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swiotlb: use the calculated number of areas

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Commit 8ac0406335 ("swiotlb: reduce the number of areas to match
actual memory pool size") calculated the reduced number of areas in
swiotlb_init_remap() but didn't actually use the value. Replace usage of
default_nareas accordingly.

Fixes: 8ac0406335 ("swiotlb: reduce the number of areas to match actual memory pool size")
Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Ross Lagerwall 2023-09-11 11:32:51 +01:00 committed by Christoph Hellwig
parent 0bb80ecc33
commit a6a241764f
1 changed files with 2 additions and 3 deletions
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5
kernel/dma/swiotlb.c
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@ -399,14 +399,13 @@ void __init swiotlb_init_remap(bool addressing_limit, unsigned int flags,
}
mem->areas = memblock_alloc(array_size(sizeof(struct io_tlb_area),
default_nareas), SMP_CACHE_BYTES);
nareas), SMP_CACHE_BYTES);
if (!mem->areas) {
pr_warn("%s: Failed to allocate mem->areas.\n", __func__);
return;
}
swiotlb_init_io_tlb_pool(mem, __pa(tlb), nslabs, false,
default_nareas);
swiotlb_init_io_tlb_pool(mem, __pa(tlb), nslabs, false, nareas);
add_mem_pool(&io_tlb_default_mem, mem);
if (flags & SWIOTLB_VERBOSE)