Lines Matching refs:of
41 # people thing of when saying write combine, so very few platforms should
115 to allocate big physically-contiguous blocks of memory for use with
133 You can set the size of pernuma CMA by specifying "cma_pernuma=size"
144 Defines the size (in MiB) of the default memory area for Contiguous
145 Memory Allocator. If the size of 0 is selected, CMA is disabled by
150 int "Percentage of total memory"
155 Defines the size of the default memory area for Contiguous Memory
156 Allocator as a percentage of the total memory in the system.
179 int "Maximum PAGE_SIZE order of alignment for contiguous buffers"
189 expressed as a power of two multiplied by the PAGE_SIZE.
192 of 8 means that the buffers will be aligned up to 1MiB only.
199 bool "Enable debugging of DMA-API usage"
202 Enable this option to debug the use of the DMA API by device drivers.
204 drivers like double-freeing of DMA mappings or freeing mappings that
217 Perform extra checking that callers of dma_map_sg() have respected the
222 dma_map_sg() API is used for general bulk mapping of pages rather than
223 preparing literal scatter-gather descriptors, where there is a risk of
225 is technically out-of-spec.