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Zhen Lei da359f699f kallsyms: Reduce the memory occupied by kallsyms_seqs_of_names[] 
[ Upstream commit 19bd8981dc ]

kallsyms_seqs_of_names[] records the symbol index sorted by address, the
maximum value in kallsyms_seqs_of_names[] is the number of symbols. And
2^24 = 16777216, which means that three bytes are enough to store the
index. This can help us save (1 * kallsyms_num_syms) bytes of memory.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Stable-dep-of: b022f0c7e4 ("tracing/kprobes: Return EADDRNOTAVAIL when func matches several symbols")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-10-25 12:03:16 +02:00
..
atomic
Fix up more non-executable files marked executable
2023-02-01 08:34:49 +01:00
basic
randstruct: Move seed generation into scripts/basic/
2022-05-08 01:33:07 -07:00
clang-tools
scripts: handle BrokenPipeError for python scripts
2023-03-17 08:50:31 +01:00
coccinelle
update Coccinelle URL
2022-08-07 21:30:36 +02:00
dtc
dt: Add a check for undocumented compatible strings in kernel
2022-09-27 10:36:16 -05:00
dummy-tools
kbuild: dummy-tools: pretend we understand __LONG_DOUBLE_128__
2022-08-21 02:47:48 +09:00
gcc-plugins
gcc-plugins: Reorganize gimple includes for GCC 13
2023-08-16 18:27:20 +02:00
gdb
scripts/gdb: fix lx-timerlist for Python3
2023-05-11 23:03:40 +09:00
genksyms
genksyms: adjust the output format to modpost
2022-05-24 16:33:20 +09:00
kconfig
kconfig: fix possible buffer overflow
2023-09-19 12:27:59 +02:00
ksymoops
…
mod
modpost: add missing else to the "of" check
2023-10-10 22:00:41 +02:00
package
kbuild: rpm-pkg: define _arch conditionally
2023-09-19 12:27:58 +02:00
selinux
selinux: remove runtime disable message in the install_policy.sh script
2022-09-20 14:12:25 -04:00
tracing
ftrace/scripts: Update the instructions for ftrace-bisect.sh
2023-02-01 08:34:37 +01:00
.gitignore
scripts: add generate_rust_target.rs
2022-09-28 09:02:06 +02:00
adjust_autoksyms.sh
kbuild: split the second line of *.mod into *.usyms
2022-05-08 03:16:59 +09:00
as-version.sh
kbuild: Update assembler calls to use proper flags and language target
2023-06-21 16:01:03 +02:00
asn1_compiler.c
ASN.1: Fix check for strdup() success
2023-04-26 14:28:44 +02:00
bin2c.c
…
bloat-o-meter
scripts/bloat-o-meter: add -p argument
2022-07-17 17:31:40 -07:00
bootgraph.pl
…
bpf_doc.py
bpf/scripts: Assert helper enum value is aligned with comment order
2022-08-25 11:49:14 -07:00
cc-can-link.sh
…
cc-version.sh
Kbuild: add Rust support
2022-09-28 09:02:20 +02:00
check_extable.sh
scripts: check_extable: fix typo in user error message
2021-09-08 11:50:28 -07:00
check-local-export
kbuild: rewrite check-local-export in sh/awk
2022-09-29 04:40:15 +09:00
check-sysctl-docs
docs: add a script to check sysctl docs
2020-02-25 03:35:16 -07:00
checkdeclares.pl
scripts: make some scripts executable
2021-08-10 09:13:25 +09:00
checkincludes.pl
…
checkkconfigsymbols.py
scripts: handle BrokenPipeError for python scripts
2023-03-17 08:50:31 +01:00
checkpatch.pl
Merge tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-10-12 11:00:22 -07:00
checkstack.pl
checkstack: add riscv support for scripts/checkstack.pl
2022-07-27 21:18:00 +09:00
checksyscalls.sh
checksyscalls: ignore -Wunused-macros
2022-05-08 03:16:59 +09:00
checkversion.pl
scripts: checkversion: modernize linux/version.h search strings
2021-08-05 20:55:39 +09:00
cleanfile
…
cleanpatch
…
coccicheck
scripts: coccicheck: fix troubles on non-English builds
