Re: [PATCH 19/21] MIPS memblock: Add print out method of kernel virtual memory layout
From: kbuild test robot
Date: Sun Dec 18 2016 - 22:53:07 EST
Hi Serge,
[auto build test ERROR on linus/master]
[also build test ERROR on v4.9 next-20161216]
[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/Serge-Semin/MIPS-memblock-Remove-bootmem-code-and-switch-to-NO_BOOTMEM/20161219-105045
config: mips-allyesconfig (attached as .config)
compiler: mips-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=mips
All error/warnings (new ones prefixed by >>):
In file included from arch/mips/include/asm/bug.h:4:0,
from include/linux/bug.h:4,
from arch/mips/mm/init.c:12:
arch/mips/mm/init.c: In function 'mem_print_kmap_info':
>> arch/mips/mm/init.c:143:31: error: 'LAST_PKMAP' undeclared (first use in this function)
BUILD_BUG_ON((PKMAP_BASE) + (LAST_PKMAP)*(PAGE_SIZE) < PAGE_OFFSET);
^
include/linux/compiler.h:498:19: note: in definition of macro '__compiletime_assert'
bool __cond = !(condition); \
^~~~~~~~~
include/linux/compiler.h:518:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:54:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:78:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
>> arch/mips/mm/init.c:143:2: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON((PKMAP_BASE) + (LAST_PKMAP)*(PAGE_SIZE) < PAGE_OFFSET);
^~~~~~~~~~~~
arch/mips/mm/init.c:143:31: note: each undeclared identifier is reported only once for each function it appears in
BUILD_BUG_ON((PKMAP_BASE) + (LAST_PKMAP)*(PAGE_SIZE) < PAGE_OFFSET);
^
include/linux/compiler.h:498:19: note: in definition of macro '__compiletime_assert'
bool __cond = !(condition); \
^~~~~~~~~
include/linux/compiler.h:518:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:54:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:78:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
>> arch/mips/mm/init.c:143:2: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON((PKMAP_BASE) + (LAST_PKMAP)*(PAGE_SIZE) < PAGE_OFFSET);
^~~~~~~~~~~~
vim +/LAST_PKMAP +143 arch/mips/mm/init.c
6 * Copyright (C) 1994 - 2000 Ralf Baechle
7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
8 * Kevin D. Kissell, kevink@xxxxxxxx and Carsten Langgaard, carstenl@xxxxxxxx
9 * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
10 * Copyright (C) 2016 T-Platforms. All Rights Reserved.
11 */
> 12 #include <linux/bug.h>
13 #include <linux/init.h>
14 #include <linux/export.h>
15 #include <linux/signal.h>
16 #include <linux/sched.h>
17 #include <linux/smp.h>
18 #include <linux/kernel.h>
19 #include <linux/errno.h>
20 #include <linux/string.h>
21 #include <linux/types.h>
22 #include <linux/pagemap.h>
23 #include <linux/ptrace.h>
24 #include <linux/mman.h>
25 #include <linux/mm.h>
26 #include <linux/memblock.h>
27 #include <linux/bootmem.h>
28 #include <linux/highmem.h>
29 #include <linux/swap.h>
30 #include <linux/proc_fs.h>
31 #include <linux/pfn.h>
32 #include <linux/hardirq.h>
33 #include <linux/gfp.h>
34 #include <linux/kcore.h>
35 #include <linux/sizes.h>
36
37 #include <asm/asm-offsets.h>
38 #include <asm/bootinfo.h>
39 #include <asm/cachectl.h>
40 #include <asm/cpu.h>
41 #include <asm/dma.h>
42 #include <asm/kmap_types.h>
43 #include <asm/maar.h>
44 #include <asm/mmu_context.h>
45 #include <asm/sections.h>
46 #include <asm/pgtable.h>
47 #include <asm/pgalloc.h>
48 #include <asm/tlb.h>
49 #include <asm/fixmap.h>
50 #include <asm/maar.h>
51
52 /*
53 * We have up to 8 empty zeroed pages so we can map one of the right colour
54 * when needed. This is necessary only on R4000 / R4400 SC and MC versions
55 * where we have to avoid VCED / VECI exceptions for good performance at
56 * any price. Since page is never written to after the initialization we
57 * don't have to care about aliases on other CPUs.
