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swiotlb: remove unused swiotlb_alloc_boot()

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Nobody uses swiotlb_alloc_boot().

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Becky Bruce <beckyb@kernel.crashing.org>
This commit is contained in:
FUJITA Tomonori 2009-07-10 10:04:50 +09:00
parent 4733fd328f
commit 3885123da8
3 changed files with 1 additions and 13 deletions
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5
arch/x86/kernel/pci-swiotlb.c
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@ -13,11 +13,6 @@
int swiotlb __read_mostly; int swiotlb __read_mostly;
void * __init swiotlb_alloc_boot(size_t size, unsigned long nslabs)
{
return alloc_bootmem_low_pages(size);
}
void *swiotlb_alloc(unsigned order, unsigned long nslabs) void *swiotlb_alloc(unsigned order, unsigned long nslabs)
{ {
return (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN, order); return (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN, order);

2
include/linux/swiotlb.h
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@ -14,7 +14,6 @@ struct scatterlist;
*/ */
#define IO_TLB_SEGSIZE 128 #define IO_TLB_SEGSIZE 128
/* /*
* log of the size of each IO TLB slab. The number of slabs is command line * log of the size of each IO TLB slab. The number of slabs is command line
* controllable. * controllable.
@ -24,7 +23,6 @@ struct scatterlist;
extern void extern void
swiotlb_init(void); swiotlb_init(void);
extern void *swiotlb_alloc_boot(size_t bytes, unsigned long nslabs);
extern void *swiotlb_alloc(unsigned order, unsigned long nslabs); extern void *swiotlb_alloc(unsigned order, unsigned long nslabs);
extern dma_addr_t swiotlb_phys_to_bus(struct device *hwdev, extern dma_addr_t swiotlb_phys_to_bus(struct device *hwdev,

7
lib/swiotlb.c
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@ -114,11 +114,6 @@ setup_io_tlb_npages(char *str)
__setup("swiotlb=", setup_io_tlb_npages); __setup("swiotlb=", setup_io_tlb_npages);
/* make io_tlb_overflow tunable too? */ /* 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) void * __weak swiotlb_alloc(unsigned order, unsigned long nslabs)
{ {
return (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN, order); 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 * 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) if (!io_tlb_start)
panic("Cannot allocate SWIOTLB buffer"); panic("Cannot allocate SWIOTLB buffer");
io_tlb_end = io_tlb_start + bytes; io_tlb_end = io_tlb_start + bytes;