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Message-ID: <202208221202.iADPOzMc-lkp@intel.com>
Date: Mon, 22 Aug 2022 12:54:29 +0800
From: kernel test robot <lkp@...el.com>
To: Liu Shixin <liushixin2@...wei.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
0day robot <lkp@...el.com>
Subject: mm/page_alloc.c:6050:13: warning: unused variable 'cpu'
tree: https://github.com/intel-lab-lkp/linux/commits/UPDATE-20220822-110006/Liu-Shixin/mm-proc-collect-percpu-free-pages-into-the-free-pages/20220822-095948
head: 8190723fa00c3bbaa252ce0f3cbb4dac1a9cb6ff
commit: 8190723fa00c3bbaa252ce0f3cbb4dac1a9cb6ff mm, proc: collect percpu free pages into the free pages
date: 2 hours ago
config: i386-defconfig (https://download.01.org/0day-ci/archive/20220822/202208221202.iADPOzMc-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce (this is a W=1 build):
# https://github.com/intel-lab-lkp/linux/commit/8190723fa00c3bbaa252ce0f3cbb4dac1a9cb6ff
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review UPDATE-20220822-110006/Liu-Shixin/mm-proc-collect-percpu-free-pages-into-the-free-pages/20220822-095948
git checkout 8190723fa00c3bbaa252ce0f3cbb4dac1a9cb6ff
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
mm/page_alloc.c: In function 'show_free_areas':
>> mm/page_alloc.c:6050:13: warning: unused variable 'cpu' [-Wunused-variable]
6050 | int cpu, nid;
| ^~~
vim +/cpu +6050 mm/page_alloc.c
377e4f167664d8 Rabin Vincent 2012-12-11 6037
^1da177e4c3f41 Linus Torvalds 2005-04-16 6038 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 6039 * Show free area list (used inside shift_scroll-lock stuff)
^1da177e4c3f41 Linus Torvalds 2005-04-16 6040 * We also calculate the percentage fragmentation. We do this by counting the
^1da177e4c3f41 Linus Torvalds 2005-04-16 6041 * memory on each free list with the exception of the first item on the list.
d1bfcdb8ce0ea6 Konstantin Khlebnikov 2015-04-14 6042 *
d1bfcdb8ce0ea6 Konstantin Khlebnikov 2015-04-14 6043 * Bits in @filter:
d1bfcdb8ce0ea6 Konstantin Khlebnikov 2015-04-14 6044 * SHOW_MEM_FILTER_NODES: suppress nodes that are not allowed by current's
d1bfcdb8ce0ea6 Konstantin Khlebnikov 2015-04-14 6045 * cpuset.
^1da177e4c3f41 Linus Torvalds 2005-04-16 6046 */
9af744d743170b Michal Hocko 2017-02-22 6047 void show_free_areas(unsigned int filter, nodemask_t *nodemask)
^1da177e4c3f41 Linus Torvalds 2005-04-16 6048 {
d1bfcdb8ce0ea6 Konstantin Khlebnikov 2015-04-14 6049 unsigned long free_pcp = 0;
dcadcf1c30619e Gang Li 2022-07-06 @6050 int cpu, nid;
^1da177e4c3f41 Linus Torvalds 2005-04-16 6051 struct zone *zone;
599d0c954f91d0 Mel Gorman 2016-07-28 6052 pg_data_t *pgdat;
^1da177e4c3f41 Linus Torvalds 2005-04-16 6053
ee99c71c59f897 KOSAKI Motohiro 2009-03-31 6054 for_each_populated_zone(zone) {
