Hi Matteo, FYI, the error/warning still remains. tree: https://github.com/liu-song-6/linux.git uprobe-thp head: 352a3bf14738fddd770e902a0dc084ac862ce368 commit: 115fe47f84b1b7e9673aa9ffc0d5a4a9bb0ade15 [119/188] proc/sysctl: add shared variables for range check config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 115fe47f84b1b7e9673aa9ffc0d5a4a9bb0ade15 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> kernel/sysctl.c:1729:15: error: 'zero' undeclared here (not in a function); did you mean 'zero_ul'? .extra1 = &zero, ^~~~ zero_ul >> kernel/sysctl.c:1730:15: error: 'one' undeclared here (not in a function); did you mean 'zone'? .extra2 = &one, ^~~ zone vim +1729 kernel/sysctl.c ^1da177e4 Linus Torvalds 2005-04-16 1285 d8217f076 Eric W. Biederman 2007-10-18 1286 static struct ctl_table vm_table[] = { ^1da177e4 Linus Torvalds 2005-04-16 1287 { ^1da177e4 Linus Torvalds 2005-04-16 1288 .procname = "overcommit_memory", ^1da177e4 Linus Torvalds 2005-04-16 1289 .data = &sysctl_overcommit_memory, ^1da177e4 Linus Torvalds 2005-04-16 1290 .maxlen = sizeof(sysctl_overcommit_memory), ^1da177e4 Linus Torvalds 2005-04-16 1291 .mode = 0644, cb16e95fa Petr Holasek 2011-03-23 1292 .proc_handler = proc_dointvec_minmax, 115fe47f8 Matteo Croce 2019-05-26 1293 .extra1 = SYSCTL_ZERO, cb16e95fa Petr Holasek 2011-03-23 1294 .extra2 = &two, ^1da177e4 Linus Torvalds 2005-04-16 1295 }, ^1da177e4 Linus Torvalds 2005-04-16 1296 { fadd8fbd1 KAMEZAWA Hiroyuki 2006-06-23 1297 .procname = "panic_on_oom", fadd8fbd1 KAMEZAWA Hiroyuki 2006-06-23 1298 .data = &sysctl_panic_on_oom, fadd8fbd1 KAMEZAWA Hiroyuki 2006-06-23 1299 .maxlen = sizeof(sysctl_panic_on_oom), fadd8fbd1 KAMEZAWA Hiroyuki 2006-06-23 1300 .mode = 0644, cb16e95fa Petr Holasek 2011-03-23 1301 .proc_handler = proc_dointvec_minmax, 115fe47f8 Matteo Croce 2019-05-26 1302 .extra1 = SYSCTL_ZERO, cb16e95fa Petr Holasek 2011-03-23 1303 .extra2 = &two, fadd8fbd1 KAMEZAWA Hiroyuki 2006-06-23 1304 }, fadd8fbd1 KAMEZAWA Hiroyuki 2006-06-23 1305 { fe071d7e8 David Rientjes 2007-10-16 1306 .procname = "oom_kill_allocating_task", fe071d7e8 David Rientjes 2007-10-16 1307 .data = &sysctl_oom_kill_allocating_task, fe071d7e8 David Rientjes 2007-10-16 1308 .maxlen = sizeof(sysctl_oom_kill_allocating_task), fe071d7e8 David Rientjes 2007-10-16 1309 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1310 .proc_handler = proc_dointvec, fe071d7e8 David Rientjes 2007-10-16 1311 }, fe071d7e8 David Rientjes 2007-10-16 1312 { fef1bdd68 David Rientjes 2008-02-07 1313 .procname = "oom_dump_tasks", fef1bdd68 David Rientjes 2008-02-07 1314 .data = &sysctl_oom_dump_tasks, fef1bdd68 David Rientjes 2008-02-07 1315 .maxlen = sizeof(sysctl_oom_dump_tasks), fef1bdd68 David Rientjes 2008-02-07 1316 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1317 .proc_handler = proc_dointvec, fef1bdd68 David Rientjes 2008-02-07 1318 }, fef1bdd68 David