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Signed-off-by: Vincent Donnefort Reviewed-by: Masami Hiramatsu (Google) diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index fd4bfe3ecf01..ca796675c0a1 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -1472,7 +1472,8 @@ static int __rb_allocate_pages(struct ring_buffer_per= _cpu *cpu_buffer, =20 list_add(&bpage->list, pages); =20 - page =3D alloc_pages_node(cpu_to_node(cpu_buffer->cpu), mflags, + page =3D alloc_pages_node(cpu_to_node(cpu_buffer->cpu), + mflags | __GFP_ZERO, cpu_buffer->buffer->subbuf_order); if (!page) goto free_pages; @@ -1557,7 +1558,8 @@ rb_allocate_cpu_buffer(struct trace_buffer *buffer, l= ong nr_pages, int cpu) =20 cpu_buffer->reader_page =3D bpage; =20 - page =3D alloc_pages_node(cpu_to_node(cpu), GFP_KERNEL, cpu_buffer->buffe= r->subbuf_order); + page =3D alloc_pages_node(cpu_to_node(cpu), GFP_KERNEL | __GFP_ZERO, + cpu_buffer->buffer->subbuf_order); if (!page) goto fail_free_reader; bpage->page =3D page_address(page); @@ -5525,7 +5527,8 @@ ring_buffer_alloc_read_page(struct trace_buffer *buff= er, int cpu) if (bpage->data) goto out; =20 - page =3D alloc_pages_node(cpu_to_node(cpu), GFP_KERNEL | __GFP_NORETRY, + page =3D alloc_pages_node(cpu_to_node(cpu), + GFP_KERNEL | __GFP_NORETRY | __GFP_ZERO, cpu_buffer->buffer->subbuf_order); if (!page) { kfree(bpage); --=20 2.44.0.rc0.258.g7320e95886-goog