9af744d743170b Michal Hocko 2017-02-22 6055 if (show_mem_node_skip(filter, zone_to_nid(zone), nodemask))
ddd588b5dd55f1 David Rientjes 2011-03-22 6056 continue;
d1bfcdb8ce0ea6 Konstantin Khlebnikov 2015-04-14 6057
8190723fa00c3b Liu Shixin 2022-08-22 6058 free_pcp += nr_free_zone_pcplist_pages(zone);
^1da177e4c3f41 Linus Torvalds 2005-04-16 6059 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 6060
a731286de62294 KOSAKI Motohiro 2009-09-21 6061 printk("active_anon:%lu inactive_anon:%lu isolated_anon:%lu\n"
a731286de62294 KOSAKI Motohiro 2009-09-21 6062 " active_file:%lu inactive_file:%lu isolated_file:%lu\n"
8d92890bd6b850 NeilBrown 2020-06-01 6063 " unevictable:%lu dirty:%lu writeback:%lu\n"
d1bfcdb8ce0ea6 Konstantin Khlebnikov 2015-04-14 6064 " slab_reclaimable:%lu slab_unreclaimable:%lu\n"
d1ce749a0db122 Bartlomiej Zolnierkiewicz 2012-10-08 6065 " mapped:%lu shmem:%lu pagetables:%lu bounce:%lu\n"
eb2169cee36fc4 liuhailong 2021-09-02 6066 " kernel_misc_reclaimable:%lu\n"
d1bfcdb8ce0ea6 Konstantin Khlebnikov 2015-04-14 6067 " free:%lu free_pcp:%lu free_cma:%lu\n",
599d0c954f91d0 Mel Gorman 2016-07-28 6068 global_node_page_state(NR_ACTIVE_ANON),
599d0c954f91d0 Mel Gorman 2016-07-28 6069 global_node_page_state(NR_INACTIVE_ANON),
599d0c954f91d0 Mel Gorman 2016-07-28 6070 global_node_page_state(NR_ISOLATED_ANON),
599d0c954f91d0 Mel Gorman 2016-07-28 6071 global_node_page_state(NR_ACTIVE_FILE),
599d0c954f91d0 Mel Gorman 2016-07-28 6072 global_node_page_state(NR_INACTIVE_FILE),
599d0c954f91d0 Mel Gorman 2016-07-28 6073 global_node_page_state(NR_ISOLATED_FILE),
599d0c954f91d0 Mel Gorman 2016-07-28 6074 global_node_page_state(NR_UNEVICTABLE),
11fb998986a72a Mel Gorman 2016-07-28 6075 global_node_page_state(NR_FILE_DIRTY),
11fb998986a72a Mel Gorman 2016-07-28 6076 global_node_page_state(NR_WRITEBACK),
d42f3245c7e299 Roman Gushchin 2020-08-06 6077 global_node_page_state_pages(NR_SLAB_RECLAIMABLE_B),
d42f3245c7e299 Roman Gushchin 2020-08-06 6078 global_node_page_state_pages(NR_SLAB_UNRECLAIMABLE_B),
50658e2e04c12d Mel Gorman 2016-07-28 6079 global_node_page_state(NR_FILE_MAPPED),
11fb998986a72a Mel Gorman 2016-07-28 6080 global_node_page_state(NR_SHMEM),
f0c0c115fb8194 Shakeel Butt 2020-12-14 6081 global_node_page_state(NR_PAGETABLE),
c41f012ade0b95 Michal Hocko 2017-09-06 6082 global_zone_page_state(NR_BOUNCE),
eb2169cee36fc4 liuhailong 2021-09-02 6083 global_node_page_state(NR_KERNEL_MISC_RECLAIMABLE),
c41f012ade0b95 Michal Hocko 2017-09-06 6084 global_zone_page_state(NR_FREE_PAGES),
d1bfcdb8ce0ea6 Konstantin Khlebnikov 2015-04-14 6085 free_pcp,
c41f012ade0b95 Michal Hocko 2017-09-06 6086 global_zone_page_state(NR_FREE_CMA_PAGES));
^1da177e4c3f41 Linus Torvalds 2005-04-16 6087
599d0c954f91d0 Mel Gorman 2016-07-28 6088 for_each_online_pgdat(pgdat) {
