On Wed, 05 Dec 2018 04:28:48 PST (-0800), david@xxxxxxxxxx wrote:
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 <palmer@xxxxxxxxxx> Cc: Albert Ou <aou@xxxxxxxxxxxxxxxxx> Cc: Tobias Klauser <tklauser@xxxxxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxxxx> Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx> --- 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);
I'm going to assume this will go in through another tree along with the rest of the set assuming everyone else is happy with it.
Acked-by: Palmer Dabbelt <palmer@xxxxxxxxxx> Thanks!
