kernel.c File Reference

#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <limits.h>
#include <errno.h>
#include <stdbool.h>
#include <ubuntu20.04/kernel_5.15.0-76/include/linux/slab.h>
#include <ubuntu20.04/kernel_5.15.0-76/include/linux/spinlock.h>
#include <ubuntu20.04/kernel_5.15.0-76/include/asm/uaccess.h>
#include <assert.h>

Include dependency graph for kernel.c:

Macros
#define	spin_limit   80

Functions
static void	check_gfp_flags (gfp_t flags)
static void *	__kmalloc (size_t size, gfp_t flags)
static void *	__kmalloc_large (size_t size, gfp_t flags)
void *	kmalloc (int size, int flags)
void	kfree (const void *ptr)
void *	kmalloc_array (size_t n, size_t size, gfp_t flags)
void *	kcalloc (size_t n, size_t size, gfp_t flags)
unsigned long	copy_to_user (void *to, void *from, unsigned long size)
unsigned long	copy_from_user (void *to, void *from, unsigned long size)
void	spin_lock_init (spinlock_t *lock)
bool	spin_lock (spinlock_t *lock)
void	spin_unlock (spinlock_t *lock)

Variables
char	user_memory [USER_MEMORY_SPACE]
char	kernel_memory [KERNEL_MEMORY_SPACE]

Macro Definition Documentation

spin_limit

#define spin_limit   80

Function Documentation

__kmalloc()

void * __kmalloc ( size_t size, gfp_t flags )

static

__kmalloc_large()

void * __kmalloc_large ( size_t size, gfp_t flags )

static

check_gfp_flags()

void check_gfp_flags ( gfp_t flags )

static

copy_from_user()

unsigned long copy_from_user	(	void *	to,
		void *	from,
		unsigned long	size )

copy_to_user()

unsigned long copy_to_user	(	void *	to,
		void *	from,
		unsigned long	size )

kcalloc()

void * kcalloc	(	size_t	n,
		size_t	size,
		gfp_t	flags )

kfree()

void kfree

(

const void *

ptr

)

kmalloc()

void * kmalloc	(	int	size,
		int	flags )

kmalloc_array()

void * kmalloc_array	(	size_t	n,
		size_t	size,
		gfp_t	flags )

spin_lock()

bool spin_lock

(

spinlock_t *

lock

)

spin_lock_init()

void spin_lock_init

(

spinlock_t *

lock

)

spin_unlock()

void spin_unlock

(

spinlock_t *

lock

)

Variable Documentation

kernel_memory

char kernel_memory[KERNEL_MEMORY_SPACE]

user_memory

char user_memory[USER_MEMORY_SPACE]