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| author | Cupertino Miranda <cupertino.miranda@oracle.com> | 2023-04-14 16:12:20 +0100 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2023-04-20 13:54:24 -0300 |
| commit | b630be0922dbaaa50eb174a7740f0d3fb88602da (patch) | |
| tree | fa0e6bd1ef8115117c6a2090b2dd5248269609fb /sysdeps/nptl | |
| parent | 0f61cd4b9c5175c128311769df932c8d7694d6b6 (diff) | |
| download | glibc-b630be0922dbaaa50eb174a7740f0d3fb88602da.zip glibc-b630be0922dbaaa50eb174a7740f0d3fb88602da.tar.gz glibc-b630be0922dbaaa50eb174a7740f0d3fb88602da.tar.bz2 | |
Created tunable to force small pages on stack allocation.
Created tunable glibc.pthread.stack_hugetlb to control when hugepages
can be used for stack allocation.
In case THP are enabled and glibc.pthread.stack_hugetlb is set to
0, glibc will madvise the kernel not to use allow hugepages for stack
allocations.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps/nptl')
| -rw-r--r-- | sysdeps/nptl/dl-tunables.list | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/nptl/dl-tunables.list b/sysdeps/nptl/dl-tunables.list index bd1ddb1..4cde950 100644 --- a/sysdeps/nptl/dl-tunables.list +++ b/sysdeps/nptl/dl-tunables.list @@ -33,5 +33,11 @@ glibc { maxval: 1 default: 1 } + stack_hugetlb { + type: INT_32 + minval: 0 + maxval: 1 + default: 1 + } } } |