58 */
59 unsigned long empty_zero_page, zero_page_mask;
60 EXPORT_SYMBOL_GPL(empty_zero_page);
61 EXPORT_SYMBOL(zero_page_mask);
62
63 /*
64 * Initialize sparse memory sections setting node ids and indexes
65 */
66 static void __init mips_memory_present(void)
67 {
68 #ifdef CONFIG_SPARSEMEM
69 struct memblock_region *reg;
70
71 for_each_memblock(memory, reg)
72 memory_present(0, memblock_region_memory_base_pfn(reg),
73 memblock_region_memory_end_pfn(reg));
74 #endif /* CONFIG_SPARSEMEM */
75 }
76
77 /*
78 * Setup nodes zone areas
79 */
80 static void __init zone_sizes_init(void)
81 {
82 unsigned long max_zone_pfns[MAX_NR_ZONES];
83
84 /* Clean zone boundaries array */
85 memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
86
87 /* Setup determined boundaries */
88 #ifdef CONFIG_ZONE_DMA
89 max_zone_pfns[ZONE_DMA] = MAX_DMA_PFN;
90 #endif
91 #ifdef CONFIG_ZONE_DMA32
92 max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
93 #endif
94 max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
95 #ifdef CONFIG_HIGHMEM
96 max_zone_pfns[ZONE_HIGHMEM] = highend_pfn;
97
98 /* Make sure the processor supports highmem */
99 if (cpu_has_dc_aliases && max_low_pfn != highend_pfn) {
100 pr_warn("CPU doesn't support highmem. %ldk highmem ignored\n",
101 (highend_pfn - max_low_pfn) << (PAGE_SHIFT - 10));
102 max_zone_pfns[ZONE_HIGHMEM] = max_low_pfn;
103 }
104 #endif
105
106 /* Finally initialize nodes and page maps using memblock info */
107 free_area_init_nodes(max_zone_pfns);
108 }
109
110 /*
111 * Print out kernel memory layout
112 */
113 #define MLK(b, t) b, t, ((t) - (b)) >> 10
114 #define MLM(b, t) b, t, ((t) - (b)) >> 20
115 #define MLK_ROUNDUP(b, t) b, t, DIV_ROUND_UP(((t) - (b)), SZ_1K)
116 static void __init mem_print_kmap_info(void)
117 {
118 pr_notice("Virtual kernel memory layout:\n"
119 " lowmem : 0x%08lx - 0x%08lx (%4ld MB)\n"
120 " vmalloc : 0x%08lx - 0x%08lx (%4ld MB)\n"
121 #ifdef CONFIG_HIGHMEM
122 " pkmap : 0x%08lx - 0x%08lx (%4ld MB)\n"
123 #endif
124 " fixmap : 0x%08lx - 0x%08lx (%4ld kB)\n"
125 " .text : 0x%p" " - 0x%p" " (%4td kB)\n"
126 " .data : 0x%p" " - 0x%p" " (%4td kB)\n"
127 " .init : 0x%p" " - 0x%p" " (%4td kB)\n",
128 MLM(PAGE_OFFSET, (unsigned long)high_memory),
129 MLM(VMALLOC_START, VMALLOC_END),
130 #ifdef CONFIG_HIGHMEM
131 MLM(PKMAP_BASE, (PKMAP_BASE) + (LAST_PKMAP)*(PAGE_SIZE)),
132 #endif
133 MLK(FIXADDR_START, FIXADDR_TOP),
134 MLK_ROUNDUP(_text, _etext),
135 MLK_ROUNDUP(_sdata, _edata),
136 MLK_ROUNDUP(__init_begin, __init_end));
137
138 /* Check some fundamental inconsistencies. May add something else? */
139 #ifdef CONFIG_HIGHMEM
140 BUILD_BUG_ON(VMALLOC_END < PAGE_OFFSET);
141 BUG_ON(VMALLOC_END < (unsigned long)high_memory);
142 #endif
> 143 BUILD_BUG_ON((PKMAP_BASE) + (LAST_PKMAP)*(PAGE_SIZE) < PAGE_OFFSET);
144 BUG_ON((PKMAP_BASE) + (LAST_PKMAP)*(PAGE_SIZE) <
145 (unsigned long)high_memory);
146 BUILD_BUG_ON(FIXADDR_TOP < PAGE_OFFSET);
---
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