From: Baoquan He <bhe@redhat.com>
To: kbuild-all@lists.01.org
Subject: Re: [RFC PATCH] mm: Add a new page type to mark unavailable pages
Date: Wed, 03 Jun 2020 09:28:39 +0800 [thread overview]
Message-ID: <20200603012839.GA27566@MiWiFi-R3L-srv> (raw)
In-Reply-To: <202006020300.l49UutdW%lkp@intel.com>
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On 06/02/20 at 03:07am, kbuild test robot wrote:
> Hi Baoquan,
>
> [FYI, it's a private test report for your RFC patch.]
> [auto build test ERROR on tip/x86/core]
> [also build test ERROR on linus/master v5.7 next-20200529]
> [cannot apply to mmotm/master linux/master]
> [if your patch is applied to the wrong git tree, please drop us a note to help
> improve the system. BTW, we also suggest to use '--base' option to specify the
> base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
>
> url: https://github.com/0day-ci/linux/commits/Baoquan-He/mm-Add-a-new-page-type-to-mark-unavailable-pages/20200601-213615
> base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 9cb1fd0efd195590b828b9b865421ad345a4a145
> config: sparc-allyesconfig (attached as .config)
> compiler: sparc64-linux-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kbuild test robot <lkp@intel.com>
>
> All error/warnings (new ones prefixed by >>, old ones prefixed by <<):
>
> In file included from include/linux/gfp.h:6,
> from include/linux/umh.h:4,
> from include/linux/kmod.h:9,
> from include/linux/module.h:16,
> from drivers/media/usb/msi2500/msi2500.c:14:
> include/linux/mmzone.h: In function 'early_pfn_valid':
> >> include/linux/mmzone.h:1322:45: error: expected ';' before '}' token
> 1322 | return valid_section(__pfn_to_section(pfn))
> | ^
> | ;
> 1323 | }
> | ~
> include/linux/mmzone.h: In function 'pfn_valid':
> >> include/linux/mmzone.h:1333:24: error: 'ms' undeclared (first use in this function); did you mean 'mb'?
> 1333 | return (early_section(ms) && PageUnavail(pfn_to_page(pfn))) ||
> | ^~
> | mb
> include/linux/mmzone.h:1333:24: note: each undeclared identifier is reported only once for each function it appears in
> In file included from arch/sparc/include/asm/page_64.h:130,
> from arch/sparc/include/asm/page.h:8,
> from arch/sparc/include/asm/thread_info_64.h:27,
> from arch/sparc/include/asm/thread_info.h:5,
> from include/linux/thread_info.h:38,
> from include/asm-generic/preempt.h:5,
> from ./arch/sparc/include/generated/asm/preempt.h:1,
> from include/linux/preempt.h:78,
> from include/linux/spinlock.h:51,
> from include/linux/seqlock.h:36,
> from include/linux/time.h:6,
> from include/linux/stat.h:19,
> from include/linux/module.h:13,
> from drivers/media/usb/msi2500/msi2500.c:14:
> >> include/asm-generic/memory_model.h:54:29: error: 'vmemmap' undeclared (first use in this function); did you mean 'mem_map'?
> 54 | #define __pfn_to_page(pfn) (vmemmap + (pfn))
> | ^~~~~~~
> >> include/asm-generic/memory_model.h:82:21: note: in expansion of macro '__pfn_to_page'
> 82 | #define pfn_to_page __pfn_to_page
> | ^~~~~~~~~~~~~
> >> include/linux/mmzone.h:1333:43: note: in expansion of macro 'pfn_to_page'
> 1333 | return (early_section(ms) && PageUnavail(pfn_to_page(pfn))) ||
> | ^~~~~~~~~~~
> --
> In file included from include/linux/gfp.h:6,
> from include/linux/umh.h:4,
> from include/linux/kmod.h:9,
> from include/linux/module.h:16,
> from drivers/phy/phy-xgene.c:41:
> include/linux/mmzone.h: In function 'early_pfn_valid':
> >> include/linux/mmzone.h:1322:45: error: expected ';' before '}' token
> 1322 | return valid_section(__pfn_to_section(pfn))
> | ^
> | ;
> 1323 | }
> | ~
> include/linux/mmzone.h: In function 'pfn_valid':
> >> include/linux/mmzone.h:1333:24: error: 'ms' undeclared (first use in this function); did you mean 'mb'?
