Linux Virtualization - Sep 2019 - [vhost:linux-next 13/15] htmldocs: mm/page_alloc.c:2207: warning: Function parameter or member 'order' not described in 'free_reported_page'

tree:   https://kernel.googlesource.com/pub/scm/linux/kernel/git/mst/vhost.git
linux-next
head:   c5db5a8d998da36ada7287aa53b4ed501a0a2b2b
commit: b1b0d638e6f93b91cf34585350bb00035d066989 [13/15] mm: Introduce Reported
pages
reproduce: make htmldocs

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp at intel.com>

All warnings (new ones prefixed by >>):

   Warning: The Sphinx 'sphinx_rtd_theme' HTML theme was not found. Make
sure you have the theme installed to produce pretty HTML output. Falling back to
the default theme.
   WARNING: dot(1) not found, for better output quality install graphviz from
http://www.graphviz.org
   WARNING: convert(1) not found, for SVG to PDF conversion install ImageMagick
(https://www.imagemagick.org)
   drivers/usb/typec/bus.c:1: warning: 'typec_altmode_register_driver'
not found
   drivers/usb/typec/bus.c:1: warning: 'typec_altmode_unregister_driver'
not found
   drivers/usb/typec/class.c:1: warning:
'typec_altmode_unregister_notifier' not found
   drivers/usb/typec/class.c:1: warning:
'typec_altmode_register_notifier' not found
   include/linux/w1.h:272: warning: Function parameter or member
'of_match_table' not described in 'w1_family'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member
'quotactl' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member
'quota_on' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member
'sb_free_mnt_opts' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member
'sb_eat_lsm_opts' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member
'sb_kern_mount' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member
'sb_show_options' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member
'sb_add_mnt_opt' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member
'd_instantiate' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member
'getprocattr' not described in 'security_list_options'
   include/linux/lsm_hooks.h:1811: warning: Function parameter or member
'setprocattr' not described in 'security_list_options'
   lib/genalloc.c:1: warning: 'gen_pool_add_virt' not found
   lib/genalloc.c:1: warning: 'gen_pool_alloc' not found
   lib/genalloc.c:1: warning: 'gen_pool_free' not found
   lib/genalloc.c:1: warning: 'gen_pool_alloc_algo' not found
   include/linux/regulator/machine.h:196: warning: Function parameter or member
'max_uV_step' not described in 'regulation_constraints'
   include/linux/regulator/driver.h:223: warning: Function parameter or member
'resume' not described in 'regulator_ops'
   include/linux/spi/spi.h:190: warning: Function parameter or member
'driver_override' not described in 'spi_device'
   fs/direct-io.c:258: warning: Excess function parameter 'offset'
description in 'dio_complete'
   fs/libfs.c:496: warning: Excess function parameter 'available'
description in 'simple_write_end'
   fs/posix_acl.c:647: warning: Function parameter or member 'inode' not
described in 'posix_acl_update_mode'
   fs/posix_acl.c:647: warning: Function parameter or member 'mode_p'
not described in 'posix_acl_update_mode'
   fs/posix_acl.c:647: warning: Function parameter or member 'acl' not
described in 'posix_acl_update_mode'
   include/linux/i2c.h:337: warning: Function parameter or member
'init_irq' not described in 'i2c_client'
   include/linux/input/sparse-keymap.h:43: warning: Function parameter or member
'sw' not described in 'key_entry'
   include/linux/skbuff.h:893: warning: Function parameter or member
'dev_scratch' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member
'list' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member
'ip_defrag_offset' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member
'skb_mstamp_ns' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member
'__cloned_offset' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member
'head_frag' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member
'__pkt_type_offset' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member
'encapsulation' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member
'encap_hdr_csum' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member
'csum_valid' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member
'__pkt_vlan_present_offset' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member
'vlan_present' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member
'csum_complete_sw' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member
'csum_level' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member
'inner_protocol_type' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member
'remcsum_offload' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member
'sender_cpu' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member
'reserved_tailroom' not described in 'sk_buff'
   include/linux/skbuff.h:893: warning: Function parameter or member
'inner_ipproto' not described in 'sk_buff'
   include/net/sock.h:233: warning: Function parameter or member
'skc_addrpair' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member
'skc_portpair' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member
'skc_ipv6only' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member
'skc_net_refcnt' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member
'skc_v6_daddr' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member
'skc_v6_rcv_saddr' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member
'skc_cookie' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member
'skc_listener' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member
'skc_tw_dr' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member
'skc_rcv_wnd' not described in 'sock_common'
   include/net/sock.h:233: warning: Function parameter or member
'skc_tw_rcv_nxt' not described in 'sock_common'
   include/net/sock.h:515: warning: Function parameter or member
'sk_rx_skb_cache' not described in 'sock'
   include/net/sock.h:515: warning: Function parameter or member
'sk_wq_raw' not described in 'sock'
   include/net/sock.h:515: warning: Function parameter or member
'tcp_rtx_queue' not described in 'sock'
   include/net/sock.h:515: warning: Function parameter or member
'sk_tx_skb_cache' not described in 'sock'
   include/net/sock.h:515: warning: Function parameter or member
'sk_route_forced_caps' not described in 'sock'
   include/net/sock.h:515: warning: Function parameter or member
'sk_txtime_report_errors' not described in 'sock'
   include/net/sock.h:515: warning: Function parameter or member
'sk_validate_xmit_skb' not described in 'sock'
   include/net/sock.h:515: warning: Function parameter or member
'sk_bpf_storage' not described in 'sock'
   include/net/sock.h:2439: warning: Function parameter or member
'tcp_rx_skb_cache_key' not described in
'DECLARE_STATIC_KEY_FALSE'
   include/net/sock.h:2439: warning: Excess function parameter 'sk'
description in 'DECLARE_STATIC_KEY_FALSE'
   include/net/sock.h:2439: warning: Excess function parameter 'skb'
description in 'DECLARE_STATIC_KEY_FALSE'
   include/linux/netdevice.h:2040: warning: Function parameter or member
'gso_partial_features' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member
'l3mdev_ops' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member
'xfrmdev_ops' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member
'tlsdev_ops' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member
'name_assign_type' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member
'ieee802154_ptr' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member
'mpls_ptr' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member
'xdp_prog' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member