Rientjes 2008-02-07 1319 { ^1da177e4 Linus Torvalds 2005-04-16 1320 .procname = "overcommit_ratio", ^1da177e4 Linus Torvalds 2005-04-16 1321 .data = &sysctl_overcommit_ratio, ^1da177e4 Linus Torvalds 2005-04-16 1322 .maxlen = sizeof(sysctl_overcommit_ratio), ^1da177e4 Linus Torvalds 2005-04-16 1323 .mode = 0644, 49f0ce5f9 Jerome Marchand 2014-01-21 1324 .proc_handler = overcommit_ratio_handler, 49f0ce5f9 Jerome Marchand 2014-01-21 1325 }, 49f0ce5f9 Jerome Marchand 2014-01-21 1326 { 49f0ce5f9 Jerome Marchand 2014-01-21 1327 .procname = "overcommit_kbytes", 49f0ce5f9 Jerome Marchand 2014-01-21 1328 .data = &sysctl_overcommit_kbytes, 49f0ce5f9 Jerome Marchand 2014-01-21 1329 .maxlen = sizeof(sysctl_overcommit_kbytes), 49f0ce5f9 Jerome Marchand 2014-01-21 1330 .mode = 0644, 49f0ce5f9 Jerome Marchand 2014-01-21 1331 .proc_handler = overcommit_kbytes_handler, ^1da177e4 Linus Torvalds 2005-04-16 1332 }, ^1da177e4 Linus Torvalds 2005-04-16 1333 { ^1da177e4 Linus Torvalds 2005-04-16 1334 .procname = "page-cluster", ^1da177e4 Linus Torvalds 2005-04-16 1335 .data = &page_cluster, ^1da177e4 Linus Torvalds 2005-04-16 1336 .maxlen = sizeof(int), ^1da177e4 Linus Torvalds 2005-04-16 1337 .mode = 0644, cb16e95fa Petr Holasek 2011-03-23 1338 .proc_handler = proc_dointvec_minmax, 115fe47f8 Matteo Croce 2019-05-26 1339 .extra1 = SYSCTL_ZERO, ^1da177e4 Linus Torvalds 2005-04-16 1340 }, ^1da177e4 Linus Torvalds 2005-04-16 1341 { ^1da177e4 Linus Torvalds 2005-04-16 1342 .procname = "dirty_background_ratio", ^1da177e4 Linus Torvalds 2005-04-16 1343 .data = &dirty_background_ratio, ^1da177e4 Linus Torvalds 2005-04-16 1344 .maxlen = sizeof(dirty_background_ratio), ^1da177e4 Linus Torvalds 2005-04-16 1345 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1346 .proc_handler = dirty_background_ratio_handler, 115fe47f8 Matteo Croce 2019-05-26 1347 .extra1 = SYSCTL_ZERO, ^1da177e4 Linus Torvalds 2005-04-16 1348 .extra2 = &one_hundred, ^1da177e4 Linus Torvalds 2005-04-16 1349 }, ^1da177e4 Linus Torvalds 2005-04-16 1350 { 2da02997e David Rientjes 2009-01-06 1351 .procname = "dirty_background_bytes", 2da02997e David Rientjes 2009-01-06 1352 .data = &dirty_background_bytes, 2da02997e David Rientjes 2009-01-06 1353 .maxlen = sizeof(dirty_background_bytes), 2da02997e David Rientjes 2009-01-06 1354 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1355 .proc_handler = dirty_background_bytes_handler, fc3501d41 Sven Wegener 2009-02-11 1356 .extra1 = &one_ul, 2da02997e David Rientjes 2009-01-06 1357 }, 2da02997e David Rientjes 2009-01-06 1358 { ^1da177e4 Linus Torvalds 2005-04-16 1359 .procname = "dirty_ratio", ^1da177e4 Linus Torvalds 2005-04-16 1360 .data = &vm_dirty_ratio, ^1da177e4 Linus Torvalds 2005-04-16 1361 .maxlen = sizeof(vm_dirty_ratio), ^1da177e4 Linus Torvalds 2005-04-16 1362 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1363 .proc_handler = dirty_ratio_handler, 