tag	line	file	source code
shp	55	ipc/shm.c	struct shmid_ds *shp;
shp	58	ipc/shm.c	while ((shp = shm_segs[id]) == IPC_NOID)
shp	60	ipc/shm.c	if (shp == IPC_UNUSED)
shp	62	ipc/shm.c	if (key == shp->shm_perm.key)
shp	73	ipc/shm.c	struct shmid_ds *shp;
shp	89	ipc/shm.c	shp = (struct shmid_ds *) kmalloc (sizeof (*shp), GFP_KERNEL);
shp	90	ipc/shm.c	if (!shp) {
shp	97	ipc/shm.c	shp->shm_pages = (ulong *) kmalloc (numpages*sizeof(ulong),GFP_KERNEL);
shp	98	ipc/shm.c	if (!shp->shm_pages) {
shp	102	ipc/shm.c	kfree(shp);
shp	106	ipc/shm.c	for (i = 0; i < numpages; shp->shm_pages[i++] = 0);
shp	108	ipc/shm.c	shp->shm_perm.key = key;
shp	109	ipc/shm.c	shp->shm_perm.mode = (shmflg & S_IRWXUGO);
shp	110	ipc/shm.c	shp->shm_perm.cuid = shp->shm_perm.uid = current->euid;
shp	111	ipc/shm.c	shp->shm_perm.cgid = shp->shm_perm.gid = current->egid;
shp	112	ipc/shm.c	shp->shm_perm.seq = shm_seq;
shp	113	ipc/shm.c	shp->shm_segsz = size;
shp	114	ipc/shm.c	shp->shm_cpid = current->pid;
shp	115	ipc/shm.c	shp->attaches = NULL;
shp	116	ipc/shm.c	shp->shm_lpid = shp->shm_nattch = 0;
shp	117	ipc/shm.c	shp->shm_atime = shp->shm_dtime = 0;
shp	118	ipc/shm.c	shp->shm_ctime = CURRENT_TIME;
shp	119	ipc/shm.c	shp->shm_npages = numpages;
shp	123	ipc/shm.c	shm_segs[id] = shp;
shp	127	ipc/shm.c	return (unsigned int) shp->shm_perm.seq * SHMMNI + id;
shp	132	ipc/shm.c	struct shmid_ds *shp;
shp	146	ipc/shm.c	shp = shm_segs[id];
shp	147	ipc/shm.c	if (shp->shm_perm.mode & SHM_DEST)
shp	149	ipc/shm.c	if (size > shp->shm_segsz)
shp	151	ipc/shm.c	if (ipcperms (&shp->shm_perm, shmflg))
shp	153	ipc/shm.c	return (unsigned int) shp->shm_perm.seq * SHMMNI + id;
shp	162	ipc/shm.c	struct shmid_ds *shp;
shp	166	ipc/shm.c	shp = shm_segs[id];
shp	167	ipc/shm.c	if (shp == IPC_NOID || shp == IPC_UNUSED) {
shp	171	ipc/shm.c	shp->shm_perm.seq++;     /* for shmat */
shp	177	ipc/shm.c	if (!shp->shm_pages) {
shp	181	ipc/shm.c	numpages = shp->shm_npages;
shp	183	ipc/shm.c	if (!(page = shp->shm_pages[i]))
shp	193	ipc/shm.c	kfree(shp->shm_pages);
shp	195	ipc/shm.c	kfree(shp);
shp	202	ipc/shm.c	struct shmid_ds *shp;
shp	259	ipc/shm.c	shp = shm_segs[shmid];
shp	260	ipc/shm.c	if (shp == IPC_UNUSED || shp == IPC_NOID)
shp	262	ipc/shm.c	if (ipcperms (&shp->shm_perm, S_IRUGO))
shp	264	ipc/shm.c	id = (unsigned int) shp->shm_perm.seq * SHMMNI + shmid;
shp	265	ipc/shm.c	tbuf.shm_perm   = shp->shm_perm;
shp	266	ipc/shm.c	tbuf.shm_segsz  = shp->shm_segsz;
shp	267	ipc/shm.c	tbuf.shm_atime  = shp->shm_atime;
shp	268	ipc/shm.c	tbuf.shm_dtime  = shp->shm_dtime;
shp	269	ipc/shm.c	tbuf.shm_ctime  = shp->shm_ctime;
shp	270	ipc/shm.c	tbuf.shm_cpid   = shp->shm_cpid;
shp	271	ipc/shm.c	tbuf.shm_lpid   = shp->shm_lpid;
shp	272	ipc/shm.c	tbuf.shm_nattch = shp->shm_nattch;
shp	277	ipc/shm.c	shp = shm_segs[id = (unsigned int) shmid % SHMMNI];
shp	278	ipc/shm.c	if (shp == IPC_UNUSED || shp == IPC_NOID)
shp	280	ipc/shm.c	if (shp->shm_perm.seq != (unsigned int) shmid / SHMMNI)
shp	282	ipc/shm.c	ipcp = &shp->shm_perm;
shp	310	ipc/shm.c	tbuf.shm_perm   = shp->shm_perm;
shp	311	ipc/shm.c	tbuf.shm_segsz  = shp->shm_segsz;
shp	312	ipc/shm.c	tbuf.shm_atime  = shp->shm_atime;
shp	313	ipc/shm.c	tbuf.shm_dtime  = shp->shm_dtime;
shp	314	ipc/shm.c	tbuf.shm_ctime  = shp->shm_ctime;
shp	315	ipc/shm.c	tbuf.shm_cpid   = shp->shm_cpid;
shp	316	ipc/shm.c	tbuf.shm_lpid   = shp->shm_lpid;