> 1333 | return (early_section(ms) && PageUnavail(pfn_to_page(pfn))) ||
> | ^~
> | mb
> include/linux/mmzone.h:1333:24: note: each undeclared identifier is reported only once for each function it appears in
> In file included from arch/sparc/include/asm/page_64.h:130,
> from arch/sparc/include/asm/page.h:8,
> from arch/sparc/include/asm/thread_info_64.h:27,
> from arch/sparc/include/asm/thread_info.h:5,
> from include/linux/thread_info.h:38,
> from include/asm-generic/preempt.h:5,
> from ./arch/sparc/include/generated/asm/preempt.h:1,
> from include/linux/preempt.h:78,
> from include/linux/spinlock.h:51,
> from include/linux/seqlock.h:36,
> from include/linux/time.h:6,
> from include/linux/stat.h:19,
> from include/linux/module.h:13,
> from drivers/phy/phy-xgene.c:41:
> >> include/asm-generic/memory_model.h:54:29: error: 'vmemmap' undeclared (first use in this function); did you mean 'mem_map'?
> 54 | #define __pfn_to_page(pfn) (vmemmap + (pfn))
> | ^~~~~~~
> >> include/asm-generic/memory_model.h:82:21: note: in expansion of macro '__pfn_to_page'
> 82 | #define pfn_to_page __pfn_to_page
> | ^~~~~~~~~~~~~
> >> include/linux/mmzone.h:1333:43: note: in expansion of macro 'pfn_to_page'
> 1333 | return (early_section(ms) && PageUnavail(pfn_to_page(pfn))) ||
> | ^~~~~~~~~~~
> drivers/phy/phy-xgene.c: In function 'xgene_phy_xlate':
> drivers/phy/phy-xgene.c:1618:20: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
> 1618 | if (args->args[0] < MODE_SATA || args->args[0] >= MODE_MAX)
> | ^
> --
> In file included from include/linux/gfp.h:6,
> from include/linux/umh.h:4,
> from include/linux/kmod.h:9,
> from include/linux/module.h:16,
> from drivers/pinctrl/pinctrl-amd.c:16:
> include/linux/mmzone.h: In function 'early_pfn_valid':
> >> include/linux/mmzone.h:1322:45: error: expected ';' before '}' token
> 1322 | return valid_section(__pfn_to_section(pfn))
> | ^
> | ;
> 1323 | }
> | ~
> include/linux/mmzone.h: In function 'pfn_valid':
> >> include/linux/mmzone.h:1333:24: error: 'ms' undeclared (first use in this function); did you mean 'mb'?
> 1333 | return (early_section(ms) && PageUnavail(pfn_to_page(pfn))) ||
> | ^~
> | mb
> include/linux/mmzone.h:1333:24: note: each undeclared identifier is reported only once for each function it appears in
> In file included from arch/sparc/include/asm/page_64.h:130,
> from arch/sparc/include/asm/page.h:8,
> from arch/sparc/include/asm/thread_info_64.h:27,
> from arch/sparc/include/asm/thread_info.h:5,
> from include/linux/thread_info.h:38,
> from include/asm-generic/preempt.h:5,
> from ./arch/sparc/include/generated/asm/preempt.h:1,
> from include/linux/preempt.h:78,
> from include/linux/spinlock.h:51,
> from include/linux/seqlock.h:36,
> from include/linux/time.h:6,
> from include/linux/stat.h:19,
> from include/linux/module.h:13,
> from drivers/pinctrl/pinctrl-amd.c:16:
> >> include/asm-generic/memory_model.h:54:29: error: 'vmemmap' undeclared (first use in this function); did you mean 'mem_map'?
