Re: [PATCH 1/1] mm: Fix struct page layout on 32-bit systems
From: Matthew Wilcox <willy@infradead.org>
Date: 2021-04-15 22:22:49
Also in:
linux-arm-kernel, linux-mips, linux-mm, lkml, netdev
On Thu, Apr 15, 2021 at 09:11:56PM +0000, David Laight wrote:
Isn't it possible to move the field down one long? This might require an explicit zero - but this is not a common code path - the extra write will be noise.
Then it overlaps page->mapping. See emails passim.