9af744d743170b Michal Hocko 2017-02-22 6089 if (show_mem_node_skip(filter, pgdat->node_id, nodemask))
c02e50bb8a55a7 Michal Hocko 2017-02-22 6090 continue;
c02e50bb8a55a7 Michal Hocko 2017-02-22 6091
599d0c954f91d0 Mel Gorman 2016-07-28 6092 printk("Node %d"
599d0c954f91d0 Mel Gorman 2016-07-28 6093 " active_anon:%lukB"
599d0c954f91d0 Mel Gorman 2016-07-28 6094 " inactive_anon:%lukB"
599d0c954f91d0 Mel Gorman 2016-07-28 6095 " active_file:%lukB"
599d0c954f91d0 Mel Gorman 2016-07-28 6096 " inactive_file:%lukB"
599d0c954f91d0 Mel Gorman 2016-07-28 6097 " unevictable:%lukB"
599d0c954f91d0 Mel Gorman 2016-07-28 6098 " isolated(anon):%lukB"
599d0c954f91d0 Mel Gorman 2016-07-28 6099 " isolated(file):%lukB"
50658e2e04c12d Mel Gorman 2016-07-28 6100 " mapped:%lukB"
11fb998986a72a Mel Gorman 2016-07-28 6101 " dirty:%lukB"
11fb998986a72a Mel Gorman 2016-07-28 6102 " writeback:%lukB"
11fb998986a72a Mel Gorman 2016-07-28 6103 " shmem:%lukB"
11fb998986a72a Mel Gorman 2016-07-28 6104 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
11fb998986a72a Mel Gorman 2016-07-28 6105 " shmem_thp: %lukB"
11fb998986a72a Mel Gorman 2016-07-28 6106 " shmem_pmdmapped: %lukB"
11fb998986a72a Mel Gorman 2016-07-28 6107 " anon_thp: %lukB"
11fb998986a72a Mel Gorman 2016-07-28 6108 #endif
11fb998986a72a Mel Gorman 2016-07-28 6109 " writeback_tmp:%lukB"
991e7673859ed4 Shakeel Butt 2020-08-06 6110 " kernel_stack:%lukB"
991e7673859ed4 Shakeel Butt 2020-08-06 6111 #ifdef CONFIG_SHADOW_CALL_STACK
991e7673859ed4 Shakeel Butt 2020-08-06 6112 " shadow_call_stack:%lukB"
991e7673859ed4 Shakeel Butt 2020-08-06 6113 #endif
f0c0c115fb8194 Shakeel Butt 2020-12-14 6114 " pagetables:%lukB"
599d0c954f91d0 Mel Gorman 2016-07-28 6115 " all_unreclaimable? %s"
599d0c954f91d0 Mel Gorman 2016-07-28 6116 "\n",
599d0c954f91d0 Mel Gorman 2016-07-28 6117 pgdat->node_id,
599d0c954f91d0 Mel Gorman 2016-07-28 6118 K(node_page_state(pgdat, NR_ACTIVE_ANON)),
599d0c954f91d0 Mel Gorman 2016-07-28 6119 K(node_page_state(pgdat, NR_INACTIVE_ANON)),
599d0c954f91d0 Mel Gorman 2016-07-28 6120 K(node_page_state(pgdat, NR_ACTIVE_FILE)),
599d0c954f91d0 Mel Gorman 2016-07-28 6121 K(node_page_state(pgdat, NR_INACTIVE_FILE)),
599d0c954f91d0 Mel Gorman 2016-07-28 6122 K(node_page_state(pgdat, NR_UNEVICTABLE)),
599d0c954f91d0 Mel Gorman 2016-07-28 6123 K(node_page_state(pgdat, NR_ISOLATED_ANON)),
599d0c954f91d0 Mel Gorman 2016-07-28 6124 K(node_page_state(pgdat, NR_ISOLATED_FILE)),
50658e2e04c12d Mel Gorman 2016-07-28 6125 K(node_page_state(pgdat, NR_FILE_MAPPED)),
11fb998986a72a Mel Gorman 2016-07-28 6126 K(node_page_state(pgdat, NR_FILE_DIRTY)),
11fb998986a72a Mel Gorman 2016-07-28 6127 K(node_page_state(pgdat, NR_WRITEBACK)),
1f06b81aea5ecb Alexander Polakov 2017-04-07 6128 K(node_page_state(pgdat, NR_SHMEM)),