2021-05-18 11:09:59 +02:00
config
kconfig: config script: add a little user help
2021-01-04 10:38:11 +09:00
const_structs.checkpatch
const_structs.checkpatch: add frequently used ops structs
2022-01-20 08:52:54 +02:00
decode_stacktrace.sh
scripts: decode_stacktrace: demangle Rust symbols
2022-09-28 09:01:40 +02:00
decodecode
scripts/decodecode: improve faulting line determination
2022-09-11 21:55:05 -07:00
depmod.sh
depmod: handle the case of /sbin/depmod without /sbin in PATH
2021-01-01 12:26:39 -08:00
dev-needs.sh
scripts/dev-needs: Add script to list device dependencies
2020-09-04 18:19:37 +02:00
diffconfig
scripts: handle BrokenPipeError for python scripts
2023-03-17 08:50:31 +01:00
documentation-file-ref-check
scripts: documentation-file-ref-check: fix bpf selftests path
2021-10-26 09:42:29 -06:00
export_report.pl
modpost: move the namespace field in Module.symvers last
2020-03-17 08:59:03 +09:00
extract_xc3028.pl
…
extract-ikconfig
scripts/extract-ikconfig: add zstd compression support
2022-08-29 13:58:47 +09:00
extract-module-sig.pl
…
extract-sys-certs.pl
…
extract-vmlinux
…
faddr2line
scripts/faddr2line: Fix regression in name resolution on ppc64le
2022-11-16 10:42:10 +01:00
file-size.sh
…
find-unused-docs.sh
…
gcc-x86_32-has-stack-protector.sh
x86/stackprotector/32: Make the canary into a regular percpu variable
2021-03-08 13:19:05 +01:00
gcc-x86_64-has-stack-protector.sh
…
gen_autoksyms.sh
kbuild: Ignore __this_module in gen_autoksyms.sh
2022-06-26 06:15:05 +09:00
gen_ksymdeps.sh
kbuild: redo fake deps at include/ksym/*.h
2021-09-03 08:17:21 +09:00
gen-randstruct-seed.sh
randstruct: Move seed generation into scripts/basic/
2022-05-08 01:33:07 -07:00
generate_initcall_order.pl
init: lto: ensure initcall ordering
2021-01-14 08:21:09 -08:00
generate_rust_analyzer.py
scripts: add generate_rust_analyzer.py
2022-09-28 09:02:06 +02:00
generate_rust_target.rs
x86: enable initial Rust support
2022-09-28 09:02:45 +02:00
get_abi.pl
scripts/get_abi: Fix wrong script file name in the help message
2022-04-24 10:38:44 +02:00
get_dvb_firmware
…
get_feat.pl
scripts: get_feat.pl: use /usr/bin/env to find perl
2022-06-30 12:22:17 -06:00
get_maintainer.pl
get_maintainer: Honor mailmap for in file emails
2022-04-29 14:38:00 -07:00
gfp-translate
scripts: fix the gfp flags header path in gfp-translate
2023-06-28 11:12:22 +02:00
head-object-list.txt
arm64: remove special treatment for the link order of head.o
2023-02-25 11:25:42 +01:00
headerdep.pl
…
headers_install.sh
scripts: headers_install.sh: Update config leak ignore entries
2022-07-27 21:18:00 +09:00
insert-sys-cert.c
…
install.sh
kbuild: factor out the common installation code into scripts/install.sh
2022-05-11 21:45:53 +09:00
is_rust_module.sh
scripts: add is_rust_module.sh
2022-09-28 09:02:06 +02:00
jobserver-exec
scripts/jobserver-exec: Fix a typo ("envirnoment")
2021-05-17 12:10:03 +09:00
kallsyms.c
kallsyms: Reduce the memory occupied by kallsyms_seqs_of_names[]
2023-10-25 12:03:16 +02:00
Kbuild.include
kbuild: remove the target in signal traps when interrupted
2022-09-29 02:00:29 +09:00
Kconfig.include
kbuild: Update assembler calls to use proper flags and language target
2023-06-21 16:01:03 +02:00
kernel-doc
scripts: kernel-doc: Always increment warnings counter
2022-06-13 11:07:45 -06:00
ld-version.sh
kbuild: collect minimum tool versions into scripts/min-tool-version.sh
2021-04-25 05:14:26 +09:00
leaking_addresses.pl
leaking_addresses: Always print a trailing newline