> 54 | #define __pfn_to_page(pfn) (vmemmap + (pfn))
> | ^~~~~~~
> >> include/asm-generic/memory_model.h:82:21: note: in expansion of macro '__pfn_to_page'
> 82 | #define pfn_to_page __pfn_to_page
> | ^~~~~~~~~~~~~
> >> include/linux/mmzone.h:1333:43: note: in expansion of macro 'pfn_to_page'
> 1333 | return (early_section(ms) && PageUnavail(pfn_to_page(pfn))) ||
> | ^~~~~~~~~~~
> At top level:
> drivers/pinctrl/pinctrl-amd.c:968:36: warning: 'amd_gpio_acpi_match' defined but not used [-Wunused-const-variable=]
> 968 | static const struct acpi_device_id amd_gpio_acpi_match[] = {
> | ^~~~~~~~~~~~~~~~~~~
> --
> In file included from include/linux/gfp.h:6,
> from include/linux/xarray.h:14,
> from include/linux/radix-tree.h:18,
> from include/linux/idr.h:15,
> from include/linux/kernfs.h:13,
> from include/linux/sysfs.h:16,
> from include/linux/kobject.h:20,
> from include/linux/of.h:17,
> from drivers/pinctrl/pinctrl-bm1880.c:10:
> include/linux/mmzone.h: In function 'early_pfn_valid':
> >> include/linux/mmzone.h:1322:45: error: expected ';' before '}' token
> 1322 | return valid_section(__pfn_to_section(pfn))
> | ^
> | ;
> 1323 | }
> | ~
> include/linux/mmzone.h: In function 'pfn_valid':
> >> include/linux/mmzone.h:1333:24: error: 'ms' undeclared (first use in this function); did you mean 'mb'?
> 1333 | return (early_section(ms) && PageUnavail(pfn_to_page(pfn))) ||
> | ^~
> | mb
> include/linux/mmzone.h:1333:24: note: each undeclared identifier is reported only once for each function it appears in
> In file included from arch/sparc/include/asm/page_64.h:130,
> from arch/sparc/include/asm/page.h:8,
> from arch/sparc/include/asm/io_64.h:9,
> from arch/sparc/include/asm/io.h:5,
> from include/linux/io.h:13,
> from drivers/pinctrl/pinctrl-bm1880.c:9:
> >> include/asm-generic/memory_model.h:54:29: error: 'vmemmap' undeclared (first use in this function); did you mean 'mem_map'?
> 54 | #define __pfn_to_page(pfn) (vmemmap + (pfn))
> | ^~~~~~~
> >> include/asm-generic/memory_model.h:82:21: note: in expansion of macro '__pfn_to_page'
> 82 | #define pfn_to_page __pfn_to_page
> | ^~~~~~~~~~~~~
> >> include/linux/mmzone.h:1333:43: note: in expansion of macro 'pfn_to_page'
> 1333 | return (early_section(ms) && PageUnavail(pfn_to_page(pfn))) ||
> | ^~~~~~~~~~~
> At top level:
> drivers/pinctrl/pinctrl-bm1880.c:263:27: warning: 'pwm37_pins' defined but not used [-Wunused-const-variable=]
> 263 | static const unsigned int pwm37_pins[] = { 110 };
> | ^~~~~~~~~~
> --
> In file included from include/linux/gfp.h:6,
> from include/linux/xarray.h:14,
> from include/linux/radix-tree.h:18,
> from include/linux/idr.h:15,
> from include/linux/kernfs.h:13,
> from include/linux/sysfs.h:16,
> from include/linux/kobject.h:20,
> from include/linux/device.h:17,
> from include/linux/gpio/driver.h:5,
> from drivers/pinctrl/pinctrl-rza1.c:17:
> include/linux/mmzone.h: In function 'early_pfn_valid':
> >> include/linux/mmzone.h:1322:45: error: expected ';' before '}' token
> 1322 | return valid_section(__pfn_to_section(pfn))
> | ^
> | ;
> 1323 | }
> | ~
> include/linux/mmzone.h: In function 'pfn_valid':
> >> include/linux/mmzone.h:1333:24: error: 'ms' undeclared (first use in this function); did you mean 'mb'?
