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

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