tag	line	file	source code
shp	51	ipc/shm.c	struct shmid_ds *shp;
shp	54	ipc/shm.c	while ((shp = shm_segs[id]) == IPC_NOID)
shp	56	ipc/shm.c	if (shp == IPC_UNUSED)
shp	58	ipc/shm.c	if (key == shp->shm_perm.key)
shp	69	ipc/shm.c	struct shmid_ds *shp;
shp	85	ipc/shm.c	shp = (struct shmid_ds *) kmalloc (sizeof (*shp), GFP_KERNEL);
shp	86	ipc/shm.c	if (!shp) {
shp	93	ipc/shm.c	shp->shm_pages = (ulong *) kmalloc (numpages*sizeof(ulong),GFP_KERNEL);
shp	94	ipc/shm.c	if (!shp->shm_pages) {
shp	98	ipc/shm.c	kfree(shp);
shp	102	ipc/shm.c	for (i=0; i< numpages; shp->shm_pages[i++] = 0);
shp	104	ipc/shm.c	shp->shm_perm.key = key;
shp	105	ipc/shm.c	shp->shm_perm.mode = (shmflg & S_IRWXUGO);
shp	106	ipc/shm.c	shp->shm_perm.cuid = shp->shm_perm.uid = current->euid;
shp	107	ipc/shm.c	shp->shm_perm.cgid = shp->shm_perm.gid = current->egid;
shp	108	ipc/shm.c	shp->shm_perm.seq = shm_seq;
shp	109	ipc/shm.c	shp->shm_segsz = size;
shp	110	ipc/shm.c	shp->shm_cpid = current->pid;
shp	111	ipc/shm.c	shp->attaches = NULL;
shp	112	ipc/shm.c	shp->shm_lpid = shp->shm_nattch = 0;
shp	113	ipc/shm.c	shp->shm_atime = shp->shm_dtime = 0;
shp	114	ipc/shm.c	shp->shm_ctime = CURRENT_TIME;
shp	115	ipc/shm.c	shp->shm_npages = numpages;
shp	119	ipc/shm.c	shm_segs[id] = shp;
shp	128	ipc/shm.c	struct shmid_ds *shp;
shp	142	ipc/shm.c	shp = shm_segs[id];
shp	143	ipc/shm.c	if (shp->shm_perm.mode & SHM_DEST)
shp	145	ipc/shm.c	if (size > shp->shm_segsz)
shp	147	ipc/shm.c	if (ipcperms (&shp->shm_perm, shmflg))
shp	149	ipc/shm.c	return shp->shm_perm.seq*SHMMNI + id;
shp	158	ipc/shm.c	struct shmid_ds *shp;
shp	162	ipc/shm.c	shp = shm_segs[id];
shp	163	ipc/shm.c	if (shp == IPC_NOID || shp == IPC_UNUSED) {
shp	167	ipc/shm.c	shp->shm_perm.seq++;     /* for shmat */
shp	168	ipc/shm.c	numpages = shp->shm_npages;
shp	174	ipc/shm.c	if (!shp->shm_pages) {
shp	179	ipc/shm.c	if (!(page = shp->shm_pages[i]))
shp	189	ipc/shm.c	kfree(shp->shm_pages);
shp	191	ipc/shm.c	kfree(shp);
shp	197	ipc/shm.c	struct shmid_ds *shp, tbuf;
shp	249	ipc/shm.c	err = verify_area (VERIFY_WRITE, buf, sizeof (*shp));
shp	254	ipc/shm.c	shp = shm_segs[shmid];
shp	255	ipc/shm.c	if (shp == IPC_UNUSED || shp == IPC_NOID)
shp	257	ipc/shm.c	if (ipcperms (&shp->shm_perm, S_IRUGO))
shp	259	ipc/shm.c	id = shmid + shp->shm_perm.seq * SHMMNI;
shp	260	ipc/shm.c	memcpy_tofs (buf, shp, sizeof(*shp));
shp	264	ipc/shm.c	shp = shm_segs[id = shmid % SHMMNI];
shp	265	ipc/shm.c	if (shp == IPC_UNUSED || shp == IPC_NOID)
shp	267	ipc/shm.c	ipcp = &shp->shm_perm;
shp	294	ipc/shm.c	err = verify_area (VERIFY_WRITE, buf, sizeof (*shp));
shp	297	ipc/shm.c	memcpy_tofs (buf, shp, sizeof(*shp));
shp	300	ipc/shm.c	if (suser() || current->euid == shp->shm_perm.uid ||
shp	301	ipc/shm.c	current->euid == shp->shm_perm.cuid) {
shp	306	ipc/shm.c	shp->shm_ctime = CURRENT_TIME;
shp	311	ipc/shm.c	if (suser() || current->euid == shp->shm_perm.uid ||
shp	312	ipc/shm.c	current->euid == shp->shm_perm.cuid) {
shp	313	ipc/shm.c	shp->shm_perm.mode |= SHM_DEST;
