arch/arm/memory.rst

2 Kernel Memory Layout on ARM Linux
9 This document describes the virtual memory layout which the Linux
39 				in proc-xscale.S to flush the whole data
53 ff800000	ffbfffff	Permanent, fixed read-only mapping of the
59 VMALLOC_START	VMALLOC_END-1	vmalloc() / ioremap() space.
68 PAGE_OFFSET	high_memory-1	Kernel direct-mapped RAM region.
72 PKMAP_BASE	PAGE_OFFSET-1	Permanent kernel mappings
76 MODULES_VADDR	MODULES_END-1	Kernel module space
80 TASK_SIZE	MODULES_VADDR-1	KASAn shadow memory when KASan is in use.
85 00001000	TASK_SIZE-1	User space mappings
86 				Per-thread mappings are placed here via
97 in a non-bootable kernel, or may cause the kernel to (eventually) panic
100 Since future CPUs may impact the kernel mapping layout, user programs