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

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