11fb998986a72a Mel Gorman 2016-07-28 6129 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
57b2847d3c1dc1 Muchun Song 2021-02-24 6130 K(node_page_state(pgdat, NR_SHMEM_THPS)),
a1528e21f8915e Muchun Song 2021-02-24 6131 K(node_page_state(pgdat, NR_SHMEM_PMDMAPPED)),
69473e5de87389 Muchun Song 2021-02-24 6132 K(node_page_state(pgdat, NR_ANON_THPS)),
11fb998986a72a Mel Gorman 2016-07-28 6133 #endif
11fb998986a72a Mel Gorman 2016-07-28 6134 K(node_page_state(pgdat, NR_WRITEBACK_TEMP)),
991e7673859ed4 Shakeel Butt 2020-08-06 6135 node_page_state(pgdat, NR_KERNEL_STACK_KB),
991e7673859ed4 Shakeel Butt 2020-08-06 6136 #ifdef CONFIG_SHADOW_CALL_STACK
991e7673859ed4 Shakeel Butt 2020-08-06 6137 node_page_state(pgdat, NR_KERNEL_SCS_KB),
991e7673859ed4 Shakeel Butt 2020-08-06 6138 #endif
f0c0c115fb8194 Shakeel Butt 2020-12-14 6139 K(node_page_state(pgdat, NR_PAGETABLE)),
c73322d098e4b6 Johannes Weiner 2017-05-03 6140 pgdat->kswapd_failures >= MAX_RECLAIM_RETRIES ?
c73322d098e4b6 Johannes Weiner 2017-05-03 6141 "yes" : "no");
599d0c954f91d0 Mel Gorman 2016-07-28 6142 }
599d0c954f91d0 Mel Gorman 2016-07-28 6143
ee99c71c59f897 KOSAKI Motohiro 2009-03-31 6144 for_each_populated_zone(zone) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 6145 int i;
^1da177e4c3f41 Linus Torvalds 2005-04-16 6146
9af744d743170b Michal Hocko 2017-02-22 6147 if (show_mem_node_skip(filter, zone_to_nid(zone), nodemask))
ddd588b5dd55f1 David Rientjes 2011-03-22 6148 continue;
d1bfcdb8ce0ea6 Konstantin Khlebnikov 2015-04-14 6149
8190723fa00c3b Liu Shixin 2022-08-22 6150 free_pcp = nr_free_zone_pcplist_pages(zone);
d1bfcdb8ce0ea6 Konstantin Khlebnikov 2015-04-14 6151
^1da177e4c3f41 Linus Torvalds 2005-04-16 6152 show_node(zone);
1f84a18fc010d7 Joe Perches 2016-10-27 6153 printk(KERN_CONT
1f84a18fc010d7 Joe Perches 2016-10-27 6154 "%s"
^1da177e4c3f41 Linus Torvalds 2005-04-16 6155 " free:%lukB"
a6ea8b5b9f1ce3 Liangcai Fan 2021-11-05 6156 " boost:%lukB"
^1da177e4c3f41 Linus Torvalds 2005-04-16 6157 " min:%lukB"
^1da177e4c3f41 Linus Torvalds 2005-04-16 6158 " low:%lukB"
^1da177e4c3f41 Linus Torvalds 2005-04-16 6159 " high:%lukB"
e47b346aba0873 lijiazi 2019-11-30 6160 " reserved_highatomic:%luKB"
71c799f4982d34 Minchan Kim 2016-07-28 6161 " active_anon:%lukB"
71c799f4982d34 Minchan Kim 2016-07-28 6162 " inactive_anon:%lukB"
71c799f4982d34 Minchan Kim 2016-07-28 6163 " active_file:%lukB"
71c799f4982d34 Minchan Kim 2016-07-28 6164 " inactive_file:%lukB"
71c799f4982d34 Minchan Kim 2016-07-28 6165 " unevictable:%lukB"
5a1c84b404a717 Mel Gorman 2016-07-28 6166 " writepending:%lukB"
^1da177e4c3f41 Linus Torvalds 2005-04-16 6167 " present:%lukB"
9feedc9d831e18 Jiang Liu 2012-12-12 6168 " managed:%lukB"
