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(parent: 9dbd2d9) | patch
bpf: add schedule points to map alloc/free
authorEric Dumazet <edumazet@google.com>
Tue, 12 Dec 2017 22:22:39 +0000 (14:22 -0800)
committerAlexei Starovoitov <ast@kernel.org>
Tue, 12 Dec 2017 23:27:22 +0000 (15:27 -0800)
commit9147efcbe0b7cc96b18eb64b1a3f0d4bba81443c
treee96ef5a6e898fd45ca4d48f467f71fa505ff807etree | snapshot
parent9dbd2d948e7345595e5b90e44795c1e8ca3e5728commit | diff
bpf: add schedule points to map alloc/free

While using large percpu maps, htab_map_alloc() can hold
cpu for hundreds of ms.

This patch adds cond_resched() calls to percpu alloc/free
call sites, all running in process context.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
kernel/bpf/hashtab.c diff | blob | history
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