shp	317	ipc/shm.c	tbuf.shm_nattch = shp->shm_nattch;
shp	321	ipc/shm.c	if (suser() || current->euid == shp->shm_perm.uid ||
shp	322	ipc/shm.c	current->euid == shp->shm_perm.cuid) {
shp	327	ipc/shm.c	shp->shm_ctime = CURRENT_TIME;
shp	332	ipc/shm.c	if (suser() || current->euid == shp->shm_perm.uid ||
shp	333	ipc/shm.c	current->euid == shp->shm_perm.cuid) {
shp	334	ipc/shm.c	shp->shm_perm.mode |= SHM_DEST;
shp	335	ipc/shm.c	if (shp->shm_nattch <= 0)
shp	446	ipc/shm.c	struct shmid_ds *shp;
shp	457	ipc/shm.c	shp = shm_segs[id = (unsigned int) shmid % SHMMNI];
shp	458	ipc/shm.c	if (shp == IPC_UNUSED || shp == IPC_NOID) {
shp	466	ipc/shm.c	if (!(addr = get_unmapped_area(shp->shm_segsz)))
shp	474	ipc/shm.c	if ((addr > current->mm->start_stack - 16384 - PAGE_SIZE*shp->shm_npages)) {
shp	480	ipc/shm.c	if (!(addr >= shmd->vm_end || addr + shp->shm_segsz <= shmd->vm_start)) {
shp	486	ipc/shm.c	if (ipcperms(&shp->shm_perm, shmflg & SHM_RDONLY ? S_IRUGO : S_IRUGO|S_IWUGO))
shp	488	ipc/shm.c	if (shp->shm_perm.seq != (unsigned int) shmid / SHMMNI)
shp	494	ipc/shm.c	if ((shp != shm_segs[id]) || (shp->shm_perm.seq != (unsigned int) shmid / SHMMNI)) {
shp	502	ipc/shm.c	shmd->vm_end = addr + shp->shm_npages * PAGE_SIZE;
shp	513	ipc/shm.c	shp->shm_nattch++;            /* prevent destruction */
shp	515	ipc/shm.c	if (--shp->shm_nattch <= 0 && shp->shm_perm.mode & SHM_DEST)
shp	521	ipc/shm.c	shmd->vm_next_share = shp->attaches;
shp	522	ipc/shm.c	shp->attaches = shmd;
shp	523	ipc/shm.c	shp->shm_lpid = current->pid;
shp	524	ipc/shm.c	shp->shm_atime = CURRENT_TIME;
shp	534	ipc/shm.c	struct shmid_ds *shp;
shp	537	ipc/shm.c	shp = shm_segs[id];
shp	538	ipc/shm.c	if (shp == IPC_UNUSED) {
shp	542	ipc/shm.c	shmd->vm_next_share = shp->attaches;
shp	543	ipc/shm.c	shp->attaches = shmd;
shp	544	ipc/shm.c	shp->shm_nattch++;
shp	545	ipc/shm.c	shp->shm_atime = CURRENT_TIME;
shp	546	ipc/shm.c	shp->shm_lpid = current->pid;
shp	558	ipc/shm.c	struct shmid_ds *shp;
shp	565	ipc/shm.c	shp = shm_segs[id];
shp	566	ipc/shm.c	for (shmdp = &shp->attaches; *shmdp; shmdp = &(*shmdp)->vm_next_share)
shp	581	ipc/shm.c	shp->shm_lpid = current->pid;
shp	582	ipc/shm.c	shp->shm_dtime = CURRENT_TIME;
shp	583	ipc/shm.c	if (--shp->shm_nattch <= 0 && shp->shm_perm.mode & SHM_DEST)
shp	610	ipc/shm.c	struct shmid_ds *shp;
shp	618	ipc/shm.c	shp = shm_segs[id];
shp	619	ipc/shm.c	if (shp == IPC_UNUSED || shp == IPC_NOID) {
shp	624	ipc/shm.c	if (idx >= shp->shm_npages) {
shp	629	ipc/shm.c	if (!(shp->shm_pages[idx] & PAGE_PRESENT)) {
shp	634	ipc/shm.c	if (shp->shm_pages[idx] & PAGE_PRESENT) {
shp	638	ipc/shm.c	if (shp->shm_pages[idx]) {
shp	639	ipc/shm.c	read_swap_page (shp->shm_pages[idx], (char *) page);
shp	640	ipc/shm.c	if (shp->shm_pages[idx] & PAGE_PRESENT)  {
shp	644	ipc/shm.c	swap_free (shp->shm_pages[idx]);
shp	648	ipc/shm.c	shp->shm_pages[idx] = page | (PAGE_SHARED | PAGE_DIRTY);
shp	654	ipc/shm.c	page = shp->shm_pages[idx];
shp	670	ipc/shm.c	struct shmid_ds *shp;
shp	681	ipc/shm.c	shp = shm_segs[swap_id];
shp	682	ipc/shm.c	if (shp == IPC_UNUSED || shp == IPC_NOID || shp->shm_perm.mode & SHM_LOCKED ) {
shp	692	ipc/shm.c	if (idx >= shp->shm_npages) {
shp	699	ipc/shm.c	page = shp->shm_pages[idx];
shp	710	ipc/shm.c	for (shmd = shp->attaches; shmd; shmd = shmd->vm_next_share) {
shp	745	ipc/shm.c	shp->shm_pages[idx] = swap_nr;