4a0aa73f1d613b KOSAKI Motohiro 2009-09-21 6169 " mlocked:%lukB"
4a0aa73f1d613b KOSAKI Motohiro 2009-09-21 6170 " bounce:%lukB"
d1bfcdb8ce0ea6 Konstantin Khlebnikov 2015-04-14 6171 " free_pcp:%lukB"
d1bfcdb8ce0ea6 Konstantin Khlebnikov 2015-04-14 6172 " local_pcp:%ukB"
d1ce749a0db122 Bartlomiej Zolnierkiewicz 2012-10-08 6173 " free_cma:%lukB"
^1da177e4c3f41 Linus Torvalds 2005-04-16 6174 "\n",
^1da177e4c3f41 Linus Torvalds 2005-04-16 6175 zone->name,
88f5acf88ae6a9 Mel Gorman 2011-01-13 6176 K(zone_page_state(zone, NR_FREE_PAGES)),
a6ea8b5b9f1ce3 Liangcai Fan 2021-11-05 6177 K(zone->watermark_boost),
418589663d6011 Mel Gorman 2009-06-16 6178 K(min_wmark_pages(zone)),
418589663d6011 Mel Gorman 2009-06-16 6179 K(low_wmark_pages(zone)),
418589663d6011 Mel Gorman 2009-06-16 6180 K(high_wmark_pages(zone)),
e47b346aba0873 lijiazi 2019-11-30 6181 K(zone->nr_reserved_highatomic),
71c799f4982d34 Minchan Kim 2016-07-28 6182 K(zone_page_state(zone, NR_ZONE_ACTIVE_ANON)),
71c799f4982d34 Minchan Kim 2016-07-28 6183 K(zone_page_state(zone, NR_ZONE_INACTIVE_ANON)),
71c799f4982d34 Minchan Kim 2016-07-28 6184 K(zone_page_state(zone, NR_ZONE_ACTIVE_FILE)),
71c799f4982d34 Minchan Kim 2016-07-28 6185 K(zone_page_state(zone, NR_ZONE_INACTIVE_FILE)),
71c799f4982d34 Minchan Kim 2016-07-28 6186 K(zone_page_state(zone, NR_ZONE_UNEVICTABLE)),
5a1c84b404a717 Mel Gorman 2016-07-28 6187 K(zone_page_state(zone, NR_ZONE_WRITE_PENDING)),
^1da177e4c3f41 Linus Torvalds 2005-04-16 6188 K(zone->present_pages),
9705bea5f833f4 Arun KS 2018-12-28 6189 K(zone_managed_pages(zone)),
4a0aa73f1d613b KOSAKI Motohiro 2009-09-21 6190 K(zone_page_state(zone, NR_MLOCK)),
4a0aa73f1d613b KOSAKI Motohiro 2009-09-21 6191 K(zone_page_state(zone, NR_BOUNCE)),
d1bfcdb8ce0ea6 Konstantin Khlebnikov 2015-04-14 6192 K(free_pcp),
28f836b6777b6f Mel Gorman 2021-06-28 6193 K(this_cpu_read(zone->per_cpu_pageset->count)),
33e077bd6059a5 Minchan Kim 2016-07-28 6194 K(zone_page_state(zone, NR_FREE_CMA_PAGES)));
^1da177e4c3f41 Linus Torvalds 2005-04-16 6195 printk("lowmem_reserve[]:");
^1da177e4c3f41 Linus Torvalds 2005-04-16 6196 for (i = 0; i < MAX_NR_ZONES; i++)
1f84a18fc010d7 Joe Perches 2016-10-27 6197 printk(KERN_CONT " %ld", zone->lowmem_reserve[i]);
1f84a18fc010d7 Joe Perches 2016-10-27 6198 printk(KERN_CONT "\n");
^1da177e4c3f41 Linus Torvalds 2005-04-16 6199 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 6200
ee99c71c59f897 KOSAKI Motohiro 2009-03-31 6201 for_each_populated_zone(zone) {
d00181b96eb86c Kirill A. Shutemov 2015-11-06 6202 unsigned int order;
d00181b96eb86c Kirill A. Shutemov 2015-11-06 6203 unsigned long nr[MAX_ORDER], flags, total = 0;
377e4f167664d8 Rabin Vincent 2012-12-11 6204 unsigned char types[MAX_ORDER];
^1da177e4c3f41 Linus Torvalds 2005-04-16 6205
