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-rw-r--r--arch/um/os-Linux/helper.c4
-rw-r--r--arch/um/os-Linux/signal.c2
-rw-r--r--arch/um/os-Linux/skas/process.c2
3 files changed, 4 insertions, 4 deletions
diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c
index 9fa6e4187d4f..32e88baf18dd 100644
--- a/arch/um/os-Linux/helper.c
+++ b/arch/um/os-Linux/helper.c
@@ -64,7 +64,7 @@ int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv)
goto out_close;
}
- sp = stack + UM_KERN_PAGE_SIZE - sizeof(void *);
+ sp = stack + UM_KERN_PAGE_SIZE;
data.pre_exec = pre_exec;
data.pre_data = pre_data;
data.argv = argv;
@@ -120,7 +120,7 @@ int run_helper_thread(int (*proc)(void *), void *arg, unsigned int flags,
if (stack == 0)
return -ENOMEM;
- sp = stack + UM_KERN_PAGE_SIZE - sizeof(void *);
+ sp = stack + UM_KERN_PAGE_SIZE;
pid = clone(proc, (void *) sp, flags, arg);
if (pid < 0) {
err = -errno;
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
index 1d501acb22ee..6de99bb16113 100644
--- a/arch/um/os-Linux/signal.c
+++ b/arch/um/os-Linux/signal.c
@@ -143,7 +143,7 @@ void set_sigstack(void *sig_stack, int size)
stack_t stack = {
.ss_flags = 0,
.ss_sp = sig_stack,
- .ss_size = size - sizeof(void *)
+ .ss_size = size
};
if (sigaltstack(&stack, NULL) != 0)
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index fba674fac8b7..87d3129e7362 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -327,7 +327,7 @@ int start_userspace(unsigned long stub_stack)
}
/* set stack pointer to the end of the stack page, so it can grow downwards */
- sp = (unsigned long) stack + UM_KERN_PAGE_SIZE - sizeof(void *);
+ sp = (unsigned long)stack + UM_KERN_PAGE_SIZE;
flags = CLONE_FILES | SIGCHLD;