From: Christoph Hellwig <hch@xxxxxx> Subject: mm: mark the page referenced in gup_hugepte All other get_user_page_fast cases mark the page referenced, so do this here as well. Link: http://lkml.kernel.org/r/20190625143715.1689-17-hch@xxxxxx Signed-off-by: Christoph Hellwig <hch@xxxxxx> Cc: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> Cc: David Miller <davem@xxxxxxxxxxxxx> Cc: James Hogan <jhogan@xxxxxxxxxx> Cc: Jason Gunthorpe <jgg@xxxxxxxxxxxx> Cc: Khalid Aziz <khalid.aziz@xxxxxxxxxx> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Cc: Nicholas Piggin <npiggin@xxxxxxxxx> Cc: Paul Burton <paul.burton@xxxxxxxx> Cc: Paul Mackerras <paulus@xxxxxxxxx> Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx> Cc: Rich Felker <dalias@xxxxxxxx> Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/gup.c | 1 + 1 file changed, 1 insertion(+) --- a/mm/gup.c~mm-mark-the-page-referenced-in-gup_hugepte +++ a/mm/gup.c @@ -2020,6 +2020,7 @@ static int gup_hugepte(pte_t *ptep, unsi return 0; } + SetPageReferenced(head); return 1; } _
