diff options
author | Nicholas Piggin <npiggin@gmail.com> | 2023-05-24 09:08:19 +0300 |
---|---|---|
committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-08-02 15:22:18 +0300 |
commit | f74b2a6c01a0b319070ccee7dea0cc4dad694041 (patch) | |
tree | 15ee35bed11fd3913065932386d54ff15ad19fcf /arch/powerpc/mm | |
parent | c3c2e93753484bb4e935ed8205c1f569907f5970 (diff) | |
download | linux-f74b2a6c01a0b319070ccee7dea0cc4dad694041.tar.xz |
powerpc/64s: Use dec_mm_active_cpus helper
Avoid open-coded atomic_dec on mm->context.active_cpus and use the
function made for it. Add CONFIG_DEBUG_VM underflow checking on the
counter.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230524060821.148015-3-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/mm')
-rw-r--r-- | arch/powerpc/mm/book3s64/radix_tlb.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/mm/book3s64/radix_tlb.c b/arch/powerpc/mm/book3s64/radix_tlb.c index 0bd4866d9824..4e72d8007f88 100644 --- a/arch/powerpc/mm/book3s64/radix_tlb.c +++ b/arch/powerpc/mm/book3s64/radix_tlb.c @@ -820,7 +820,7 @@ void exit_lazy_flush_tlb(struct mm_struct *mm, bool always_flush) * that's what the caller expects. */ if (cpumask_test_cpu(cpu, mm_cpumask(mm))) { - atomic_dec(&mm->context.active_cpus); + dec_mm_active_cpus(mm); cpumask_clear_cpu(cpu, mm_cpumask(mm)); always_flush = true; } |