From: Christoph Lameter <cl@linux.com>
To: Dave Hansen <dave@sr71.net>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
akpm@linux-foundation.org, penberg@kernel.org
Subject: Re: [RFC][PATCH 5/9] mm: rearrange struct page
Date: Fri, 17 Jan 2014 08:58:17 -0600 (CST) [thread overview]
Message-ID: <alpine.DEB.2.10.1401170857230.1943@nuc> (raw)
In-Reply-To: <52D85D33.4080509@sr71.net>
On Thu, 16 Jan 2014, Dave Hansen wrote:
> Why does it matter *specifically* that "index shares space with
> freelist", or that "mapping shares space with s_mem"? No data is ever
> handed off in those fields.
If the field is corrupted then one needs to figure out what other ways of
using this field exists. If one wants to change the page struct fields
then also knowlege about possible interconnections are important.
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next prev parent reply other threads:[~2014-01-17 14:58 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-14 18:00 [RFC][PATCH 0/9] re-shrink 'struct page' when SLUB is on Dave Hansen
2014-01-14 18:00 ` [RFC][PATCH 1/9] mm: slab/slub: use page->list consistently instead of page->lru Dave Hansen
2014-01-14 19:31 ` Christoph Lameter
2014-01-15 2:31 ` David Rientjes
2014-01-15 6:58 ` Dave Hansen
2014-01-15 7:16 ` David Rientjes
2014-01-16 0:11 ` Kirill A. Shutemov
2014-01-14 18:00 ` [RFC][PATCH 2/9] mm: slub: abstract out double cmpxchg option Dave Hansen
2014-01-14 19:49 ` Christoph Lameter
2014-01-14 21:41 ` Dave Hansen
2014-01-15 2:37 ` David Rientjes
2014-01-16 16:45 ` Christoph Lameter
2014-01-16 17:13 ` Dave Hansen
2014-01-14 18:00 ` [RFC][PATCH 3/9] mm: page->pfmemalloc only used by slab/skb Dave Hansen
2014-01-14 19:49 ` Christoph Lameter
2014-01-14 22:17 ` Dave Hansen
2014-01-15 2:45 ` David Rientjes
2014-01-16 0:16 ` Kirill A. Shutemov
2014-01-14 18:00 ` [RFC][PATCH 4/9] mm: slabs: reset page at free Dave Hansen
2014-01-15 2:48 ` David Rientjes
2014-01-16 18:35 ` Dave Hansen
2014-01-16 18:32 ` Christoph Lameter
2014-01-14 18:00 ` [RFC][PATCH 5/9] mm: rearrange struct page Dave Hansen
2014-01-16 0:20 ` Kirill A. Shutemov
2014-01-16 18:34 ` Christoph Lameter
2014-01-16 22:29 ` Dave Hansen
2014-01-17 14:58 ` Christoph Lameter [this message]
2014-01-14 18:01 ` [RFC][PATCH 6/9] mm: slub: rearrange 'struct page' fields Dave Hansen
2014-01-14 18:01 ` [RFC][PATCH 7/9] mm: slub: remove 'struct page' alignment restrictions Dave Hansen
2014-01-14 18:01 ` [RFC][PATCH 8/9] mm: slub: cleanups after code churn Dave Hansen
2014-01-14 18:01 ` [RFC][PATCH 9/9] mm: fix alignment checks on 32-bit Dave Hansen
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