2021-10-15 11:25:13 +02:00
Lindent
…
link-vmlinux.sh
kallsyms: Correctly sequence symbols when CONFIG_LTO_CLANG=y
2023-07-27 08:50:39 +02:00
Makefile
Kbuild: add Rust support
2022-09-28 09:02:20 +02:00
Makefile.asm-generic
kbuild: prefix $(srctree)/ to some included Makefiles
2021-03-15 19:20:48 +09:00
Makefile.build
kbuild: add -fno-discard-value-names to cmd_cc_ll_c
2022-10-15 05:22:29 +09:00
Makefile.clang
um: Allow builds with Clang
2022-03-21 08:13:03 -07:00
Makefile.clean
kbuild: drop $(objtree)/ prefix support for clean-files
2022-05-08 03:17:00 +09:00
Makefile.compiler
kbuild: Update assembler calls to use proper flags and language target
2023-06-21 16:01:03 +02:00
Makefile.debug
Kbuild: add Rust support
2022-09-28 09:02:20 +02:00
Makefile.dtbinst
kbuild: prefix $(srctree)/ to some included Makefiles
2021-03-15 19:20:48 +09:00
Makefile.extrawarn
Merge tag 'kbuild-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2022-10-10 12:00:45 -07:00
Makefile.gcc-plugins
gcc-plugins: Undefine LATENT_ENTROPY_PLUGIN when plugin disabled for a file
2022-08-16 12:25:53 -07:00
Makefile.headersinst
kbuild: prefix $(srctree)/ to some included Makefiles
2021-03-15 19:20:48 +09:00
Makefile.host
Kbuild: add Rust support
2022-09-28 09:02:20 +02:00
Makefile.kasan
kasan: always respect CONFIG_KASAN_STACK
2021-09-24 16:13:35 -07:00
Makefile.kcov
kbuild: include scripts/Makefile.* only when relevant CONFIG is enabled
2020-08-10 01:32:59 +09:00
Makefile.kcsan
kcsan: Ignore GCC 11+ warnings about TSan runtime support
2021-12-09 16:42:27 -08:00
Makefile.kmsan
kmsan: add KMSAN runtime core
2022-10-03 14:03:19 -07:00
Makefile.lib
Merge tag 'mm-stable-2022-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-10-10 17:53:04 -07:00
Makefile.modfinal
kbuild: Disable GCOV for *.mod.o
2023-07-19 16:21:44 +02:00
Makefile.modinst
kbuild: modinst: Fix build error when CONFIG_MODULE_SIG_KEY is a PKCS#11 URI
2023-02-09 11:28:11 +01:00
Makefile.modpost
kbuild: fix typo in modpost
2022-10-28 00:19:40 +09:00
Makefile.package
scripts: add rust in scripts/Makefile.package
2022-11-24 09:27:57 +09:00
Makefile.randstruct
randstruct: Enable Clang support
2022-05-08 01:33:07 -07:00
Makefile.ubsan
ubsan: remove CONFIG_UBSAN_OBJECT_SIZE
2022-01-20 08:52:55 +02:00
Makefile.userprogs
kbuild: add infrastructure to build userspace programs
2020-05-17 18:52:01 +09:00
Makefile.vmlinux
kbuild: rebuild .vmlinux.export.o when its prerequisite is updated
2022-10-03 03:52:58 +09:00
Makefile.vmlinux_o
kbuild: move modules.builtin(.modinfo) rules to Makefile.vmlinux_o
2022-10-03 03:52:58 +09:00
makelst
…
markup_oops.pl
…
min-tool-version.sh
scripts/min-tool-version.sh: raise minimum clang version to 15.0.0 for s390
2022-11-09 18:41:16 +01:00
mkcompile_h
Revert "kbuild: Make scripts/compile.h when sh != bash"
2022-09-29 04:40:15 +09:00
mksysmap
kallsyms: ignore __kstrtab_* and __kstrtabns_* symbols
2022-10-03 03:51:58 +09:00
mkuboot.sh
…
module.lds.S
cfi: Switch to -fsanitize=kcfi
2022-09-26 10:13:13 -07:00
modules-check.sh
kbuild: check module name conflict for external modules as well
2021-04-25 05:22:42 +09:00
nsdeps
scripts/nsdeps: adjust to the format change of *.mod files
2022-06-08 20:14:13 +09:00
objdiff
kbuild: clean .tmp_* pattern by make clean
2022-06-05 06:20:57 +09:00
objdump-func
scripts: Create objdump-func helper script
2022-05-12 10:08:43 -07:00
pahole-flags.sh
scripts/pahole-flags.sh: Parse DWARF and generate BTF with multithreading.
