user/sven/linux.git/kernel/bpf/range_tree.h, branch v6.16.1Linux Kernel
https://git.stealer.net/cgit.cgi/user/sven/linux.git/atom?h=v6.16.12024-11-13T21:52:45Zbpf: Introduce range_tree data structure and use it in bpf arena2024-11-13T21:52:45ZAlexei Starovoitovast@kernel.org2024-11-08T02:56:15Zurn:sha1:b795379757eb054925fbb6783559c86f01c1a614
Introduce range_tree data structure and use it in bpf arena to track
ranges of allocated pages. range_tree is a large bitmap that is
implemented as interval tree plus rbtree. The contiguous sequence of
bits represents unallocated pages.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/bpf/20241108025616.17625-2-alexei.starovoitov@gmail.com