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Searched refs:shmaddr (Results 1 – 19 of 19) sorted by relevance

/kernel/linux/linux-5.10/tools/testing/selftests/vm/
Dhugepage-shm.c59 char *shmaddr; in main() local
68 shmaddr = shmat(shmid, ADDR, SHMAT_FLAGS); in main()
69 if (shmaddr == (char *)-1) { in main()
74 printf("shmaddr: %p\n", shmaddr); in main()
78 shmaddr[i] = (char)(i); in main()
86 if (shmaddr[i] != (char)i) { in main()
92 if (shmdt((const void *)shmaddr) != 0) { in main()
Dwrite_to_hugetlbfs.c31 static char *shmaddr; variable
51 if (shmdt((const void *)shmaddr) != 0) { in sig_handler()
/kernel/liteos_a/syscall/
Dvm_syscall.c81 void *SysShmAt(int shmid, const void *shmaddr, int shmflg) in SysShmAt() argument
85 ret = ShmAt(shmid, shmaddr, shmflg); in SysShmAt()
105 int SysShmDt(const void *shmaddr) in SysShmDt() argument
109 ret = ShmDt(shmaddr); in SysShmDt()
Dlos_syscall.h177 extern void *SysShmAt(int shmid, const void *shmaddr, int shmflg);
179 extern int SysShmDt(const void *shmaddr);
/kernel/liteos_a/kernel/base/vm/
Dshm.c516 INT32 ShmatParamCheck(const VOID *shmaddr, INT32 shmflg) in ShmatParamCheck() argument
518 if (((UINT32)shmflg & SHM_REMAP) && (shmaddr == NULL)) { in ShmatParamCheck()
522 if ((shmaddr != NULL) && !IS_PAGE_ALIGNED(shmaddr) && in ShmatParamCheck()
530 LosVmMapRegion *ShmatVmmAlloc(struct shmIDSource *seg, const VOID *shmaddr, in ShmatVmmAlloc() argument
541 if (shmaddr != NULL) { in ShmatVmmAlloc()
546 if (shmaddr == NULL) { in ShmatVmmAlloc()
550 vaddr = ROUNDDOWN((VADDR_T)(UINTPTR)shmaddr, SHMLBA); in ShmatVmmAlloc()
552 vaddr = (VADDR_T)(UINTPTR)shmaddr; in ShmatVmmAlloc()
577 VOID *ShmAt(INT32 shmid, const VOID *shmaddr, INT32 shmflg) in ShmAt() argument
585 ret = ShmatParamCheck(shmaddr, shmflg); in ShmAt()
[all …]
/kernel/linux/linux-5.10/include/linux/
Dshm.h17 long do_shmat(int shmid, char __user *shmaddr, int shmflg, unsigned long *addr,
27 static inline long do_shmat(int shmid, char __user *shmaddr, in do_shmat() argument
Dsyscalls.h823 asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg);
824 asmlinkage long sys_shmdt(char __user *shmaddr);
1364 long ksys_shmdt(char __user *shmaddr);
Dsecurity.h440 int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
1223 char __user *shmaddr, int shmflg) in security_shm_shmat() argument
Dlsm_hook_defs.h239 LSM_HOOK(int, 0, shm_shmat, struct kern_ipc_perm *perm, char __user *shmaddr,
Dcompat.h714 asmlinkage long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg);
/kernel/linux/linux-5.10/tools/testing/selftests/powerpc/benchmarks/
Dcontext_switch.c329 void *shmaddr; in futex_setup() local
337 shmaddr = shmat(shmid, NULL, 0); in futex_setup()
338 if (shmaddr == (char *)-1) { in futex_setup()
346 m1 = shmaddr; in futex_setup()
347 m2 = shmaddr + sizeof(*m1); in futex_setup()
/kernel/linux/linux-5.10/Documentation/sparc/
Dadi.rst187 char *shmaddr, *tmp_addr, *end, *veraddr, *clraddr;
219 shmaddr = shmat(shmid, NULL, 0);
220 if (shmaddr == (char *)-1) {
226 if (mprotect(shmaddr, BUFFER_SIZE, PROT_READ|PROT_WRITE|PROT_ADI)) {
234 tmp_addr = shmaddr;
235 end = shmaddr + BUFFER_SIZE;
248 tmp_addr = (void *) ((unsigned long)shmaddr << adi_nbits);
270 if (mprotect(shmaddr, BUFFER_SIZE, PROT_READ|PROT_WRITE)) {
275 if (shmdt((const void *)shmaddr) != 0)
282 if (shmdt((const void *)shmaddr) != 0)
/kernel/liteos_a/kernel/base/include/
Dlos_vm_syscall.h68 VOID *ShmAt(INT32 shmid, const VOID *shmaddr, INT32 shmflg);
70 INT32 ShmDt(const VOID *shmaddr);
/kernel/linux/linux-5.10/arch/xtensa/kernel/
Dsyscall.c43 asmlinkage long xtensa_shmat(int shmid, char __user *shmaddr, int shmflg) in xtensa_shmat() argument
48 err = do_shmat(shmid, shmaddr, shmflg, &ret, SHMLBA); in xtensa_shmat()
/kernel/linux/linux-5.10/ipc/
Dshm.c1512 long do_shmat(int shmid, char __user *shmaddr, int shmflg, in do_shmat() argument
1516 unsigned long addr = (unsigned long)shmaddr; in do_shmat()
1585 err = security_shm_shmat(&shp->shm_perm, shmaddr, shmflg); in do_shmat()
1686 SYSCALL_DEFINE3(shmat, int, shmid, char __user *, shmaddr, int, shmflg) in SYSCALL_DEFINE3() argument
1691 err = do_shmat(shmid, shmaddr, shmflg, &ret, SHMLBA); in SYSCALL_DEFINE3()
1704 COMPAT_SYSCALL_DEFINE3(shmat, int, shmid, compat_uptr_t, shmaddr, int, shmflg) in COMPAT_SYSCALL_DEFINE3() argument
1709 err = do_shmat(shmid, compat_ptr(shmaddr), shmflg, &ret, COMPAT_SHMLBA); in COMPAT_SYSCALL_DEFINE3()
1721 long ksys_shmdt(char __user *shmaddr) in ksys_shmdt() argument
1725 unsigned long addr = (unsigned long)shmaddr; in ksys_shmdt()
1828 SYSCALL_DEFINE1(shmdt, char __user *, shmaddr) in SYSCALL_DEFINE1() argument
[all …]
/kernel/linux/linux-5.10/Documentation/ia64/
Derr_inject.rst305 void *shmaddr;
336 shmaddr = shmat(shmid, (void *)SHM_VA, 0);
337 if (shmaddr == (void*)-1) {
342 memset(shmaddr, 0, SHM_SIZE);
343 mlock(shmaddr, SHM_SIZE);
350 munlock(shmaddr, SHM_SIZE);
351 shmdt(shmaddr);
865 va1=shmaddr+parameters[i].cpu*PAGE_SIZE;
866 va2=shmaddr+parameters[i].cpu*PAGE_SIZE+PAGE_SIZE;
/kernel/linux/linux-5.10/security/
Dsecurity.c1945 int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg) in security_shm_shmat() argument
1947 return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); in security_shm_shmat()
/kernel/linux/linux-5.10/security/smack/
Dsmack_lsm.c3008 static int smack_shm_shmat(struct kern_ipc_perm *isp, char __user *shmaddr, in smack_shm_shmat() argument
/kernel/linux/linux-5.10/security/selinux/
Dhooks.c6166 char __user *shmaddr, int shmflg) in selinux_shm_shmat() argument