'gro_flush_timeout' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member
'nf_hooks_ingress' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member
'____cacheline_aligned_in_smp' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member
'qdisc_hash' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member
'xps_cpus_map' not described in 'net_device'
   include/linux/netdevice.h:2040: warning: Function parameter or member
'xps_rxqs_map' not described in 'net_device'
   include/linux/phylink.h:56: warning: Function parameter or member
'__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising' not described in
'phylink_link_state'
   include/linux/phylink.h:56: warning: Function parameter or member
'__ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising' not described in
'phylink_link_state'
   drivers/net/phy/phylink.c:595: warning: Function parameter or member
'config' not described in 'phylink_create'
   drivers/net/phy/phylink.c:595: warning: Excess function parameter
'ndev' description in 'phylink_create'
   mm/util.c:1: warning: 'get_user_pages_fast' not found
   mm/slab.c:4215: warning: Function parameter or member 'objp' not
described in '__ksize'
>> mm/page_alloc.c:2207: warning: Function parameter or member
'order' not described in 'free_reported_page'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:142: warning: Function parameter or
member 'blockable' not described in 'amdgpu_mn_read_lock'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:347: warning: cannot understand
function prototype: 'struct amdgpu_vm_pt_cursor '
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:348: warning: cannot understand
function prototype: 'struct amdgpu_vm_pt_cursor '
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:494: warning: Function parameter or
member 'start' not described in 'amdgpu_vm_pt_first_dfs'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or
member 'adev' not described in 'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or
member 'vm' not described in 'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or
member 'start' not described in 'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or
member 'cursor' not described in
'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:546: warning: Function parameter or
member 'entry' not described in 'for_each_amdgpu_vm_pt_dfs_safe'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:823: warning: Function parameter or
member 'level' not described in 'amdgpu_vm_bo_param'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or
member 'params' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or
member 'bo' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or
member 'level' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or
member 'pe' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or
member 'addr' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or
member 'count' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or
member 'incr' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1285: warning: Function parameter or
member 'flags' not described in 'amdgpu_vm_update_flags'
   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2822: warning: Function parameter or
member 'pasid' not described in 'amdgpu_vm_make_compute'
   drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:378: warning: Excess function
parameter 'entry' description in 'amdgpu_irq_dispatch'
   drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:379: warning: Function parameter or
member 'ih' not described in 'amdgpu_irq_dispatch'
   drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:379: warning: Excess function
parameter 'entry' description in 'amdgpu_irq_dispatch'
   drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c:1: warning: no structured comments
found
   drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:1: warning: no structured comments
found
   drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c:1: warning: 'pp_dpm_sclk
pp_dpm_mclk pp_dpm_pcie' not found
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:131: warning: Incorrect use
of kernel-doc format: Documentation Makefile include scripts source @atomic_obj
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:237: warning: Incorrect use
of kernel-doc format: Documentation Makefile include scripts source gpu_info FW
provided soc bounding box struct or 0 if not
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function
parameter or member 'atomic_obj' not described in
'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function
parameter or member 'backlight_link' not described in
'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function
parameter or member 'backlight_caps' not described in
'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function
parameter or member 'freesync_module' not described in
'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function
parameter or member 'fw_dmcu' not described in
'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function
parameter or member 'dmcu_fw_version' not described in
'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:242: warning: Function
parameter or member 'soc_bounding_box' not described in
'amdgpu_display_manager'
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:1: warning:
'register_hpd_handlers' not found
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:1: warning:
'dm_crtc_high_irq' not found
   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:1: warning:
'dm_pflip_high_irq' not found
   include/drm/drm_drv.h:722: warning: Function parameter or member
'gem_prime_pin' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member
'gem_prime_unpin' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member
'gem_prime_res_obj' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member
'gem_prime_get_sg_table' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member
'gem_prime_import_sg_table' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member
'gem_prime_vmap' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member
'gem_prime_vunmap' not described in 'drm_driver'
   include/drm/drm_drv.h:722: warning: Function parameter or member
'gem_prime_mmap' not described in 'drm_driver'
   include/drm/drm_modeset_helper_vtables.h:1053: warning: Function parameter or
member 'prepare_writeback_job' not described in
'drm_connector_helper_funcs'
   include/drm/drm_modeset_helper_vtables.h:1053: warning: Function parameter or
member 'cleanup_writeback_job' not described in
'drm_connector_helper_funcs'
   include/drm/drm_atomic_state_helper.h:1: warning: no structured comments
found
   drivers/gpu/drm/mcde/mcde_drv.c:1: warning: 'ST-Ericsson MCDE DRM
Driver' not found
   include/net/cfg80211.h:1092: warning: Function parameter or member
'txpwr' not described in 'station_parameters'
   include/net/mac80211.h:4043: warning: Function parameter or member
'sta_set_txpwr' not described in 'ieee80211_ops'
   include/net/mac80211.h:2006: warning: Function parameter or member
'txpwr' not described in 'ieee80211_sta'
   Documentation/admin-guide/xfs.rst:257: WARNING: Block quote ends without a
blank line; unexpected unindent.
   Documentation/trace/kprobetrace.rst:99: WARNING: Explicit markup ends without
a blank line; unexpected unindent.
   Documentation/translations/it_IT/process/maintainer-pgp-guide.rst:458:
WARNING: Unknown target name: "nitrokey pro".
   include/uapi/linux/firewire-cdev.h:312: WARNING: Inline literal start-string
without end-string.
   drivers/firewire/core-transaction.c:606: WARNING: Inline strong start-string
without end-string.
   Documentation/process/embargoed-hardware-issues.rst:215: WARNING: Malformed
table.
   Bottom/header table border does not match top border.

