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Leon Hwang 7832f8e857 libbpf: Avoid unnecessary mmap resize for percpu data maps 
Use array_map_mmap_sz() for PERCPU_ARRAY like ARRAY in bpf_map_mmap_sz().
This lets bpf_map__set_value_size() skip mmap(), memcpy(), and munmap()
when the old and new value sizes occupy the same number of pages.

Fix some typos btw:

* mmapble -> mmapable
* satisified -> satisfied
* relocatin -> relocation
* atach_btf_obj_fd -> attach_btf_obj_fd
* len_secnd -> len_second
* precendence -> precedence

Signed-off-by: Leon Hwang <leon.hwang@linux.dev>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20260814173206.93082-3-leon.hwang@linux.dev
2026-10-02 05:41:50 -07:00
..
.gitignore
makefile: support libbpf symbol versioning in shared library mode
2019-09-30 21:42:42 -07:00
bpf_core_read.h
bpf: Fix uninitialized values in BPF_{CORE,PROBE}_READ
2025-05-19 10:07:42 -07:00
bpf_endian.h
libbpf: Make bpf_endian co-exist with vmlinux.h
2020-07-01 14:36:55 -07:00
bpf_gen_internal.h
libbpf: Add support for global percpu data
2026-10-02 05:41:50 -07:00
bpf_helper_defs.h
sync: auto-generate latest BPF helpers
2026-06-30 10:49:46 -07:00
bpf_helpers.h
libbpf: Remove extern declaration of bpf_stream_vprintk()
2026-03-12 13:02:22 -07:00
bpf_prog_linfo.c
libbpf: Streamline error reporting for high-level APIs
2021-06-08 13:04:27 -07:00
bpf_tracing.h
libbpf: Fix powerpc's stack register definition in bpf_tracing.h
2025-11-07 14:00:07 -08:00
bpf.c
libbpf: Add path_fd to struct bpf_link_create_opts
2026-06-30 10:49:46 -07:00
bpf.h
libbpf: Add path_fd to struct bpf_link_create_opts
2026-06-30 10:49:46 -07:00
btf_dump.c
libbpf: fix -Wformat warnings from format/argument type mismatches
2026-06-30 10:49:46 -07:00
btf_iter.c
libbpf,bpf: Share BTF relocate-related code with kernel
2024-06-27 10:01:42 -07:00
btf_relocate.c
libbpf: fix -Wformat warnings from format/argument type mismatches
2026-06-30 10:49:46 -07:00
btf.c
libbpf: Fix double-free of distilled base BTF on .BTF.ext parse error
2026-07-08 01:48:11 +05:30
btf.h
libbpf: Export btf__find_by_name_kind_own()
2026-10-02 05:41:50 -07:00
elf.c
libbpf: fix -Wformat warnings from format/argument type mismatches
2026-06-30 10:49:46 -07:00
features.c
libbpf: Probe percpu data feature
2026-10-02 05:41:50 -07:00
gen_loader.c
libbpf: Add support for global percpu data
2026-10-02 05:41:50 -07:00
hashmap.c
libbpf: Hashmap interface update to allow both long and void* keys/values
2022-11-12 18:24:12 -08:00
hashmap.h
libbpf: Fix possible compiler warnings in hashmap
2024-10-11 14:12:43 -07:00
libbpf_common.h
libbpf: Fix potential uninitialized tail padding with LIBBPF_OPTS_RESET
2023-11-10 13:27:01 -08:00
libbpf_internal.h
libbpf: Probe percpu data feature
2026-10-02 05:41:50 -07:00
libbpf_legacy.h
libbpf: Fix some typos in comments
2024-10-09 14:13:35 -07:00
libbpf_probes.c
libbpf: Support resizable hashtable
2026-06-30 10:49:46 -07:00
libbpf_utils.c
libbpf: Fix undefined behavior in {get,put}_unaligned_be32()
2025-10-06 15:59:27 -07:00
libbpf_version.h
libbpf: Start v1.8 development cycle
2026-04-09 15:12:21 -07:00
libbpf.c
libbpf: Avoid unnecessary mmap resize for percpu data maps
2026-10-02 05:41:50 -07:00
libbpf.h
libbpf: Add support to create tracing multi link
2026-06-30 10:49:46 -07:00
libbpf.map
libbpf: Export btf__find_by_name_kind_own()
2026-10-02 05:41:50 -07:00
libbpf.pc.template
libbpf: Add zlib as a dependency in pkg-config template
2019-12-19 15:34:27 -08:00
linker.c
libbpf: Fix invalid write loop logic in bpf_linker__add_buf()
2026-02-11 12:04:56 -08:00
Makefile
Makefile: bump to v1.8.0
2026-04-09 15:12:21 -07:00
netlink.c
bpftool: Fix truncated netlink dumps
2026-03-12 13:02:22 -07:00
nlattr.c
libbpf: fix -Wformat warnings from format/argument type mismatches
2026-06-30 10:49:46 -07:00
nlattr.h
libbpf: add API to get XDP/XSK supported features
2023-02-17 17:17:27 -08:00
relo_core.c
libbpf: fix -Wformat warnings from format/argument type mismatches
2026-06-30 10:49:46 -07:00
relo_core.h
bpf, libbpf: Add type match support
2022-07-31 16:45:48 -07:00
ringbuf.c
libbpf: move libbpf_errstr() into libbpf_utils.c
2025-10-06 15:59:27 -07:00
skel_internal.h
bpftool: Generate skeleton for global percpu data
2026-10-02 05:41:50 -07:00
strset.c
libbpf: Fix UAF in strset__add_str()
2026-05-30 20:45:51 -07:00
strset.h
libbpf: Extract internal set-of-strings datastructure APIs
2021-03-25 23:31:23 -07:00
usdt.bpf.h
libbpf: Fix USDT SIB argument handling causing unrecognized register error
2025-10-06 15:59:27 -07:00
usdt.c
libbpf: Change has_nop_combo to work on top of nop10
2026-10-02 05:41:50 -07:00
zip.c
libbpf: Remove unneeded semicolon
2024-10-11 14:12:43 -07:00
zip.h
libbpf: Implement basic zip archive parsing support
2023-03-06 09:47:37 -08:00