> 1333 | return (early_section(ms) && PageUnavail(pfn_to_page(pfn))) ||
> | ^~
> | mb
> include/linux/mmzone.h:1333:24: note: each undeclared identifier is reported only once for each function it appears in
> In file included from arch/sparc/include/asm/page_64.h:130,
> from arch/sparc/include/asm/page.h:8,
> from arch/sparc/include/asm/thread_info_64.h:27,
> from arch/sparc/include/asm/thread_info.h:5,
> from include/linux/thread_info.h:38,
> from arch/sparc/include/asm/current.h:15,
> from include/linux/sched.h:12,
> from include/linux/ratelimit.h:6,
> from include/linux/dev_printk.h:16,
> from include/linux/device.h:15,
> from include/linux/gpio/driver.h:5,
> from drivers/pinctrl/pinctrl-rza1.c:17:
> >> include/asm-generic/memory_model.h:54:29: error: 'vmemmap' undeclared (first use in this function); did you mean 'mem_map'?
> 54 | #define __pfn_to_page(pfn) (vmemmap + (pfn))
> | ^~~~~~~
> >> include/asm-generic/memory_model.h:82:21: note: in expansion of macro '__pfn_to_page'
> 82 | #define pfn_to_page __pfn_to_page
> | ^~~~~~~~~~~~~
> >> include/linux/mmzone.h:1333:43: note: in expansion of macro 'pfn_to_page'
> 1333 | return (early_section(ms) && PageUnavail(pfn_to_page(pfn))) ||
> | ^~~~~~~~~~~
> At top level:
> drivers/pinctrl/pinctrl-rza1.c:401:35: warning: 'rza1l_swio_pins' defined but not used [-Wunused-const-variable=]
> 401 | static const struct rza1_swio_pin rza1l_swio_pins[] = {
> | ^~~~~~~~~~~~~~~
> --
> In file included from include/linux/gfp.h:6,
> from include/linux/xarray.h:14,
> from include/linux/radix-tree.h:18,
> from include/linux/idr.h:15,
> from include/linux/kernfs.h:13,
> from include/linux/sysfs.h:16,
> from include/linux/kobject.h:20,
> from include/linux/device.h:17,
> from drivers/platform/mellanox/mlxreg-hotplug.c:35:
> include/linux/mmzone.h: In function 'early_pfn_valid':
> >> include/linux/mmzone.h:1322:45: error: expected ';' before '}' token
> 1322 | return valid_section(__pfn_to_section(pfn))
> | ^
> | ;
> 1323 | }
> | ~
> include/linux/mmzone.h: In function 'pfn_valid':
> >> include/linux/mmzone.h:1333:24: error: 'ms' undeclared (first use in this function); did you mean 'mb'?
> 1333 | return (early_section(ms) && PageUnavail(pfn_to_page(pfn))) ||
> | ^~
> | mb
> include/linux/mmzone.h:1333:24: note: each undeclared identifier is reported only once for each function it appears in
> In file included from arch/sparc/include/asm/page_64.h:130,
> from arch/sparc/include/asm/page.h:8,
> from arch/sparc/include/asm/thread_info_64.h:27,
> from arch/sparc/include/asm/thread_info.h:5,
> from include/linux/thread_info.h:38,
> from arch/sparc/include/asm/current.h:15,
> from include/linux/sched.h:12,
> from include/linux/ratelimit.h:6,
> from include/linux/dev_printk.h:16,
> from include/linux/device.h:15,
> from drivers/platform/mellanox/mlxreg-hotplug.c:35:
> >> include/asm-generic/memory_model.h:54:29: error: 'vmemmap' undeclared (first use in this function); did you mean 'mem_map'?
