The VDSO is part of the kernel image and therefore the struct pages are marked as reserved during boot.
As we install a special mapping, the actual struct pages will never be exposed to MM via the page tables. We can therefore leave the pages marked as reserved. Cc: Palmer Dabbelt <[email protected]> Cc: Albert Ou <[email protected]> Cc: Tobias Klauser <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Michal Hocko <[email protected]> Cc: Matthew Wilcox <[email protected]> Acked-by: Palmer Dabbelt <[email protected]> Signed-off-by: David Hildenbrand <[email protected]> --- arch/riscv/kernel/vdso.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/riscv/kernel/vdso.c b/arch/riscv/kernel/vdso.c index 582cb153eb24..0cd044122234 100644 --- a/arch/riscv/kernel/vdso.c +++ b/arch/riscv/kernel/vdso.c @@ -54,7 +54,6 @@ static int __init vdso_init(void) struct page *pg; pg = virt_to_page(vdso_start + (i << PAGE_SHIFT)); - ClearPageReserved(pg); vdso_pagelist[i] = pg; } vdso_pagelist[i] = virt_to_page(vdso_data); -- 2.17.2
