Lines Matching +full:memory +full:- +full:mapped

1 # SPDX-License-Identifier: GPL-2.0-only
106 	  supply some command-line options at build time by entering them
131 	  aspects of kernel memory management.
139 	bool "High memory support"
144 	  space as well as some memory mapped IO. That means that, if you
145 	  have a large amount of physical memory and/or IO, not all of the
146 	  memory can be "permanently mapped" by the kernel. The physical
147 	  memory that is not permanently mapped is called "high memory".
152 	bool "Set maximum low memory"
155 	  This option allows you to set the maximum amount of memory which
156 	  will be used as "low memory", that is, memory which the kernel can
159 	  memory.
164 	hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
174 	  If non-zero, a jump instruction to this address, will be written
183 	  the kernel will map low memory (the kernel image will be linked at
184 	  this address).  This can be useful in optimizing the virtual memory
199 	  virtual memory layout of the system.