> 54 | #define __pfn_to_page(pfn) (vmemmap + (pfn))
> | ^~~~~~~
> >> include/asm-generic/memory_model.h:82:21: note: in expansion of macro '__pfn_to_page'
> 82 | #define pfn_to_page __pfn_to_page
> | ^~~~~~~~~~~~~
> >> include/linux/mmzone.h:1333:43: note: in expansion of macro 'pfn_to_page'
> 1333 | return (early_section(ms) && PageUnavail(pfn_to_page(pfn))) ||
> | ^~~~~~~~~~~
> In file included from include/linux/bits.h:23,
> from include/linux/bitops.h:5,
> from drivers/platform/mellanox/mlxreg-hotplug.c:34:
> drivers/platform/mellanox/mlxreg-hotplug.c: In function 'mlxreg_hotplug_set_irq':
> include/linux/bits.h:26:28: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
> 26 | __builtin_constant_p((l) > (h)), (l) > (h), 0)))
> | ^
> include/linux/build_bug.h:16:62: note: in definition of macro 'BUILD_BUG_ON_ZERO'
> 16 | #define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
> | ^
> include/linux/bits.h:39:3: note: in expansion of macro 'GENMASK_INPUT_CHECK'
> 39 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
> | ^~~~~~~~~~~~~~~~~~~
> drivers/platform/mellanox/mlxreg-hotplug.c:518:17: note: in expansion of macro 'GENMASK'
> 518 | item->mask = GENMASK((regval & item->mask) - 1, 0);
> | ^~~~~~~
> include/linux/bits.h:26:40: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
> 26 | __builtin_constant_p((l) > (h)), (l) > (h), 0)))
> | ^
> include/linux/build_bug.h:16:62: note: in definition of macro 'BUILD_BUG_ON_ZERO'
> 16 | #define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
> | ^
> include/linux/bits.h:39:3: note: in expansion of macro 'GENMASK_INPUT_CHECK'
> 39 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
> | ^~~~~~~~~~~~~~~~~~~
> drivers/platform/mellanox/mlxreg-hotplug.c:518:17: note: in expansion of macro 'GENMASK'
> 518 | item->mask = GENMASK((regval & item->mask) - 1, 0);
> | ^~~~~~~
> --
> In file included from include/linux/gfp.h:6,
> from include/linux/xarray.h:14,
> from include/linux/radix-tree.h:18,
> from include/linux/idr.h:15,
> from include/linux/kernfs.h:13,
> from include/linux/sysfs.h:16,
> from include/linux/kobject.h:20,
> from include/linux/device.h:17,
> from include/linux/input.h:19,
> from drivers/platform/olpc/olpc-xo175-ec.c:16:
> include/linux/mmzone.h: In function 'early_pfn_valid':
> >> include/linux/mmzone.h:1322:45: error: expected ';' before '}' token
> 1322 | return valid_section(__pfn_to_section(pfn))
> | ^
> | ;
> 1323 | }
> | ~
> include/linux/mmzone.h: In function 'pfn_valid':
> >> include/linux/mmzone.h:1333:24: error: 'ms' undeclared (first use in this function); did you mean 'mb'?
> 1333 | return (early_section(ms) && PageUnavail(pfn_to_page(pfn))) ||
> | ^~
> | mb
> include/linux/mmzone.h:1333:24: note: each undeclared identifier is reported only once for each function it appears in
> In file included from arch/sparc/include/asm/page_64.h:130,
> from arch/sparc/include/asm/page.h:8,
> from arch/sparc/include/asm/thread_info_64.h:27,
> from arch/sparc/include/asm/thread_info.h:5,
> from include/linux/thread_info.h:38,
> from include/asm-generic/preempt.h:5,
> from ./arch/sparc/include/generated/asm/preempt.h:1,
> from include/linux/preempt.h:78,
> from include/linux/spinlock.h:51,
> from include/linux/swait.h:7,
> from include/linux/completion.h:12,
> from drivers/platform/olpc/olpc-xo175-ec.c:12:
> >> include/asm-generic/memory_model.h:54:29: error: 'vmemmap' undeclared (first use in this function); did you mean 'mem_map'?
