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authorLinus Torvalds <torvalds@linux-foundation.org>2023-02-27 20:38:51 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2023-02-27 20:38:51 +0300
commit6ffb575bebb983b982240372ecf976188451dd1c (patch)
tree99362e69db72f2387b651dd9b8b2ae3bf52419f8 /kernel
parent5a6d92493bb2e6e0a2fbb4a8b2c7ed97b4a5652b (diff)
parent9b07d27d0fbb7f7441aa986859a0f53ec93a0335 (diff)
downloadlinux-6ffb575bebb983b982240372ecf976188451dd1c.tar.xz
Merge tag 'dma-mapping-6.3-2022-02-27' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig: - remove a not very useful and now unused swiotlb API (Christoph Hellwig) - fix a section mismatch (Randy Dunlap) * tag 'dma-mapping-6.3-2022-02-27' of git://git.infradead.org/users/hch/dma-mapping: swiotlb: mark swiotlb_memblock_alloc() as __init swiotlb: remove swiotlb_max_segment
Diffstat (limited to 'kernel')
-rw-r--r--kernel/dma/swiotlb.c11
1 files changed, 2 insertions, 9 deletions
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index a34c38bbe28f..03e3251cd9d2 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -156,14 +156,6 @@ setup_io_tlb_npages(char *str)
}
early_param("swiotlb", setup_io_tlb_npages);
-unsigned int swiotlb_max_segment(void)
-{
- if (!io_tlb_default_mem.nslabs)
- return 0;
- return rounddown(io_tlb_default_mem.nslabs << IO_TLB_SHIFT, PAGE_SIZE);
-}
-EXPORT_SYMBOL_GPL(swiotlb_max_segment);
-
unsigned long swiotlb_size_or_default(void)
{
return default_nslabs << IO_TLB_SHIFT;
@@ -300,7 +292,8 @@ static void swiotlb_init_io_tlb_mem(struct io_tlb_mem *mem, phys_addr_t start,
return;
}
-static void *swiotlb_memblock_alloc(unsigned long nslabs, unsigned int flags,
+static void __init *swiotlb_memblock_alloc(unsigned long nslabs,
+ unsigned int flags,
int (*remap)(void *tlb, unsigned long nslabs))
{
size_t bytes = PAGE_ALIGN(nslabs << IO_TLB_SHIFT);