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misc: Add __get_nprocs_sched

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This is an internal function meant to return the number of avaliable
processor where the process can scheduled, different than the
__get_nprocs which returns a the system available online CPU.

The Linux implementation currently only calls __get_nprocs(), which
in tuns calls sched_getaffinity.

Reviewed-by: Florian Weimer <fweimer@redhat.com>
This commit is contained in:
Adhemerval Zanella
2021-09-06 12:22:54 -03:00
parent 514638699d
commit 11a02b035b
5 changed files with 25 additions and 2 deletions
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2
malloc/arena.c
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@ -878,7 +878,7 @@ arena_get2 (size_t size, mstate avoid_arena)
narenas_limit = mp_.arena_max;
else if (narenas > mp_.arena_test)
{
int n = __get_nprocs ();
int n = __get_nprocs_sched ();
if (n >= 1)
narenas_limit = NARENAS_FROM_NCORES (n);