On Mon, Dec 18, 2023 at 01:58:37PM +0000, Matthew Wilcox (Oracle) wrote: > On 32-bit systems, we'll lose the top bits of index because arithmetic > will be performed in unsigned long instead of unsigned long long. This > affects files over 4GB in size. > > Fixes: 6100e34b2526 ("mm, memory_failure: Teach memory_failure() about dev_pagemap pages") > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Acked-by: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>