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-rw-r--r--fs/select.c2
-rw-r--r--include/linux/poll.h4
2 files changed, 1 insertions, 5 deletions
diff --git a/fs/select.c b/fs/select.c
index 11a3b1312abe..9515c3fa1a03 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -476,7 +476,7 @@ static inline void wait_key_set(poll_table *wait, unsigned long in,
wait->_key |= POLLOUT_SET;
}
-static int do_select(int n, fd_set_bits *fds, struct timespec64 *end_time)
+static noinline_for_stack int do_select(int n, fd_set_bits *fds, struct timespec64 *end_time)
{
ktime_t expire, *to = NULL;
struct poll_wqueues table;
diff --git a/include/linux/poll.h b/include/linux/poll.h
index a9e0e1c2d1f2..d1ea4f3714a8 100644
--- a/include/linux/poll.h
+++ b/include/linux/poll.h
@@ -14,11 +14,7 @@
/* ~832 bytes of stack space used max in sys_select/sys_poll before allocating
additional memory. */
-#ifdef __clang__
-#define MAX_STACK_ALLOC 768
-#else
#define MAX_STACK_ALLOC 832
-#endif
#define FRONTEND_STACK_ALLOC 256
#define SELECT_STACK_ALLOC FRONTEND_STACK_ALLOC
#define POLL_STACK_ALLOC FRONTEND_STACK_ALLOC