9af744d743170b Michal Hocko 2017-02-22 6206 if (show_mem_node_skip(filter, zone_to_nid(zone), nodemask))
ddd588b5dd55f1 David Rientjes 2011-03-22 6207 continue;
^1da177e4c3f41 Linus Torvalds 2005-04-16 6208 show_node(zone);
1f84a18fc010d7 Joe Perches 2016-10-27 6209 printk(KERN_CONT "%s: ", zone->name);
^1da177e4c3f41 Linus Torvalds 2005-04-16 6210
^1da177e4c3f41 Linus Torvalds 2005-04-16 6211 spin_lock_irqsave(&zone->lock, flags);
^1da177e4c3f41 Linus Torvalds 2005-04-16 6212 for (order = 0; order < MAX_ORDER; order++) {
377e4f167664d8 Rabin Vincent 2012-12-11 6213 struct free_area *area = &zone->free_area[order];
377e4f167664d8 Rabin Vincent 2012-12-11 6214 int type;
377e4f167664d8 Rabin Vincent 2012-12-11 6215
377e4f167664d8 Rabin Vincent 2012-12-11 6216 nr[order] = area->nr_free;
8f9de51a4a98ba Kirill Korotaev 2006-06-23 6217 total += nr[order] << order;
377e4f167664d8 Rabin Vincent 2012-12-11 6218
377e4f167664d8 Rabin Vincent 2012-12-11 6219 types[order] = 0;
377e4f167664d8 Rabin Vincent 2012-12-11 6220 for (type = 0; type < MIGRATE_TYPES; type++) {
b03641af680959 Dan Williams 2019-05-14 6221 if (!free_area_empty(area, type))
377e4f167664d8 Rabin Vincent 2012-12-11 6222 types[order] |= 1 << type;
377e4f167664d8 Rabin Vincent 2012-12-11 6223 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 6224 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 6225 spin_unlock_irqrestore(&zone->lock, flags);
377e4f167664d8 Rabin Vincent 2012-12-11 6226 for (order = 0; order < MAX_ORDER; order++) {
1f84a18fc010d7 Joe Perches 2016-10-27 6227 printk(KERN_CONT "%lu*%lukB ",
1f84a18fc010d7 Joe Perches 2016-10-27 6228 nr[order], K(1UL) << order);
377e4f167664d8 Rabin Vincent 2012-12-11 6229 if (nr[order])
377e4f167664d8 Rabin Vincent 2012-12-11 6230 show_migration_types(types[order]);
377e4f167664d8 Rabin Vincent 2012-12-11 6231 }
1f84a18fc010d7 Joe Perches 2016-10-27 6232 printk(KERN_CONT "= %lukB\n", K(total));
^1da177e4c3f41 Linus Torvalds 2005-04-16 6233 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 6234
dcadcf1c30619e Gang Li 2022-07-06 6235 for_each_online_node(nid) {
dcadcf1c30619e Gang Li 2022-07-06 6236 if (show_mem_node_skip(filter, nid, nodemask))
dcadcf1c30619e Gang Li 2022-07-06 6237 continue;
dcadcf1c30619e Gang Li 2022-07-06 6238 hugetlb_show_meminfo_node(nid);
dcadcf1c30619e Gang Li 2022-07-06 6239 }
949f7ec5760b02 David Rientjes 2013-04-29 6240
11fb998986a72a Mel Gorman 2016-07-28 6241 printk("%ld total pagecache pages\n", global_node_page_state(NR_FILE_PAGES));
e6f3602d2c5881 Larry Woodman 2008-02-04 6242
^1da177e4c3f41 Linus Torvalds 2005-04-16 6243 show_swap_cache_info();
^1da177e4c3f41 Linus Torvalds 2005-04-16 6244 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 6245
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