Re: page->index limitation on 32bit system?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Erik Jensen <erikjensen@xxxxxxxxxx>
Subject: Re: page->index limitation on 32bit system?
From: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Date: Sat, 20 Feb 2021 03:40:13 +0000
Cc: "Theodore Ts'o" <tytso@xxxxxxx>, Qu Wenruo <quwenruo.btrfs@xxxxxxx>, Linux FS Devel <linux-fsdevel@xxxxxxxxxxxxxxx>, "linux-btrfs@xxxxxxxxxxxxxxx" <linux-btrfs@xxxxxxxxxxxxxxx>
In-reply-to: <a79562ac-1b87-8761-05a6-43b911e093a0@rkjnsn.net>

On Fri, Feb 19, 2021 at 06:20:43PM -0800, Erik Jensen wrote:
> I assume the 4KiB entry size in the page cache is fundamental, and can't be,
> e.g., increased to 16KiB to allow addressing up to 64TiB of storage?

The bootlin link i sent in the other email does exactly that.

References:
- page->index limitation on 32bit system?
  - From: Qu Wenruo
- Re: page->index limitation on 32bit system?
  - From: Matthew Wilcox
- Re: page->index limitation on 32bit system?
  - From: Qu Wenruo
- Re: page->index limitation on 32bit system?
  - From: Matthew Wilcox
- Re: page->index limitation on 32bit system?
  - From: Qu Wenruo
- Re: page->index limitation on 32bit system?
  - From: Theodore Ts'o
- Re: page->index limitation on 32bit system?
  - From: Erik Jensen

Prev by Date: Re: [RFC PATCH v5 3/4] nvme: add simple copy support
Next by Date: Re: [External] Re: [PATCH v16 4/9] mm: hugetlb: alloc the vmemmap pages associated with each HugeTLB page
Previous by thread: Re: page->index limitation on 32bit system?
Next by thread: Re: page->index limitation on 32bit system?
Index(es):
- Date
- Thread

[Index of Archives] [Linux Ext4 Filesystem] [Union Filesystem] [Filesystem Testing] [Ceph Users] [Ecryptfs] [AutoFS] [Kernel Newbies] [Share Photos] [Security] [Netfilter] [Bugtraq] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Linux Cachefs] [Reiser Filesystem] [Linux RAID] [Samba] [Device Mapper] [CEPH Development]