bpf: Tell bpf programs kernel's PAGE_SIZE
authorAlexei Starovoitov <ast@kernel.org>
Thu, 7 Mar 2024 03:12:28 +0000 (19:12 -0800)
committerMartin KaFai Lau <martin.lau@kernel.org>
Thu, 7 Mar 2024 22:58:48 +0000 (14:58 -0800)
commitfe5064158c561b807af5708c868f6c7cb5144e01
treeafd0ca6870d3abf41b811e706c3f788057183e9b
parent1576b07961971d4eeb0e269c7133e9a6d430daf8
bpf: Tell bpf programs kernel's PAGE_SIZE

vmlinux BTF includes all kernel enums.
Add __PAGE_SIZE = PAGE_SIZE enum, so that bpf programs
that include vmlinux.h can easily access it.

Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/r/20240307031228.42896-7-alexei.starovoitov@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
kernel/bpf/core.c