Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
Merge branch 'stable/swiotlb-0.9' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb-2.6
* 'stable/swiotlb-0.9' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb-2.6:
swiotlb: Use page alignment for early buffer allocation
swiotlb: make io_tlb_overflow static
+9
-9
lib/swiotlb.c
+9
-9
lib/swiotlb.c
···
70
*/
71
static unsigned long io_tlb_overflow = 32*1024;
72
73
-
void *io_tlb_overflow_buffer;
74
75
/*
76
* This is a free list describing the number of free entries available from
···
147
* to find contiguous free memory regions of size up to IO_TLB_SEGSIZE
148
* between io_tlb_start and io_tlb_end.
149
*/
150
-
io_tlb_list = alloc_bootmem(io_tlb_nslabs * sizeof(int));
151
for (i = 0; i < io_tlb_nslabs; i++)
152
io_tlb_list[i] = IO_TLB_SEGSIZE - OFFSET(i, IO_TLB_SEGSIZE);
153
io_tlb_index = 0;
154
-
io_tlb_orig_addr = alloc_bootmem(io_tlb_nslabs * sizeof(phys_addr_t));
155
156
/*
157
* Get the overflow emergency buffer
158
*/
159
-
io_tlb_overflow_buffer = alloc_bootmem_low(io_tlb_overflow);
160
if (!io_tlb_overflow_buffer)
161
panic("Cannot allocate SWIOTLB overflow buffer!\n");
162
if (verbose)
···
182
/*
183
* Get IO TLB memory from the low pages
184
*/
185
-
io_tlb_start = alloc_bootmem_low_pages(bytes);
186
if (!io_tlb_start)
187
panic("Cannot allocate SWIOTLB buffer");
188
···
308
get_order(io_tlb_nslabs << IO_TLB_SHIFT));
309
} else {
310
free_bootmem_late(__pa(io_tlb_overflow_buffer),
311
-
io_tlb_overflow);
312
free_bootmem_late(__pa(io_tlb_orig_addr),
313
-
io_tlb_nslabs * sizeof(phys_addr_t));
314
free_bootmem_late(__pa(io_tlb_list),
315
-
io_tlb_nslabs * sizeof(int));
316
free_bootmem_late(__pa(io_tlb_start),
317
-
io_tlb_nslabs << IO_TLB_SHIFT);
318
}
319
}
320
···
70
*/
71
static unsigned long io_tlb_overflow = 32*1024;
72
73
+
static void *io_tlb_overflow_buffer;
74
75
/*
76
* This is a free list describing the number of free entries available from
···
147
* to find contiguous free memory regions of size up to IO_TLB_SEGSIZE
148
* between io_tlb_start and io_tlb_end.
149
*/
150
+
io_tlb_list = alloc_bootmem_pages(PAGE_ALIGN(io_tlb_nslabs * sizeof(int)));
151
for (i = 0; i < io_tlb_nslabs; i++)
152
io_tlb_list[i] = IO_TLB_SEGSIZE - OFFSET(i, IO_TLB_SEGSIZE);
153
io_tlb_index = 0;
154
+
io_tlb_orig_addr = alloc_bootmem_pages(PAGE_ALIGN(io_tlb_nslabs * sizeof(phys_addr_t)));
155
156
/*
157
* Get the overflow emergency buffer
158
*/
159
+
io_tlb_overflow_buffer = alloc_bootmem_low_pages(PAGE_ALIGN(io_tlb_overflow));
160
if (!io_tlb_overflow_buffer)
161
panic("Cannot allocate SWIOTLB overflow buffer!\n");
162
if (verbose)
···
182
/*
183
* Get IO TLB memory from the low pages
184
*/
185
+
io_tlb_start = alloc_bootmem_low_pages(PAGE_ALIGN(bytes));
186
if (!io_tlb_start)
187
panic("Cannot allocate SWIOTLB buffer");
188
···
308
get_order(io_tlb_nslabs << IO_TLB_SHIFT));
309
} else {
310
free_bootmem_late(__pa(io_tlb_overflow_buffer),
311
+
PAGE_ALIGN(io_tlb_overflow));
312
free_bootmem_late(__pa(io_tlb_orig_addr),
313
+
PAGE_ALIGN(io_tlb_nslabs * sizeof(phys_addr_t)));
314
free_bootmem_late(__pa(io_tlb_list),
315
+
PAGE_ALIGN(io_tlb_nslabs * sizeof(int)));
316
free_bootmem_late(__pa(io_tlb_start),
317
+
PAGE_ALIGN(io_tlb_nslabs << IO_TLB_SHIFT));
318
}
319
}
320