Lines Matching refs:memory

169 	  smaller kernel memory footprint results from using a smaller
179 	  performance on memory-intensive applications, a page size of 64KB
182 	  memory more efficiently at some cost in TLB performance.
230 	  amount of physical memory, not all of it can be "permanently
231 	  mapped" by the kernel. The physical memory that's not
232 	  permanently mapped is called "high memory".
237 	  physical memory into the top 1 GB of virtual memory space.
263 	  NUMA memory allocation is required for TILE processors
264 	  unless booting with memory striping enabled in the
265 	  hypervisor, or with only a single memory controller.
269 	int "Log base 2 of the max number of memory controllers"
281 	  Select the desired split between kernel and user memory.
284 	  physical memory installed, the remaining memory will be available
285 	  as "high memory". Accessing high memory is a little more costly
286 	  than low memory, as it needs to be mapped into the kernel first.
303 		bool "2.75G/1.25G user/kernel split (for full 1G low memory)"