115fe47f8 Matteo Croce 2019-05-26 1364 .extra1 = SYSCTL_ZERO, ^1da177e4 Linus Torvalds 2005-04-16 1365 .extra2 = &one_hundred, ^1da177e4 Linus Torvalds 2005-04-16 1366 }, ^1da177e4 Linus Torvalds 2005-04-16 1367 { 2da02997e David Rientjes 2009-01-06 1368 .procname = "dirty_bytes", 2da02997e David Rientjes 2009-01-06 1369 .data = &vm_dirty_bytes, 2da02997e David Rientjes 2009-01-06 1370 .maxlen = sizeof(vm_dirty_bytes), 2da02997e David Rientjes 2009-01-06 1371 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1372 .proc_handler = dirty_bytes_handler, 9e4a5bda8 Andrea Righi 2009-04-30 1373 .extra1 = &dirty_bytes_min, 2da02997e David Rientjes 2009-01-06 1374 }, 2da02997e David Rientjes 2009-01-06 1375 { ^1da177e4 Linus Torvalds 2005-04-16 1376 .procname = "dirty_writeback_centisecs", f6ef94381 Bart Samwel 2006-03-24 1377 .data = &dirty_writeback_interval, f6ef94381 Bart Samwel 2006-03-24 1378 .maxlen = sizeof(dirty_writeback_interval), ^1da177e4 Linus Torvalds 2005-04-16 1379 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1380 .proc_handler = dirty_writeback_centisecs_handler, ^1da177e4 Linus Torvalds 2005-04-16 1381 }, ^1da177e4 Linus Torvalds 2005-04-16 1382 { ^1da177e4 Linus Torvalds 2005-04-16 1383 .procname = "dirty_expire_centisecs", f6ef94381 Bart Samwel 2006-03-24 1384 .data = &dirty_expire_interval, f6ef94381 Bart Samwel 2006-03-24 1385 .maxlen = sizeof(dirty_expire_interval), ^1da177e4 Linus Torvalds 2005-04-16 1386 .mode = 0644, cb16e95fa Petr Holasek 2011-03-23 1387 .proc_handler = proc_dointvec_minmax, 115fe47f8 Matteo Croce 2019-05-26 1388 .extra1 = SYSCTL_ZERO, ^1da177e4 Linus Torvalds 2005-04-16 1389 }, ^1da177e4 Linus Torvalds 2005-04-16 1390 { 1efff914a Theodore Ts'o 2015-03-17 1391 .procname = "dirtytime_expire_seconds", 1efff914a Theodore Ts'o 2015-03-17 1392 .data = &dirtytime_expire_interval, 2d87b309a Randy Dunlap 2018-04-10 1393 .maxlen = sizeof(dirtytime_expire_interval), 1efff914a Theodore Ts'o 2015-03-17 1394 .mode = 0644, 1efff914a Theodore Ts'o 2015-03-17 1395 .proc_handler = dirtytime_interval_handler, 115fe47f8 Matteo Croce 2019-05-26 1396 .extra1 = SYSCTL_ZERO, 1efff914a Theodore Ts'o 2015-03-17 1397 }, 1efff914a Theodore Ts'o 2015-03-17 1398 { ^1da177e4 Linus Torvalds 2005-04-16 1399 .procname = "swappiness", ^1da177e4 Linus Torvalds 2005-04-16 1400 .data = &vm_swappiness, ^1da177e4 Linus Torvalds 2005-04-16 1401 .maxlen = sizeof(vm_swappiness), ^1da177e4 Linus Torvalds 2005-04-16 1402 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1403 .proc_handler = proc_dointvec_minmax, 115fe47f8 Matteo Croce 2019-05-26 1404 .extra1 = SYSCTL_ZERO, ^1da177e4 Linus Torvalds 2005-04-16 1405 .extra2 = &one_hundred, ^1da177e4 Linus Torvalds 2005-04-16 1406 }, ^1da177e4 Linus Torvalds 2005-04-16 1407 #ifdef CONFIG_HUGETLB_PAGE ^1da177e4 Linus Torvalds 2005-04-16 1408 { ^1da177e4 Linus Torvalds 2005-04-16 1409 .procname = "nr_hugepages", e5ff21594 Andi Kleen 2008-07-23 1410 .data = NULL, ^1da177e4 Linus Torvalds 2005-04-16 1411 .maxlen = sizeof(unsigned long), ^1da177e4 Linus Torvalds 2005-04-16 1412 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1413 .proc_handler = hugetlb_sysctl_handler, ^1da177e4 Linus Torvalds 2005-04-16 1414 }, 06808b082 Lee Schermerhorn 2009-12-14 1415 #ifdef CONFIG_NUMA 06808b082 Lee Schermerhorn 2009-12-14 1416 { 06808b082 Lee Schermerhorn 2009-12-14 1417 .procname = "nr_hugepages_mempolicy", 06808b082 Lee Schermerhorn 2009-12-14 1418 .data = NULL, 06808b082 Lee Schermerhorn 2009-12-14 1419 .maxlen = sizeof(unsigned long), 06808b082 Lee Schermerhorn 2009-12-14 1420 .mode = 0644, 06808b082 Lee Schermerhorn 2009-12-14 1421 .proc_handler = &hugetlb_mempolicy_sysctl_handler, 06808b082 Lee Schermerhorn 2009-12-14 1422 }, 4518085e1 Kemi Wang 2017-11-15 1423 { 4518085e1 Kemi Wang 2017-11-15 1424 .procname = "numa_stat", 4518085e1 Kemi Wang 2017-11-15 1425 .data = &sysctl_vm_numa_stat, 4518085e1 Kemi Wang 2017-11-15 1426 .maxlen = sizeof(int), 4518085e1 Kemi Wang 2017-11-15 1427 .mode = 0644, 4518085e1 Kemi Wang 2017-11-15 1428 .proc_handler = sysctl_vm_numa_stat_handler, 115fe47f8 Matteo Croce 2019-05-26 1429 .extra1 = SYSCTL_ZERO, 115fe47f8 Matteo Croce 2019-05-26 1430 .extra2 = SYSCTL_ONE, 4518085e1 Kemi Wang 2017-11-15 1431 }, 06808b082 Lee Schermerhorn 2009-12-14 1432 #endif ^1da177e4 Linus Torvalds 2005-04-16 1433 { ^1da177e4 Linus Torvalds 2005-04-16 1434 .procname = "hugetlb_shm_group", ^1da177e4 Linus Torvalds 2005-04-16 1435 .data = &sysctl_hugetlb_shm_group, ^1da177e4 Linus Torvalds 2005-04-16 1436 .maxlen = sizeof(gid_t), ^1da177e4 Linus Torvalds 2005-04-16 1437 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1438 .proc_handler = proc_dointvec, ^1da177e4 Linus Torvalds 2005-04-16 1439 }, 396faf030 Mel Gorman 2007-07-17 1440 { d1c3fb1f8 Nishanth Aravamudan 2007-12-17 1441 .procname = "nr_overcommit_hugepages", e5ff21594 Andi Kleen 2008-07-23 1442 .data = NULL, e5ff21594 Andi Kleen 2008-07-23 1443 .maxlen = sizeof(unsigned long), d1c3fb1f8 Nishanth Aravamudan 2007-12-17 1444 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1445 .proc_handler = hugetlb_overcommit_handler, d1c3fb1f8 Nishanth Aravamudan 2007-12-17 1446 }, ^1da177e4 Linus Torvalds 2005-04-16 1447 #endif ^1da177e4 Linus Torvalds 2005-04-16 1448 { ^1da177e4 Linus Torvalds 2005-04-16 1449 .procname = "lowmem_reserve_ratio", ^1da177e4 Linus Torvalds 2005-04-16 1450 .data = &sysctl_lowmem_reserve_ratio, ^1da177e4 Linus Torvalds 2005-04-16 1451 .maxlen = sizeof(sysctl_lowmem_reserve_ratio), ^1da177e4 Linus Torvalds 2005-04-16 1452 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1453 .proc_handler = lowmem_reserve_ratio_sysctl_handler, ^1da177e4 Linus Torvalds 2005-04-16 1454 }, ^1da177e4 Linus Torvalds 2005-04-16 1455 { 9d0243bca Andrew Morton 2006-01-08 1456 .procname = "drop_caches", 9d0243bca Andrew Morton 2006-01-08 1457 .data = &sysctl_drop_caches, 9d0243bca Andrew Morton 2006-01-08 1458 .maxlen = sizeof(int), 9d0243bca Andrew Morton 2006-01-08 1459 .mode = 0644, 9d0243bca Andrew Morton 2006-01-08 1460 .proc_handler = drop_caches_sysctl_handler, 115fe47f8 Matteo Croce 2019-05-26 1461 .extra1 = SYSCTL_ONE, 5509a5d27 Dave Hansen 2014-04-03 1462 .extra2 = &four, 9d0243bca Andrew Morton 2006-01-08 1463 }, 76ab0f530 Mel Gorman 2010-05-24 1464 #ifdef CONFIG_COMPACTION 76ab0f530 Mel Gorman 2010-05-24 1465 { 76ab0f530 Mel Gorman 2010-05-24 1466 .procname = "compact_memory", 76ab0f530 Mel Gorman 2010-05-24 1467 .data = &sysctl_compact_memory, 76ab0f530 Mel Gorman 2010-05-24 1468 .maxlen = sizeof(int), 76ab0f530 Mel Gorman 2010-05-24 1469 .mode = 0200, 76ab0f530 Mel Gorman 2010-05-24 1470 .proc_handler = sysctl_compaction_handler, 76ab0f530 Mel Gorman 2010-05-24 1471 }, 5e7719058 Mel Gorman 2010-05-24 1472 { 5e7719058 Mel Gorman 2010-05-24 1473 .procname = "extfrag_threshold", 5e7719058 Mel Gorman 2010-05-24 1474 .data = &sysctl_extfrag_threshold, 5e7719058 Mel Gorman 2010-05-24 1475 .maxlen = sizeof(int), 5e7719058 Mel Gorman 2010-05-24 1476 .mode = 0644, 6b7e5cad6 Matthew Wilcox 2019-03-05 1477 .proc_handler = proc_dointvec_minmax, 5e7719058 Mel Gorman 2010-05-24 1478 .extra1 = &min_extfrag_threshold, 5e7719058 Mel Gorman 2010-05-24 1479 .extra2 = &max_extfrag_threshold, 5e7719058 Mel Gorman 2010-05-24 1480 }, 5bbe3547a Eric B Munson 2015-04-15 1481 { 5bbe3547a Eric B Munson 2015-04-15 1482 .procname = "compact_unevictable_allowed", 5bbe3547a Eric B Munson 2015-04-15 1483 .data = &sysctl_compact_unevictable_allowed, 5bbe3547a Eric B Munson 2015-04-15 1484 .maxlen = sizeof(int), 5bbe3547a Eric B Munson 2015-04-15 1485 .mode = 0644, 5bbe3547a Eric B Munson 2015-04-15 1486 .proc_handler = proc_dointvec, 115fe47f8 Matteo Croce 2019-05-26 1487 .extra1 = SYSCTL_ZERO, 115fe47f8 Matteo Croce 2019-05-26 1488 .extra2 = SYSCTL_ONE, 5bbe3547a Eric B Munson 2015-04-15 1489 }, 5e7719058 Mel Gorman 2010-05-24 1490 76ab0f530 Mel Gorman 2010-05-24 1491 #endif /* CONFIG_COMPACTION */ 9d0243bca Andrew Morton 2006-01-08 1492 { ^1da177e4 Linus Torvalds 2005-04-16 1493 .procname = "min_free_kbytes", ^1da177e4 Linus Torvalds 2005-04-16 1494 .data = &min_free_kbytes, ^1da177e4 Linus Torvalds 2005-04-16 1495 .maxlen = sizeof(min_free_kbytes), ^1da177e4 Linus Torvalds 2005-04-16 1496 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1497 .proc_handler = min_free_kbytes_sysctl_handler, 115fe47f8 Matteo Croce 2019-05-26 1498 .extra1 = SYSCTL_ZERO, ^1da177e4 Linus Torvalds 2005-04-16 1499 }, 8ad4b1fb8 Rohit Seth 2006-01-08 1500 { 1c30844d2 Mel Gorman 2018-12-28 1501 .procname = "watermark_boost_factor", 1c30844d2 Mel Gorman 2018-12-28 1502 .data = &watermark_boost_factor, 1c30844d2 Mel Gorman 2018-12-28 1503 .maxlen = sizeof(watermark_boost_factor), 