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| #
7fb10233 |
| 15-Aug-2023 |
Andre Przywara <[email protected]> |
selftests: cachestat: properly link in librt
Libraries should be listed last on the compiler's command line, so that
the linker can look for and find still unresolved symbols. The librt
library, req
selftests: cachestat: properly link in librt
Libraries should be listed last on the compiler's command line, so that
the linker can look for and find still unresolved symbols. The librt
library, required for the shm_* functions, was announced using CFLAGS,
which puts the library *before* the source files, and fails compilation
on my system:
======================
gcc -isystem /src/linux-selftests/usr/include -Wall -lrt test_cachestat.c
-o /src/linux-selftests/kselftest/cachestat/test_cachestat
/usr/bin/ld: /tmp/cceQWO3u.o: in function `test_cachestat_shmem':
test_cachestat.c:(.text+0x890): undefined reference to `shm_open'
/usr/bin/ld: test_cachestat.c:(.text+0x99c): undefined reference to `shm_unlink'
collect2: error: ld returned 1 exit status
make[4]: *** [../lib.mk:181: /src/linux-selftests/kselftest/cachestat/test_cachestat] Error 1
======================
Announce the library using the LDLIBS variable, which ensures the proper
ordering on the command line.
Signed-off-by: Andre Przywara <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
show more ...
|
| #
88537aac |
| 03-May-2023 |
Nhat Pham <[email protected]> |
selftests: add selftests for cachestat
Test cachestat on a newly created file, /dev/ files, /proc/ files and a
directory. Also test on a shmem file (which can also be tested with
huge pages since t
selftests: add selftests for cachestat
Test cachestat on a newly created file, /dev/ files, /proc/ files and a
directory. Also test on a shmem file (which can also be tested with
huge pages since tmpfs supports huge pages).
[[email protected]: fix spelling mistake "trucate" -> "truncate"]
Link: https://lkml.kernel.org/r/[email protected]
[[email protected]: avoid excessive stack allocation]
Link: https://lkml.kernel.org/r/[email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Nhat Pham <[email protected]>
Signed-off-by: Colin Ian King <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Acked-by: Johannes Weiner <[email protected]>
Cc: Brian Foster <[email protected]>
Cc: Matthew Wilcox (Oracle) <[email protected]>
Cc: Michael Kerrisk <[email protected]>
Cc: Colin Ian King <[email protected]>
Cc: Michael Ellerman <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
show more ...
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