Function sys_munmap

components/lwp/lwp_syscall.c:2062–2065

* @brief Unmaps a memory region previously mapped with mmap or mmap2. * * This system call implements the `munmap` system call, which removes a mapping * for a region of memory that was previously created using `mmap` or `mmap2`. * * @param addr The starting address of the memory region to unmap. This address * must be page-aligned and refer to a region previously mapped. * @par

 * @see mmap(), mmap2(), msync()
 */
sysret_t sys_munmap(void *addr, size_t length)
{
    return lwp_munmap(lwp_self(), addr, length);
}

/**
 * @brief Changes the size or location of an existing memory mapping.