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iommu/arm-smmu-v3: Limit queue allocation retry boundary to PAGE_SIZE

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Stop retrying queue allocation when qsz reaches PAGE_SIZE.

Signed-off-by: Leo Jiang <leo.jiang1224@foxmail.com>
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Leo Jiang 2026-05-09 15:07:33 +08:00 committed by Will Deacon
parent 8a0aab012b
commit 2b9f593dad
1 changed files with 1 additions and 1 deletions
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2
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
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@ -4418,7 +4418,7 @@ int arm_smmu_init_one_queue(struct arm_smmu_device *smmu,
qsz = ((1 << q->llq.max_n_shift) * dwords) << 3;
q->base = dmam_alloc_coherent(smmu->dev, qsz, &q->base_dma,
GFP_KERNEL);
if (q->base || qsz < PAGE_SIZE)
if (q->base || qsz <= PAGE_SIZE)
break;
q->llq.max_n_shift--;