From: "Michael S. Tsirkin" <mst@redhat.com>
To: kbuild test robot <lkp@intel.com>
Cc: Wei Wang <wei.w.wang@intel.com>,
kbuild-all@01.org, virtio-dev@lists.oasis-open.org,
linux-kernel@vger.kernel.org, qemu-devel@nongnu.org,
virtualization@lists.linux-foundation.org, kvm@vger.kernel.org,
linux-mm@kvack.org, david@redhat.com, dave.hansen@intel.com,
cornelia.huck@de.ibm.com, akpm@linux-foundation.org,
mgorman@techsingularity.net, aarcange@redhat.com,
amit.shah@redhat.com, pbonzini@redhat.com,
liliang.opensource@gmail.com
Subject: Re: [Qemu-devel] [PATCH v10 4/6] mm: function to offer a page block on the free list
Date: Sat, 6 May 2017 01:12:35 +0300 [thread overview]
Message-ID: <20170506011012-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <201705050851.KJdDIPUA%fengguang.wu@intel.com>
On Fri, May 05, 2017 at 08:21:34AM +0800, kbuild test robot wrote:
> Hi Wei,
>
> [auto build test WARNING on linus/master]
> [also build test WARNING on v4.11 next-20170504]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
>
> url: https://github.com/0day-ci/linux/commits/Wei-Wang/Extend-virtio-balloon-for-fast-de-inflating-fast-live-migration/20170505-052958
> reproduce: make htmldocs
>
> All warnings (new ones prefixed by >>):
>
> WARNING: convert(1) not found, for SVG to PDF conversion install ImageMagick (https://www.imagemagick.org)
> arch/x86/include/asm/uaccess_32.h:1: warning: no structured comments found
> >> mm/page_alloc.c:4663: warning: No description found for parameter 'zone'
> >> mm/page_alloc.c:4663: warning: No description found for parameter 'order'
> >> mm/page_alloc.c:4663: warning: No description found for parameter 'migratetype'
> >> mm/page_alloc.c:4663: warning: No description found for parameter 'page'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
> include/net/cfg80211.h:1738: warning: No description found for parameter 'report_results'
> include/net/cfg80211.h:1738: warning: Excess struct/union/enum/typedef member 'results_wk' description in 'cfg80211_sched_scan_request'
>
> vim +/zone +4663 mm/page_alloc.c
the issue is actually aboe this line: it is:
/**
which is reserved for kernel-doc.
Either format properly for kernel-doc, or use simple /*
to start comments.
> 4647 * Heuristically get a page block in the system that is unused.
> 4648 * It is possible that pages from the page block are used immediately after
> 4649 * report_unused_page_block() returns. It is the caller's responsibility
> 4650 * to either detect or prevent the use of such pages.
> 4651 *
> 4652 * The free list to check: zone->free_area[order].free_list[migratetype].
> 4653 *
> 4654 * If the caller supplied page block (i.e. **page) is on the free list, offer
> 4655 * the next page block on the list to the caller. Otherwise, offer the first
> 4656 * page block on the list.
> 4657 *
> 4658 * Return 0 when a page block is found on the caller specified free list.
> 4659 */
> 4660 int report_unused_page_block(struct zone *zone, unsigned int order,
> 4661 unsigned int migratetype, struct page **page)
> 4662 {
> > 4663 struct zone *this_zone;
> 4664 struct list_head *this_list;
> 4665 int ret = 0;
> 4666 unsigned long flags;
> 4667
> 4668 /* Sanity check */
> 4669 if (zone == NULL || page == NULL || order >= MAX_ORDER ||
> 4670 migratetype >= MIGRATE_TYPES)
> 4671 return -EINVAL;
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
next prev parent reply other threads:[~2017-05-05 22:12 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-04 8:50 [Qemu-devel] [PATCH v10 0/6] Extend virtio-balloon for fast (de)inflating & fast live migration Wei Wang
2017-05-04 8:50 ` [Qemu-devel] [PATCH v10 1/6] virtio-balloon: deflate via a page list Wei Wang
2017-05-04 8:50 ` [Qemu-devel] [PATCH v10 2/6] virtio-balloon: coding format cleanup Wei Wang
2017-05-04 8:50 ` [Qemu-devel] [PATCH v10 3/6] virtio-balloon: VIRTIO_BALLOON_F_PAGE_CHUNKS Wei Wang
2017-05-05 22:29 ` Michael S. Tsirkin
2017-05-07 4:22 ` Wang, Wei W
2017-05-04 8:50 ` [Qemu-devel] [PATCH v10 4/6] mm: function to offer a page block on the free list Wei Wang
2017-05-05 0:21 ` kbuild test robot
2017-05-05 22:12 ` Michael S. Tsirkin [this message]
2017-05-04 8:50 ` [Qemu-devel] [PATCH v10 5/6] mm: export symbol of next_zone and first_online_pgdat Wei Wang
2017-05-04 8:50 ` [Qemu-devel] [PATCH v10 6/6] virtio-balloon: VIRTIO_BALLOON_F_MISC_VQ Wei Wang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170506011012-mutt-send-email-mst@kernel.org \
--to=mst@redhat.com \
--cc=aarcange@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=amit.shah@redhat.com \
--cc=cornelia.huck@de.ibm.com \
--cc=dave.hansen@intel.com \
--cc=david@redhat.com \
--cc=kbuild-all@01.org \
--cc=kvm@vger.kernel.org \
--cc=liliang.opensource@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=lkp@intel.com \
--cc=mgorman@techsingularity.net \
--cc=pbonzini@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=virtio-dev@lists.oasis-open.org \
--cc=virtualization@lists.linux-foundation.org \
--cc=wei.w.wang@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).