tracing: Avoid sleep in atomic context



Make alloc flags from GFP_KERNEL to GFP_ATOMIC.

CRs-Fixed: 2301673
Change-Id: I572ab5956c38366c23e29961d6736283ff4932ce
Signed-off-by: Zhenhua Huang <zhenhuah@codeaurora.org>

parent 315bb5ae

kernel/trace/trace.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -4678,7 +4678,7 @@ tracing_saved_tgids_read(struct file file, char __user ubuf,
		preempt_disable();
		arch_spin_lock(&trace_cmdline_lock);

		pids = kmalloc_array(savedcmd->cmdline_num, 2*sizeof(int), GFP_KERNEL);
		pids = kmalloc_array(savedcmd->cmdline_num, 2*sizeof(int), GFP_ATOMIC);
		if (!pids) {
		arch_spin_unlock(&trace_cmdline_lock);
		preempt_enable();