#ifndef _ASM_X86_PGTABLE_32_AREAS_H
#define _ASM_X86_PGTABLE_32_AREAS_H
#include <asm /cpu_entry_area.h>
/*
* Just any arbitrary offset to the start of the vmalloc VM area : the
* current 8 MB value just means that there will be a 8 MB " hole " after the
* physical memory until the kernel virtual memory starts . That means that
* any out - of - bounds memory accesses will hopefully be caught .
* The vmalloc ( ) routines leaves a hole of 4 kB between each vmalloced
* area for the same reason . ; )
*/
#define VMALLOC_OFFSET (8 * 1024 * 1024 )
#ifndef __ASSEMBLER__
extern bool __vmalloc_start_set; /* set once high_memory is set */
#endif
#define VMALLOC_START ((unsigned long )high_memory + VMALLOC_OFFSET)
#ifdef CONFIG_X86_PAE
#define LAST_PKMAP 512
#else
#define LAST_PKMAP 1024
#endif
#define CPU_ENTRY_AREA_PAGES (NR_CPUS * DIV_ROUND_UP(sizeof (struct cpu_entry_area), PAGE_SIZE))
/* The +1 is for the readonly IDT page: */
#define CPU_ENTRY_AREA_BASE \
((FIXADDR_TOT_START - PAGE_SIZE*(CPU_ENTRY_AREA_PAGES+1 )) & PMD_MASK)
#define LDT_BASE_ADDR \
((CPU_ENTRY_AREA_BASE - PAGE_SIZE) & PMD_MASK)
#define LDT_END_ADDR (LDT_BASE_ADDR + PMD_SIZE)
#define PKMAP_BASE \
((LDT_BASE_ADDR - PAGE_SIZE) & PMD_MASK)
#ifdef CONFIG_HIGHMEM
# define VMALLOC_END (PKMAP_BASE - 2 * PAGE_SIZE)
#else
# define VMALLOC_END (LDT_BASE_ADDR - 2 * PAGE_SIZE)
#endif
#define MODULES_VADDR VMALLOC_START
#define MODULES_END VMALLOC_END
#define MODULES_LEN (MODULES_VADDR - MODULES_END)
#define MAXMEM (VMALLOC_END - PAGE_OFFSET - __VMALLOC_RESERVE)
#endif /* _ASM_X86_PGTABLE_32_AREAS_H */
Messung V0.5 in Prozent C=93 H=72 G=82
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-09-27)
¤
*© Formatika GbR, Deutschland