From: "Wang, Wei W" <wei.w.wang@intel.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "virtio-dev@lists.oasis-open.org"
<virtio-dev@lists.oasis-open.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
virtualization <virtualization@lists.linux-foundation.org>,
KVM list <kvm@vger.kernel.org>, linux-mm <linux-mm@kvack.org>,
"Michael S. Tsirkin" <mst@redhat.com>,
Michal Hocko <mhocko@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Paolo Bonzini <pbonzini@redhat.com>,
"liliang.opensource@gmail.com" <liliang.opensource@gmail.com>,
"yang.zhang.wz@gmail.com" <yang.zhang.wz@gmail.com>,
"quan.xu0@gmail.com" <quan.xu0@gmail.com>,
"nilal@redhat.com" <nilal@redhat.com>,
Rik van Riel <riel@redhat.com>,
"peterx@redhat.com" <peterx@redhat.com>
Subject: RE: [PATCH v33 1/4] mm: add a function to get free page blocks
Date: Sat, 16 Jun 2018 01:19:36 +0000 [thread overview]
Message-ID: <286AC319A985734F985F78AFA26841F7396A5CDB@shsmsx102.ccr.corp.intel.com> (raw)
In-Reply-To: <CA+55aFzhuGKinEq5udPsk_uYHShkQxJYqcPO=tLCkT-oxpsgPg@mail.gmail.com>
On Saturday, June 16, 2018 7:09 AM, Linus Torvalds wrote:
> On Fri, Jun 15, 2018 at 2:08 PM Wei Wang <wei.w.wang@intel.com> wrote:
> >
> > This patch adds a function to get free pages blocks from a free page
> > list. The obtained free page blocks are hints about free pages,
> > because there is no guarantee that they are still on the free page
> > list after the function returns.
>
> Ack. This is the kind of simple interface where I don't need to worry about
> the MM code calling out to random drivers or subsystems.
>
> I think that "order" should be checked for validity, but from a MM standpoint
> I think this is fine.
>
Thanks, will add a validity check for "order".
Best,
Wei
next prev parent reply other threads:[~2018-06-16 1:19 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-15 4:43 [PATCH v33 0/4] Virtio-balloon: support free page reporting Wei Wang
2018-06-15 4:43 ` [PATCH v33 1/4] mm: add a function to get free page blocks Wei Wang
2018-06-15 23:08 ` Linus Torvalds
2018-06-16 1:19 ` Wang, Wei W [this message]
2018-06-26 1:55 ` Michael S. Tsirkin
2018-06-27 16:05 ` Linus Torvalds
2018-06-27 19:07 ` Michael S. Tsirkin
2018-06-28 8:39 ` Wei Wang
2018-06-16 4:50 ` Matthew Wilcox
2018-06-17 0:07 ` Wang, Wei W
2018-06-18 2:16 ` Michael S. Tsirkin
2018-06-15 4:43 ` [PATCH v33 2/4] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT Wei Wang
2018-06-15 11:42 ` Michael S. Tsirkin
2018-06-15 14:11 ` Wang, Wei W
2018-06-15 14:29 ` Michael S. Tsirkin
2018-06-16 1:09 ` Wang, Wei W
2018-06-18 2:28 ` Michael S. Tsirkin
2018-06-19 1:06 ` [virtio-dev] " Wang, Wei W
2018-06-19 3:05 ` Michael S. Tsirkin
2018-06-19 12:13 ` Wei Wang
2018-06-19 14:43 ` Michael S. Tsirkin
2018-06-20 9:11 ` Wang, Wei W
2018-06-20 14:14 ` Michael S. Tsirkin
2018-06-15 4:43 ` [PATCH v33 3/4] mm/page_poison: expose page_poisoning_enabled to kernel modules Wei Wang
2018-06-15 4:43 ` [PATCH v33 4/4] virtio-balloon: VIRTIO_BALLOON_F_PAGE_POISON Wei Wang
2018-06-15 11:29 ` [PATCH v33 0/4] Virtio-balloon: support free page reporting Michael S. Tsirkin
2018-06-15 14:28 ` Wang, Wei W
2018-06-15 14:38 ` Michael S. Tsirkin
2018-06-15 19:21 ` Luiz Capitulino
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