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5 * User space memory access functions
48 * Test whether a block of memory is a valid user space address.
65 * access_ok: - Checks if a user space pointer is valid
69 * @addr: User space pointer to start of block to check
74 * Checks if a pointer to a block of memory in user space is valid.
80 * checks that the pointer is in the user space range - after calling
115 * do not verify the address space, that must have been done previously
132 * get_user: - Get a simple variable from user space.
134 * @ptr: Source address, in user space.
138 * This macro copies a single simple variable from user space to kernel
139 * space. It supports simple types like char and int, but not larger
180 * put_user: - Write a simple value into user space.
181 * @x: Value to copy to user space.
182 * @ptr: Destination address, in user space.
186 * This macro copies a single simple value from kernel space to user
187 * space. It supports simple types like char and int, but not larger
228 * __get_user: - Get a simple variable from user space, with less checking.
230 * @ptr: Source address, in user space.
234 * This macro copies a single simple variable from user space to kernel
235 * space. It supports simple types like char and int, but not larger
252 * __put_user: - Write a simple value into user space, with less checking.
253 * @x: Value to copy to user space.
254 * @ptr: Destination address, in user space.
258 * This macro copies a single simple value from kernel space to user
259 * space. It supports simple types like char and int, but not larger
401 * __copy_to_user_inatomic: - Copy a block of data into user space, with less checking.
402 * @to: Destination address, in user space.
403 * @from: Source address, in kernel space.
408 * Copy data from kernel space to user space. Caller must check
410 * The caller should also make sure he pins the user space address
441 * __copy_to_user: - Copy a block of data into user space, with less checking.
442 * @to: Destination address, in user space.
443 * @from: Source address, in kernel space.
448 * Copy data from kernel space to user space. Caller must check
488 * __copy_from_user: - Copy a block of data from user space, with less checking.
489 * @to: Destination address, in kernel space.
490 * @from: Source address, in user space.
495 * Copy data from user space to kernel space. Caller must check
571 * strlen_user: - Get the size of a string in user space.
576 * Get the size of a NUL-terminated string in user space.
