diff options
| author | Heiko Carstens <hca@linux.ibm.com> | 2025-03-10 12:42:59 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-05-29 11:02:13 +0200 |
| commit | f3ea633a111e0aba37ddb369b573386ec75fbad7 (patch) | |
| tree | dcb499c1d26a987a605d20feec77115338eeeb8b | |
| parent | 1ea4653cff35c29d1dd0b14ad9c8245e7318f337 (diff) | |
s390/tlb: Use mm_has_pgste() instead of mm_alloc_pgste()
[ Upstream commit 9291ea091b29bb3e37c4b3416c7c1e49e472c7d5 ]
An mm has pgstes only after s390_enable_sie() has been called, while
mm_alloc_pgste() may be always true (e.g. via sysctl setting).
Limit the calls to gmap_unlink() in pte_free_tlb() to those cases
where there might be something to unlink.
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | arch/s390/include/asm/tlb.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h index e95b2c8081eb..793afe236df0 100644 --- a/arch/s390/include/asm/tlb.h +++ b/arch/s390/include/asm/tlb.h @@ -85,7 +85,7 @@ static inline void pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, tlb->mm->context.flush_mm = 1; tlb->freed_tables = 1; tlb->cleared_pmds = 1; - if (mm_alloc_pgste(tlb->mm)) + if (mm_has_pgste(tlb->mm)) gmap_unlink(tlb->mm, (unsigned long *)pte, address); tlb_remove_ptdesc(tlb, pte); } |