diff options
| author | Dave Hansen <dave.hansen@linux.intel.com> | 2017-08-30 16:23:00 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-01-05 15:44:23 +0100 |
| commit | bed9bb7f3e6d4045013d2bb9e4004896de57f02b (patch) | |
| tree | 25284cd383867826b0303949ed3bd1ecdee87a68 /kernel | |
| parent | 8a43ddfb93a0c6ae1a6e1f5c25705ec5d1843c40 (diff) | |
kaiser: merged update
Merged fixes and cleanups, rebased to 4.4.89 tree (no 5-level paging).
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/fork.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 8f1931f5b0a5..3842ceddb7f9 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -58,6 +58,7 @@ #include <linux/tsacct_kern.h> #include <linux/cn_proc.h> #include <linux/freezer.h> +#include <linux/kaiser.h> #include <linux/delayacct.h> #include <linux/taskstats_kern.h> #include <linux/random.h> @@ -335,7 +336,6 @@ void set_task_stack_end_magic(struct task_struct *tsk) *stackend = STACK_END_MAGIC; /* for overflow detection */ } -extern void kaiser_add_mapping(unsigned long addr, unsigned long size, unsigned long flags); static struct task_struct *dup_task_struct(struct task_struct *orig, int node) { struct task_struct *tsk; @@ -357,9 +357,10 @@ static struct task_struct *dup_task_struct(struct task_struct *orig, int node) goto free_ti; tsk->stack = ti; -#ifdef CONFIG_KAISER - kaiser_add_mapping((unsigned long)tsk->stack, THREAD_SIZE, __PAGE_KERNEL); -#endif + + err= kaiser_add_mapping((unsigned long)tsk->stack, THREAD_SIZE, __PAGE_KERNEL); + if (err) + goto free_ti; #ifdef CONFIG_SECCOMP /* * We must handle setting up seccomp filters once we're under |