haiku/docs/develop/kernel/vm_store_anonumous_noswap

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static void anonymous_destroy(struct vm_store *store)
Free's the memory associated with store
static off_t anonymous_commit(struct vm_store *store, off_t size)
Returns 0
static int anonymous_has_page(struct vm_store *store, off_t offset)
Returns 0
static ssize_t anonymous_read(struct vm_store *store, off_t offset, iovecs *vecs)
Returns unimplemented
static ssize_t anonymous_write(struct vm_store *store, off_t offset, iovecs *vecs)
Returns 0
/*
static int anonymous_fault(struct vm_store *backing_store, struct vm_address_space *aspace, off_t offset)
*/
vm_store *vm_store_create_anonymous_noswap()
Allocates space for a vm_store. Populates its ops with the above, sets its cache and data to none.