> 54 | #define __pfn_to_page(pfn) (vmemmap + (pfn))
> | ^~~~~~~
> >> include/asm-generic/memory_model.h:82:21: note: in expansion of macro '__pfn_to_page'
> 82 | #define pfn_to_page __pfn_to_page
> | ^~~~~~~~~~~~~
> >> include/linux/mmzone.h:1333:43: note: in expansion of macro 'pfn_to_page'
> 1333 | return (early_section(ms) && PageUnavail(pfn_to_page(pfn))) ||
> | ^~~~~~~~~~~
> At top level:
> drivers/platform/olpc/olpc-xo175-ec.c:739:35: warning: 'olpc_xo175_ec_id_table' defined but not used [-Wunused-const-variable=]
> 739 | static const struct spi_device_id olpc_xo175_ec_id_table[] = {
> | ^~~~~~~~~~~~~~~~~~~~~~
> ..
>
> vim +1322 include/linux/mmzone.h
>
> 1316
> 1317 #ifndef CONFIG_HAVE_ARCH_PFN_VALID
> 1318 static inline int early_pfn_valid(unsigned long pfn)
> 1319 {
> 1320 if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS)
> 1321 return 0;
> > 1322 return valid_section(__pfn_to_section(pfn))
return valid_section(__pfn_to_section(pfn));
Thanks for noticing. It should be here a semicolon is missing.
The patch is a draft RFC patch, not so formal. I am still waiting for
people to give some suggestions on whether the solution is a good way to
go.
Thanks
Baoquan
> 1323 }
> 1324
> 1325 static inline int pfn_valid(unsigned long pfn)
> 1326 {
> 1327 if (!early_pfn_valid(pfn))
> 1328 return 0;
> 1329 /*
> 1330 * Traditionally early sections always returned pfn_valid() for
> 1331 * the entire section-sized span.
> 1332 */
> > 1333 return (early_section(ms) && PageUnavail(pfn_to_page(pfn))) ||
> 1334 pfn_section_valid(ms, pfn);
> > 1335 }
> 1336 #endif
> 1337
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
next prev parent reply other threads:[~2020-06-03 1:28 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-21 1:44 [PATCH] mm/compaction: Fix the incorrect hole in fast_isolate_freepages() Baoquan He
2020-05-21 9:26 ` Mike Rapoport
2020-05-21 15:52 ` Baoquan He
2020-05-21 17:18 ` Mike Rapoport
2020-05-22 7:01 ` Baoquan He
2020-05-22 7:25 ` Baoquan He
2020-05-22 14:20 ` Mike Rapoport
2020-05-26 8:45 ` Baoquan He
2020-05-26 8:55 ` David Hildenbrand
2020-05-26 11:32 ` Mike Rapoport
2020-05-26 11:49 ` David Hildenbrand
2020-05-28 9:07 ` Baoquan He
2020-05-28 9:08 ` David Hildenbrand
2020-05-28 15:15 ` Steve Wahl
2020-06-01 11:42 ` Mike Rapoport
2020-06-01 13:31 ` Baoquan He
2020-06-01 18:41 ` [RFC PATCH] mm: Add a new page type to mark unavailable pages kbuild test robot
2020-06-01 19:07 ` kbuild test robot
2020-06-03 1:28 ` Baoquan He [this message]
2020-05-21 9:36 ` [PATCH] mm/compaction: Fix the incorrect hole in fast_isolate_freepages() Mel Gorman
2020-05-21 13:38 ` Mike Rapoport
2020-05-21 15:41 ` Baoquan He
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