vim +2207 mm/page_alloc.c

  2195	
  2196	#ifdef CONFIG_PAGE_REPORTING
  2197	/**
  2198	 * free_reported_page - Return a now-reported page back where we got it
  2199	 * @page: Page that was reported
  2200	 *
  2201	 * This function will pull the migratetype and order information out
  2202	 * of the page and attempt to return it where it found it. If the page
  2203	 * is added to the free list without changes we will mark it as being
  2204	 * reported.
  2205	 */
  2206	void free_reported_page(struct page *page, unsigned int
order)
> 2207	{
  2208		struct zone *zone = page_zone(page);
  2209		unsigned long pfn;
  2210		unsigned int mt;
  2211	
  2212		/* zone lock should be held when this function is called */
  2213		lockdep_assert_held(&zone->lock);
  2214	
  2215		pfn = page_to_pfn(page);
  2216		mt = get_pfnblock_migratetype(page, pfn);
  2217		__free_one_page(page, pfn, zone, order, mt, true);
  2218	
  2219		/*
  2220		 * If page was not comingled with another page we can consider
  2221		 * the result to be "reported" since part of the page
hasn't been
  2222		 * modified, otherwise we would need to report on the new larger
  2223		 * page.
  2224		 */
  2225		if (PageBuddy(page) && page_order(page) == order)
  2226			add_page_to_reported_list(page, zone, order, mt);
  2227	}
  2228	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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