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swiotlb: remove unused swiotlb_alloc_boot()

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Nobody uses swiotlb_alloc_boot().

Signed-off-by: FUJITA Tomonori <[email protected]>
Acked-by: Becky Bruce <[email protected]>
This commit is contained in:
FUJITA Tomonori 2009-07-10 10:04:50 +09:00
commit 3885123da8
3 changed files with 1 additions and 13 deletions
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7
lib/swiotlb.c
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@ -114,11 +114,6 @@ setup_io_tlb_npages(char *str)
__setup("swiotlb=", setup_io_tlb_npages);
/* make io_tlb_overflow tunable too? */
void * __weak __init swiotlb_alloc_boot(size_t size, unsigned long nslabs)
{
return alloc_bootmem_low_pages(size);
}
void * __weak swiotlb_alloc(unsigned order, unsigned long nslabs)
{
return (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN, order);
@ -189,7 +184,7 @@ swiotlb_init_with_default_size(size_t default_size)
/*
* Get IO TLB memory from the low pages
*/
io_tlb_start = swiotlb_alloc_boot(bytes, io_tlb_nslabs);
io_tlb_start = alloc_bootmem_low_pages(bytes);
if (!io_tlb_start)
panic("Cannot allocate SWIOTLB buffer");
io_tlb_end = io_tlb_start + bytes;