2022-02-22 14:32:44 -08:00
pahole-version.sh
kbuild: Add CONFIG_PAHOLE_VERSION
2022-02-02 11:19:33 +01:00
parse-maintainers.pl
parse-maintainers: Do not sort section content by default
2020-03-26 15:08:27 -07:00
patch-kernel
…
profile2linkerlist.pl
…
prune-kernel
scripts/prune-kernel: Use kernel-install if available
2022-05-11 21:46:38 +09:00
recordmcount.c
recordmcount: Fix memory leaks in the uwrite function
2023-05-24 17:32:41 +01:00
recordmcount.h
recordmcount: Correct st_shndx handling
2021-06-18 09:09:17 -04:00
recordmcount.pl
nds32: Remove the architecture
2022-03-07 13:54:59 +01:00
remove-stale-files
Merge tag 'riscv-for-linus-5.20-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
2022-08-12 18:39:43 -07:00
rust_is_available_bindgen_libclang.h
scripts: add rust_is_available.sh
2022-09-28 09:02:06 +02:00
rust_is_available.sh
kbuild: rust_is_available: fix confusion when a version appears in the path
2023-09-13 09:42:32 +02:00
setlocalversion
kbuild: do not quote string values in include/config/auto.conf
2022-01-08 18:03:57 +09:00
show_delta
tweewide: Fix most Shebang lines
2020-12-08 23:30:04 +09:00
sign-file.c
sign-file: Fix confusing error messages
2022-08-03 23:56:20 +03:00
sorttable.c
LoongArch: Add ELF-related definitions
2022-06-03 20:09:27 +08:00
sorttable.h
script/sorttable: Fix some initialization problems
2022-01-18 10:17:18 -05:00
spdxcheck-test.sh
docs: move Linux logo into a new images folder
2022-06-01 09:32:45 -06:00
spdxcheck.py
scripts/spdxcheck: Put excluded files and directories into a separate file
2022-05-18 15:34:33 +02:00
spdxexclude
scripts/spdxcheck: Exclude top-level README
2022-05-18 15:35:42 +02:00
spelling.txt
scripts/spelling.txt: add more spellings to spelling.txt
2022-03-22 15:57:00 -07:00
sphinx-pre-install
scripts: sphinx-pre-install: place a warning for Sphinx >= 3.0
2022-07-07 12:47:34 -06:00
split-man.pl
tweewide: Fix most Shebang lines
2020-12-08 23:30:04 +09:00
stackdelta
…
stackusage
…
subarch.include
LoongArch: Add build infrastructure
2022-06-03 20:09:27 +08:00
syscallhdr.sh
scripts: check duplicated syscall number in syscall table
2021-07-09 04:00:39 +09:00
syscallnr.sh
scripts: make some scripts executable
2021-08-10 09:13:25 +09:00
syscalltbl.sh
scripts: check duplicated syscall number in syscall table
2021-07-09 04:00:39 +09:00
tags.sh
scripts/tags.sh: Resolve gtags empty index generation
2023-07-05 18:27:38 +01:00
test_fortify.sh
fortify: Update compile-time tests for Clang 14
2022-02-13 16:50:06 -08:00
tools-support-relr.sh
Makefile: fix GDB warning with CONFIG_RELR
2021-06-08 13:09:34 +01:00
unifdef.c
…
ver_linux
Removed the oprofiled version option
2021-05-03 17:23:06 -06:00
xen-hypercalls.sh
scripts: make some scripts executable
2021-08-10 09:13:25 +09:00
xz_wrap.sh
kbuild: add variables for compression tools
2020-06-06 23:42:01 +09:00