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authorAndy Lutomirski <luto@kernel.org>2016-08-11 02:35:21 -0700
committerIngo Molnar <mingo@kernel.org>2016-08-24 12:11:41 +0200
commitba14a194a434ccc8f733e263ad2ce941e35e5787 (patch)
treef4d353dea3ae496447785e4c447ef6e9a4c24e42 /arch/ia64
parenteb4e841099f813c2df5fbb00ae4a9d315cb7c9dc (diff)
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fork: Add generic vmalloced stack support
If CONFIG_VMAP_STACK=y is selected, kernel stacks are allocated with __vmalloc_node_range(). Grsecurity has had a similar feature (called GRKERNSEC_KSTACKOVERFLOW=y) for a long time. Signed-off-by: Andy Lutomirski <luto@kernel.org> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/14c07d4fd173a5b117f51e8b939f9f4323e39899.1470907718.git.luto@kernel.org [ Minor edits. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/include/asm/thread_info.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/ia64/include/asm/thread_info.h b/arch/ia64/include/asm/thread_info.h
index 29bd59790d6c..c7026429816b 100644
--- a/arch/ia64/include/asm/thread_info.h
+++ b/arch/ia64/include/asm/thread_info.h
@@ -56,7 +56,7 @@ struct thread_info {
#define alloc_thread_stack_node(tsk, node) ((unsigned long *) 0)
#define task_thread_info(tsk) ((struct thread_info *) 0)
#endif
-#define free_thread_stack(ti) /* nothing */
+#define free_thread_stack(tsk) /* nothing */
#define task_stack_page(tsk) ((void *)(tsk))
#define __HAVE_THREAD_FUNCTIONS