Re: [PATCH v3] fs/aio: Replace kmap{,_atomic}() with kmap_local_page()

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

To: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Subject: Re: [PATCH v3] fs/aio: Replace kmap{,_atomic}() with kmap_local_page()
From: Kent Overstreet <kent.overstreet@xxxxxxxxx>
Date: Mon, 27 Mar 2023 14:37:01 -0400
Cc: "Fabio M. De Francesco" <fmdefrancesco@xxxxxxxxx>, Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, Benjamin LaHaise <bcrl@xxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-aio@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, "Venkataramanan, Anirudh" <anirudh.venkataramanan@xxxxxxxxx>, Ira Weiny <ira.weiny@xxxxxxxxx>, Jeff Moyer <jmoyer@xxxxxxxxxx>
In-reply-to: <ZCGYps2z5IlaEaxU@casper.infradead.org>

On Mon, Mar 27, 2023 at 02:22:46PM +0100, Matthew Wilcox wrote:
> Or should we just stop allocating aio rings from HIGHMEM and remove
> the calls to kmap()?  How much memory are we talking about here?

I don't think that should stop us from taking these patches, but yes.

References:
- [PATCH v3] fs/aio: Replace kmap{,_atomic}() with kmap_local_page()
  - From: Fabio M. De Francesco
- Re: [PATCH v3] fs/aio: Replace kmap{,_atomic}() with kmap_local_page()
  - From: Fabio M. De Francesco
- Re: [PATCH v3] fs/aio: Replace kmap{,_atomic}() with kmap_local_page()
  - From: Matthew Wilcox

Prev by Date: [PATCH 3/3] fanotify: use pidfd_prepare()
Next by Date: Re: [PATCHSET 0/2] Turn single segment imports into ITER_UBUF
Previous by thread: Re: [PATCH v3] fs/aio: Replace kmap{,_atomic}() with kmap_local_page()
Next by thread: Re: [PATCH v3] fs/aio: Replace kmap{,_atomic}() with kmap_local_page()
Index(es):
- Date
- Thread

[Index of Archives] [Linux Ext4 Filesystem] [Union Filesystem] [Filesystem Testing] [Ceph Users] [Ecryptfs] [NTFS 3] [AutoFS] [Kernel Newbies] [Share Photos] [Security] [Netfilter] [Bugtraq] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Linux Cachefs] [Reiser Filesystem] [Linux RAID] [NTFS 3] [Samba] [Device Mapper] [CEPH Development]