1c30844d2 Mel Gorman 2018-12-28 1504 .mode = 0644, 1c30844d2 Mel Gorman 2018-12-28 1505 .proc_handler = watermark_boost_factor_sysctl_handler, 115fe47f8 Matteo Croce 2019-05-26 1506 .extra1 = SYSCTL_ZERO, 1c30844d2 Mel Gorman 2018-12-28 1507 }, 1c30844d2 Mel Gorman 2018-12-28 1508 { 795ae7a0d Johannes Weiner 2016-03-17 1509 .procname = "watermark_scale_factor", 795ae7a0d Johannes Weiner 2016-03-17 1510 .data = &watermark_scale_factor, 795ae7a0d Johannes Weiner 2016-03-17 1511 .maxlen = sizeof(watermark_scale_factor), 795ae7a0d Johannes Weiner 2016-03-17 1512 .mode = 0644, 795ae7a0d Johannes Weiner 2016-03-17 1513 .proc_handler = watermark_scale_factor_sysctl_handler, 115fe47f8 Matteo Croce 2019-05-26 1514 .extra1 = SYSCTL_ONE, 795ae7a0d Johannes Weiner 2016-03-17 1515 .extra2 = &one_thousand, 795ae7a0d Johannes Weiner 2016-03-17 1516 }, 795ae7a0d Johannes Weiner 2016-03-17 1517 { 8ad4b1fb8 Rohit Seth 2006-01-08 1518 .procname = "percpu_pagelist_fraction", 8ad4b1fb8 Rohit Seth 2006-01-08 1519 .data = &percpu_pagelist_fraction, 8ad4b1fb8 Rohit Seth 2006-01-08 1520 .maxlen = sizeof(percpu_pagelist_fraction), 8ad4b1fb8 Rohit Seth 2006-01-08 1521 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1522 .proc_handler = percpu_pagelist_fraction_sysctl_handler, 115fe47f8 Matteo Croce 2019-05-26 1523 .extra1 = SYSCTL_ZERO, 8ad4b1fb8 Rohit Seth 2006-01-08 1524 }, ^1da177e4 Linus Torvalds 2005-04-16 1525 #ifdef CONFIG_MMU ^1da177e4 Linus Torvalds 2005-04-16 1526 { ^1da177e4 Linus Torvalds 2005-04-16 1527 .procname = "max_map_count", ^1da177e4 Linus Torvalds 2005-04-16 1528 .data = &sysctl_max_map_count, ^1da177e4 Linus Torvalds 2005-04-16 1529 .maxlen = sizeof(sysctl_max_map_count), ^1da177e4 Linus Torvalds 2005-04-16 1530 .mode = 0644, 3e26120cc WANG Cong 2009-12-17 1531 .proc_handler = proc_dointvec_minmax, 115fe47f8 Matteo Croce 2019-05-26 1532 .extra1 = SYSCTL_ZERO, ^1da177e4 Linus Torvalds 2005-04-16 1533 }, dd8632a12 Paul Mundt 2009-01-08 1534 #else dd8632a12 Paul Mundt 2009-01-08 1535 { dd8632a12 Paul Mundt 2009-01-08 1536 .procname = "nr_trim_pages", dd8632a12 Paul Mundt 2009-01-08 1537 .data = &sysctl_nr_trim_pages, dd8632a12 Paul Mundt 2009-01-08 1538 .maxlen = sizeof(sysctl_nr_trim_pages), dd8632a12 Paul Mundt 2009-01-08 1539 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1540 .proc_handler = proc_dointvec_minmax, 115fe47f8 Matteo Croce 2019-05-26 1541 .extra1 = SYSCTL_ZERO, dd8632a12 Paul Mundt 2009-01-08 1542 }, ^1da177e4 Linus Torvalds 2005-04-16 1543 #endif ^1da177e4 Linus Torvalds 2005-04-16 1544 { ^1da177e4 Linus Torvalds 2005-04-16 1545 .procname = "laptop_mode", ^1da177e4 Linus Torvalds 2005-04-16 1546 .data = &laptop_mode, ^1da177e4 Linus Torvalds 2005-04-16 1547 .maxlen = sizeof(laptop_mode), ^1da177e4 Linus Torvalds 2005-04-16 1548 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1549 .proc_handler = proc_dointvec_jiffies, ^1da177e4 