shp	314	ipc/shm.c	if (shp->shm_nattch <= 0)
shp	385	ipc/shm.c	struct shmid_ds *shp;
shp	400	ipc/shm.c	shp = shm_segs[id = shmid % SHMMNI];
shp	401	ipc/shm.c	if (shp == IPC_UNUSED || shp == IPC_NOID)
shp	415	ipc/shm.c	addr = (addr - shp->shm_segsz) & PAGE_MASK;
shp	422	ipc/shm.c	if ((addr > current->mm->start_stack - 16384 - PAGE_SIZE*shp->shm_npages))
shp	428	ipc/shm.c	if (addr + shp->shm_segsz >= shmd->start &&
shp	429	ipc/shm.c	addr + shp->shm_segsz < shmd->end)
shp	433	ipc/shm.c	if (ipcperms(&shp->shm_perm, shmflg & SHM_RDONLY ? S_IRUGO : S_IRUGO|S_IWUGO))
shp	435	ipc/shm.c	if (shp->shm_perm.seq != shmid / SHMMNI)
shp	441	ipc/shm.c	if ((shp != shm_segs[id]) || (shp->shm_perm.seq != shmid / SHMMNI)) {
shp	448	ipc/shm.c	shmd->end = addr + shp->shm_npages * PAGE_SIZE;
shp	451	ipc/shm.c	shp->shm_nattch++;            /* prevent destruction */
shp	459	ipc/shm.c	if (--shp->shm_nattch <= 0 && shp->shm_perm.mode & SHM_DEST)
shp	467	ipc/shm.c	shmd->seg_next = shp->attaches;
shp	468	ipc/shm.c	shp->attaches = shmd;
shp	469	ipc/shm.c	shp->shm_lpid = current->pid;
shp	470	ipc/shm.c	shp->shm_atime = CURRENT_TIME;
shp	485	ipc/shm.c	struct shmid_ds *shp;
shp	489	ipc/shm.c	shp = shm_segs[id];
shp	491	ipc/shm.c	for (shmdp = &shp->attaches; *shmdp; shmdp = &(*shmdp)->seg_next)
shp	499	ipc/shm.c	unmap_page_range (shmd->start, shp->shm_segsz); /* sleeps */
shp	501	ipc/shm.c	shp->shm_lpid = current->pid;
shp	502	ipc/shm.c	shp->shm_dtime = CURRENT_TIME;
shp	503	ipc/shm.c	if (--shp->shm_nattch <= 0 && shp->shm_perm.mode & SHM_DEST)
shp	543	ipc/shm.c	struct shmid_ds *shp;
shp	567	ipc/shm.c	shp = shm_segs[id];
shp	568	ipc/shm.c	if (shp == IPC_UNUSED) {
shp	572	ipc/shm.c	shmd->seg_next = shp->attaches;
shp	573	ipc/shm.c	shp->attaches = shmd;
shp	574	ipc/shm.c	shp->shm_nattch++;
shp	575	ipc/shm.c	shp->shm_atime = CURRENT_TIME;
shp	576	ipc/shm.c	shp->shm_lpid = current->pid;
shp	588	ipc/shm.c	struct shmid_ds *shp;
shp	596	ipc/shm.c	shp = shm_segs[id];
shp	597	ipc/shm.c	if (shp == IPC_UNUSED || shp == IPC_NOID) {
shp	602	ipc/shm.c	if (idx >= shp->shm_npages) {
shp	607	ipc/shm.c	if (!(shp->shm_pages[idx] & PAGE_PRESENT)) {
shp	613	ipc/shm.c	if (shp->shm_pages[idx] & PAGE_PRESENT) {
shp	617	ipc/shm.c	if (shp->shm_pages[idx]) {
shp	618	ipc/shm.c	read_swap_page (shp->shm_pages[idx], (char *) page);
shp	619	ipc/shm.c	if (shp->shm_pages[idx] & PAGE_PRESENT)  {
shp	623	ipc/shm.c	swap_free (shp->shm_pages[idx]);
shp	627	ipc/shm.c	shp->shm_pages[idx] = page | (PAGE_SHARED | PAGE_DIRTY);
shp	633	ipc/shm.c	page = shp->shm_pages[idx];
shp	650	ipc/shm.c	struct shmid_ds *shp;
shp	661	ipc/shm.c	shp = shm_segs[swap_id];
shp	662	ipc/shm.c	if (shp == IPC_UNUSED || shp == IPC_NOID || shp->shm_perm.mode & SHM_LOCKED ) {
shp	672	ipc/shm.c	if (idx  >= shp->shm_npages) {
shp	679	ipc/shm.c	page = shp->shm_pages[idx];
shp	690	ipc/shm.c	for (shmd = shp->attaches; shmd; shmd = shmd->seg_next) {
shp	727	ipc/shm.c	shp->shm_pages[idx] = swap_nr;