kafai@fb.com >
Signed-off-by: Alexei Starovoitov <ast@kernel.org >
Link: https://lore.kernel.org/bpf/20210325015130.1544323-1-kafai@fb.com
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