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Message-ID: <202410051828.Pb7a79Gu-lkp@intel.com>
Date: Sat, 5 Oct 2024 18:11:14 +0800
From: kernel test robot <lkp@...el.com>
To: "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
Linux Memory Management List <linux-mm@...ck.org>
Subject: arch/x86/mm/pat/memtype.c:128:39: error: use of undeclared
identifier 'PG_arch_2'; did you mean 'PG_arch_1'?
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 27cc6fdf720183dce1dbd293483ec5a9cb6b595e
commit: 7a87225ae2c6c317c7b80cf599e5cf0eee699196 x86: remove PG_uncached
date: 4 weeks ago
config: x86_64-randconfig-003-20241002 (https://download.01.org/0day-ci/archive/20241005/202410051828.Pb7a79Gu-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241005/202410051828.Pb7a79Gu-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410051828.Pb7a79Gu-lkp@intel.com/
All errors (new ones prefixed by >>):
>> arch/x86/mm/pat/memtype.c:128:39: error: use of undeclared identifier 'PG_arch_2'; did you mean 'PG_arch_1'?
128 | unsigned long pg_flags = pg->flags & _PGMT_MASK;
| ^
arch/x86/mm/pat/memtype.c:123:29: note: expanded from macro '_PGMT_MASK'
123 | #define _PGMT_MASK (1UL << PG_arch_2 | 1UL << PG_arch_1)
| ^
include/linux/page-flags.h:106:2: note: 'PG_arch_1' declared here
106 | PG_arch_1,
| ^
arch/x86/mm/pat/memtype.c:134:23: error: use of undeclared identifier 'PG_arch_2'; did you mean 'PG_arch_1'?
134 | else if (pg_flags == _PGMT_UC_MINUS)
| ^
arch/x86/mm/pat/memtype.c:121:33: note: expanded from macro '_PGMT_UC_MINUS'
121 | #define _PGMT_UC_MINUS (1UL << PG_arch_2)
| ^
include/linux/page-flags.h:106:2: note: 'PG_arch_1' declared here
106 | PG_arch_1,
| ^
arch/x86/mm/pat/memtype.c:152:19: error: use of undeclared identifier 'PG_arch_2'; did you mean 'PG_arch_1'?
152 | memtype_flags = _PGMT_UC_MINUS;
| ^
arch/x86/mm/pat/memtype.c:121:33: note: expanded from macro '_PGMT_UC_MINUS'
121 | #define _PGMT_UC_MINUS (1UL << PG_arch_2)
| ^
include/linux/page-flags.h:106:2: note: 'PG_arch_1' declared here
106 | PG_arch_1,
| ^
arch/x86/mm/pat/memtype.c:155:19: error: use of undeclared identifier 'PG_arch_2'; did you mean 'PG_arch_1'?
155 | memtype_flags = _PGMT_WT;
| ^
arch/x86/mm/pat/memtype.c:122:27: note: expanded from macro '_PGMT_WT'
122 | #define _PGMT_WT (1UL << PG_arch_2 | 1UL << PG_arch_1)
| ^
include/linux/page-flags.h:106:2: note: 'PG_arch_1' declared here
106 | PG_arch_1,
| ^
arch/x86/mm/pat/memtype.c:165:28: error: use of undeclared identifier 'PG_arch_2'; did you mean 'PG_arch_1'?
165 | new_flags = (old_flags & _PGMT_CLEAR_MASK) | memtype_flags;
| ^
arch/x86/mm/pat/memtype.c:124:28: note: expanded from macro '_PGMT_CLEAR_MASK'
124 | #define _PGMT_CLEAR_MASK (~_PGMT_MASK)
| ^
arch/x86/mm/pat/memtype.c:123:29: note: expanded from macro '_PGMT_MASK'
123 | #define _PGMT_MASK (1UL << PG_arch_2 | 1UL << PG_arch_1)
| ^
include/linux/page-flags.h:106:2: note: 'PG_arch_1' declared here
106 | PG_arch_1,
| ^
5 errors generated.
vim +128 arch/x86/mm/pat/memtype.c
0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 125
0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 126 static inline enum page_cache_mode get_page_memtype(struct page *pg)
0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 127 {
0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 @128 unsigned long pg_flags = pg->flags & _PGMT_MASK;
0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 129
35a5a10411d87e arch/x86/mm/pat.c Toshi Kani 2015-06-04 130 if (pg_flags == _PGMT_WB)
35a5a10411d87e arch/x86/mm/pat.c Toshi Kani 2015-06-04 131 return _PAGE_CACHE_MODE_WB;
0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 132 else if (pg_flags == _PGMT_WC)
0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 133 return _PAGE_CACHE_MODE_WC;
0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 134 else if (pg_flags == _PGMT_UC_MINUS)
0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 135 return _PAGE_CACHE_MODE_UC_MINUS;
0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 136 else
35a5a10411d87e arch/x86/mm/pat.c Toshi Kani 2015-06-04 137 return _PAGE_CACHE_MODE_WT;
0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 138 }
0dbcae884779fd arch/x86/mm/pat.c Thomas Gleixner 2014-11-16 139
:::::: The code at line 128 was first introduced by commit
:::::: 0dbcae884779fdf7e2239a97ac7488877f0693d9 x86: mm: Move PAT only functions to mm/pat.c
:::::: TO: Thomas Gleixner <tglx@...utronix.de>
:::::: CC: Thomas Gleixner <tglx@...utronix.de>
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