kmalloc API

• #include <linux/slab.h>

• void *kmalloc(size_t size, int flags); Allocate size bytes, and return a pointer to the area (virtual address) size: number of bytes to allocate flags: same flags as the page allocator

• void kfree (const void *objp); Free an allocated area

• Example: (drivers/infiniband/core/cache.c) struct ib_update_work *work; work = kmalloc(sizeof *work, GFP_ATOMIC); ... kfree(work);