tag	line	file	source code
shp	57	ipc/shm.c	struct shmid_ds *shp;
shp	60	ipc/shm.c	while ((shp = shm_segs[id]) == IPC_NOID)
shp	62	ipc/shm.c	if (shp == IPC_UNUSED)
shp	64	ipc/shm.c	if (key == shp->shm_perm.key)
shp	75	ipc/shm.c	struct shmid_ds *shp;
shp	91	ipc/shm.c	shp = (struct shmid_ds *) kmalloc (sizeof (*shp), GFP_KERNEL);
shp	92	ipc/shm.c	if (!shp) {
shp	99	ipc/shm.c	shp->shm_pages = (ulong *) kmalloc (numpages*sizeof(ulong),GFP_KERNEL);
shp	100	ipc/shm.c	if (!shp->shm_pages) {
shp	104	ipc/shm.c	kfree(shp);
shp	108	ipc/shm.c	for (i = 0; i < numpages; shp->shm_pages[i++] = 0);
shp	110	ipc/shm.c	shp->shm_perm.key = key;
shp	111	ipc/shm.c	shp->shm_perm.mode = (shmflg & S_IRWXUGO);
shp	112	ipc/shm.c	shp->shm_perm.cuid = shp->shm_perm.uid = current->euid;
shp	113	ipc/shm.c	shp->shm_perm.cgid = shp->shm_perm.gid = current->egid;
shp	114	ipc/shm.c	shp->shm_perm.seq = shm_seq;
shp	115	ipc/shm.c	shp->shm_segsz = size;
shp	116	ipc/shm.c	shp->shm_cpid = current->pid;
shp	117	ipc/shm.c	shp->attaches = NULL;
shp	118	ipc/shm.c	shp->shm_lpid = shp->shm_nattch = 0;
shp	119	ipc/shm.c	shp->shm_atime = shp->shm_dtime = 0;
shp	120	ipc/shm.c	shp->shm_ctime = CURRENT_TIME;
shp	121	ipc/shm.c	shp->shm_npages = numpages;
shp	125	ipc/shm.c	shm_segs[id] = shp;
shp	129	ipc/shm.c	return (unsigned int) shp->shm_perm.seq * SHMMNI + id;
shp	134	ipc/shm.c	struct shmid_ds *shp;
shp	148	ipc/shm.c	shp = shm_segs[id];
shp	149	ipc/shm.c	if (shp->shm_perm.mode & SHM_DEST)
shp	151	ipc/shm.c	if (size > shp->shm_segsz)
shp	153	ipc/shm.c	if (ipcperms (&shp->shm_perm, shmflg))
shp	155	ipc/shm.c	return (unsigned int) shp->shm_perm.seq * SHMMNI + id;
shp	164	ipc/shm.c	struct shmid_ds *shp;
shp	167	ipc/shm.c	shp = shm_segs[id];
shp	168	ipc/shm.c	if (shp == IPC_NOID || shp == IPC_UNUSED) {
shp	172	ipc/shm.c	shp->shm_perm.seq++;     /* for shmat */
shp	178	ipc/shm.c	if (!shp->shm_pages) {
shp	182	ipc/shm.c	numpages = shp->shm_npages;
shp	185	ipc/shm.c	pte_val(pte) = shp->shm_pages[i];
shp	196	ipc/shm.c	kfree(shp->shm_pages);
shp	198	ipc/shm.c	kfree(shp);
shp	205	ipc/shm.c	struct shmid_ds *shp;
shp	262	ipc/shm.c	shp = shm_segs[shmid];
shp	263	ipc/shm.c	if (shp == IPC_UNUSED || shp == IPC_NOID)
shp	265	ipc/shm.c	if (ipcperms (&shp->shm_perm, S_IRUGO))
shp	267	ipc/shm.c	id = (unsigned int) shp->shm_perm.seq * SHMMNI + shmid;
shp	268	ipc/shm.c	tbuf.shm_perm   = shp->shm_perm;
shp	269	ipc/shm.c	tbuf.shm_segsz  = shp->shm_segsz;
shp	270	ipc/shm.c	tbuf.shm_atime  = shp->shm_atime;
shp	271	ipc/shm.c	tbuf.shm_dtime  = shp->shm_dtime;
shp	272	ipc/shm.c	tbuf.shm_ctime  = shp->shm_ctime;
shp	273	ipc/shm.c	tbuf.shm_cpid   = shp->shm_cpid;
shp	274	ipc/shm.c	tbuf.shm_lpid   = shp->shm_lpid;
shp	275	ipc/shm.c	tbuf.shm_nattch = shp->shm_nattch;
shp	280	ipc/shm.c	shp = shm_segs[id = (unsigned int) shmid % SHMMNI];
shp	281	ipc/shm.c	if (shp == IPC_UNUSED || shp == IPC_NOID)
shp	283	ipc/shm.c	if (shp->shm_perm.seq != (unsigned int) shmid / SHMMNI)
shp	285	ipc/shm.c	ipcp = &shp->shm_perm;
shp	313	ipc/shm.c	tbuf.shm_perm   = shp->shm_perm;
shp	314	ipc/shm.c	tbuf.shm_segsz  = shp->shm_segsz;
shp	315	ipc/shm.c	tbuf.shm_atime  = shp->shm_atime;
shp	316	ipc/shm.c	tbuf.shm_dtime  = shp->shm_dtime;
shp	317	ipc/shm.c	tbuf.shm_ctime  = shp->shm_ctime;
shp	318	ipc/shm.c	tbuf.shm_cpid   = shp->shm_cpid;
shp	319	ipc/shm.c	tbuf.shm_lpid   = shp->shm_lpid;
shp	320	ipc/shm.c	tbuf.shm_nattch = shp->shm_nattch;
shp	324	ipc/shm.c	if (suser() || current->euid == shp->shm_perm.uid ||
