From: Linus Torvalds <torvalds@linux-foundation.org>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>,
Matthew Wilcox <mawilcox@linuxonhyperv.com>,
Andrew Morton <akpm@linux-foundation.org>,
Konstantin Khlebnikov <koct9i@gmail.com>,
Ross Zwisler <ross.zwisler@linux.intel.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH 2/2] radix-tree: Fix optimisation problem
Date: Sat, 24 Sep 2016 15:54:17 -0700 [thread overview]
Message-ID: <CA+55aFzOvPJbVFvssmiOHuCKG_z-FbGO8-EzVnShDCVmAc1MQQ@mail.gmail.com> (raw)
In-Reply-To: <20160924210443.GA106728@black.fi.intel.com>
On Sat, Sep 24, 2016 at 2:04 PM, Kirill A. Shutemov
<kirill.shutemov@linux.intel.com> wrote:
>
> Well, my ext4-with-huge-pages patchset[1] uses multi-order entries.
> It also converts shmem-with-huge-pages and hugetlb to them.
Ok, so that code actually has a chance of being used. I guess we'll
not remove it. But I *would* like this subtle issue to have a comment
around that odd cast/and/mask thing.
Linus
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next prev parent reply other threads:[~2016-09-24 22:54 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-22 18:53 [PATCH 0/2] Fix radix_tree_lookup_slot() Matthew Wilcox
2016-09-22 18:53 ` [PATCH 1/2] radix tree test suite: Test radix_tree_replace_slot() for multiorder entries Matthew Wilcox
2016-09-22 18:53 ` [PATCH 2/2] radix-tree: Fix optimisation problem Matthew Wilcox
2016-09-22 18:09 ` Linus Torvalds
2016-09-23 20:16 ` Matthew Wilcox
2016-09-24 20:21 ` Linus Torvalds
2016-09-24 20:47 ` Linus Torvalds
2016-09-24 21:04 ` Kirill A. Shutemov
2016-09-24 22:54 ` Linus Torvalds [this message]
2016-09-26 4:26 ` Ross Zwisler
2016-09-24 8:36 ` Konstantin Khlebnikov
2016-09-24 23:35 ` Cedric Blancher
2016-09-25 0:18 ` Linus Torvalds
2016-09-25 17:59 ` Cedric Blancher
2016-09-25 18:04 ` Linus Torvalds
2016-09-25 19:04 ` Linus Torvalds
2016-09-25 19:40 ` Cedric Blancher
2016-09-25 19:56 ` Linus Torvalds
2016-09-26 21:28 ` Matthew Wilcox
2016-09-26 21:48 ` Cedric Blancher
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