shp	325	ipc/shm.c	current->euid == shp->shm_perm.cuid) {
shp	330	ipc/shm.c	shp->shm_ctime = CURRENT_TIME;
shp	335	ipc/shm.c	if (suser() || current->euid == shp->shm_perm.uid ||
shp	336	ipc/shm.c	current->euid == shp->shm_perm.cuid) {
shp	337	ipc/shm.c	shp->shm_perm.mode |= SHM_DEST;
shp	338	ipc/shm.c	if (shp->shm_nattch <= 0)
shp	376	ipc/shm.c	static inline void insert_attach (struct shmid_ds * shp, struct vm_area_struct * shmd)
shp	380	ipc/shm.c	if ((attaches = shp->attaches)) {
shp	386	ipc/shm.c	shp->attaches = shmd->vm_next_share = shmd->vm_prev_share = shmd;
shp	390	ipc/shm.c	static inline void remove_attach (struct shmid_ds * shp, struct vm_area_struct * shmd)
shp	393	ipc/shm.c	if (shp->attaches != shmd) {
shp	404	ipc/shm.c	shp->attaches = NULL;
shp	406	ipc/shm.c	if (shp->attaches == shmd)
shp	407	ipc/shm.c	shp->attaches = shmd->vm_next_share;
shp	456	ipc/shm.c	struct shmid_ds *shp;
shp	467	ipc/shm.c	shp = shm_segs[id = (unsigned int) shmid % SHMMNI];
shp	468	ipc/shm.c	if (shp == IPC_UNUSED || shp == IPC_NOID) {
shp	476	ipc/shm.c	if (!(addr = get_unmapped_area(0, shp->shm_segsz)))
shp	489	ipc/shm.c	addr > current->mm->start_stack - PAGE_SIZE*(shp->shm_npages + 4))
shp	495	ipc/shm.c	if ((shmd = find_vma_intersection(current, addr, addr + shp->shm_segsz))) {
shp	501	ipc/shm.c	if (ipcperms(&shp->shm_perm, shmflg & SHM_RDONLY ? S_IRUGO : S_IRUGO|S_IWUGO))
shp	503	ipc/shm.c	if (shp->shm_perm.seq != (unsigned int) shmid / SHMMNI)
shp	509	ipc/shm.c	if ((shp != shm_segs[id]) || (shp->shm_perm.seq != (unsigned int) shmid / SHMMNI)) {
shp	516	ipc/shm.c	shmd->vm_end = addr + shp->shm_npages * PAGE_SIZE;
shp	527	ipc/shm.c	shp->shm_nattch++;            /* prevent destruction */
shp	529	ipc/shm.c	if (--shp->shm_nattch <= 0 && shp->shm_perm.mode & SHM_DEST)
shp	535	ipc/shm.c	insert_attach(shp,shmd);  /* insert shmd into shp->attaches */
shp	537	ipc/shm.c	shp->shm_lpid = current->pid;
shp	538	ipc/shm.c	shp->shm_atime = CURRENT_TIME;
shp	548	ipc/shm.c	struct shmid_ds *shp;
shp	551	ipc/shm.c	shp = shm_segs[id];
shp	552	ipc/shm.c	if (shp == IPC_UNUSED) {
shp	556	ipc/shm.c	insert_attach(shp,shmd);  /* insert shmd into shp->attaches */
shp	557	ipc/shm.c	shp->shm_nattch++;
shp	558	ipc/shm.c	shp->shm_atime = CURRENT_TIME;
shp	559	ipc/shm.c	shp->shm_lpid = current->pid;
shp	570	ipc/shm.c	struct shmid_ds *shp;
shp	577	ipc/shm.c	shp = shm_segs[id];
shp	578	ipc/shm.c	remove_attach(shp,shmd);  /* remove from shp->attaches */
shp	579	ipc/shm.c	shp->shm_lpid = current->pid;
shp	580	ipc/shm.c	shp->shm_dtime = CURRENT_TIME;
shp	581	ipc/shm.c	if (--shp->shm_nattch <= 0 && shp->shm_perm.mode & SHM_DEST)
shp	608	ipc/shm.c	struct shmid_ds *shp;
shp	621	ipc/shm.c	shp = shm_segs[id];
shp	622	ipc/shm.c	if (shp == IPC_UNUSED || shp == IPC_NOID) {
shp	632	ipc/shm.c	if (idx >= shp->shm_npages) {
shp	637	ipc/shm.c	pte_val(pte) = shp->shm_pages[idx];
shp	644	ipc/shm.c	pte_val(pte) = shp->shm_pages[idx];
shp	651	ipc/shm.c	pte_val(pte) = shp->shm_pages[idx];
shp	661	ipc/shm.c	shp->shm_pages[idx] = pte_val(pte);
shp	680	ipc/shm.c	struct shmid_ds *shp;
shp	692	ipc/shm.c	shp = shm_segs[swap_id];
shp	693	ipc/shm.c	if (shp == IPC_UNUSED || shp == IPC_NOID || shp->shm_perm.mode & SHM_LOCKED ) {
shp	708	ipc/shm.c	if (idx >= shp->shm_npages)
shp	711	ipc/shm.c	pte_val(page) = shp->shm_pages[idx];
shp	725	ipc/shm.c	if (shp->attaches)
shp	726	ipc/shm.c	for (shmd = shp->attaches; ; ) {
shp	773	ipc/shm.c	if ((shmd = shmd->vm_next_share) == shp->attaches)
shp	779	ipc/shm.c	shp->shm_pages[idx] = swap_nr;