Linus Torvalds 2005-04-16 1550 }, ^1da177e4 Linus Torvalds 2005-04-16 1551 { ^1da177e4 Linus Torvalds 2005-04-16 1552 .procname = "block_dump", ^1da177e4 Linus Torvalds 2005-04-16 1553 .data = &block_dump, ^1da177e4 Linus Torvalds 2005-04-16 1554 .maxlen = sizeof(block_dump), ^1da177e4 Linus Torvalds 2005-04-16 1555 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1556 .proc_handler = proc_dointvec, 115fe47f8 Matteo Croce 2019-05-26 1557 .extra1 = SYSCTL_ZERO, ^1da177e4 Linus Torvalds 2005-04-16 1558 }, ^1da177e4 Linus Torvalds 2005-04-16 1559 { ^1da177e4 Linus Torvalds 2005-04-16 1560 .procname = "vfs_cache_pressure", ^1da177e4 Linus Torvalds 2005-04-16 1561 .data = &sysctl_vfs_cache_pressure, ^1da177e4 Linus Torvalds 2005-04-16 1562 .maxlen = sizeof(sysctl_vfs_cache_pressure), ^1da177e4 Linus Torvalds 2005-04-16 1563 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1564 .proc_handler = proc_dointvec, 115fe47f8 Matteo Croce 2019-05-26 1565 .extra1 = SYSCTL_ZERO, ^1da177e4 Linus Torvalds 2005-04-16 1566 }, ^1da177e4 Linus Torvalds 2005-04-16 1567 #ifdef HAVE_ARCH_PICK_MMAP_LAYOUT ^1da177e4 Linus Torvalds 2005-04-16 1568 { ^1da177e4 Linus Torvalds 2005-04-16 1569 .procname = "legacy_va_layout", ^1da177e4 Linus Torvalds 2005-04-16 1570 .data = &sysctl_legacy_va_layout, ^1da177e4 Linus Torvalds 2005-04-16 1571 .maxlen = sizeof(sysctl_legacy_va_layout), ^1da177e4 Linus Torvalds 2005-04-16 1572 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1573 .proc_handler = proc_dointvec, 115fe47f8 Matteo Croce 2019-05-26 1574 .extra1 = SYSCTL_ZERO, ^1da177e4 Linus Torvalds 2005-04-16 1575 }, ^1da177e4 Linus Torvalds 2005-04-16 1576 #endif 1743660b9 Christoph Lameter 2006-01-18 1577 #ifdef CONFIG_NUMA 1743660b9 Christoph Lameter 2006-01-18 1578 { 1743660b9 Christoph Lameter 2006-01-18 1579 .procname = "zone_reclaim_mode", a5f5f91da Mel Gorman 2016-07-28 1580 .data = &node_reclaim_mode, a5f5f91da Mel Gorman 2016-07-28 1581 .maxlen = sizeof(node_reclaim_mode), 1743660b9 Christoph Lameter 2006-01-18 1582 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1583 .proc_handler = proc_dointvec, 115fe47f8 Matteo Croce 2019-05-26 1584 .extra1 = SYSCTL_ZERO, 1743660b9 Christoph Lameter 2006-01-18 1585 }, 9614634fe Christoph Lameter 2006-07-03 1586 { 9614634fe Christoph Lameter 2006-07-03 1587 .procname = "min_unmapped_ratio", 9614634fe Christoph Lameter 2006-07-03 1588 .data = &sysctl_min_unmapped_ratio, 9614634fe Christoph Lameter 2006-07-03 1589 .maxlen = sizeof(sysctl_min_unmapped_ratio), 9614634fe Christoph Lameter 2006-07-03 1590 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1591 .proc_handler = sysctl_min_unmapped_ratio_sysctl_handler, 115fe47f8 Matteo Croce 2019-05-26 1592 .extra1 = SYSCTL_ZERO, 9614634fe Christoph Lameter 2006-07-03 1593 .extra2 = &one_hundred, 9614634fe Christoph Lameter 2006-07-03 1594 }, 0ff38490c Christoph Lameter 2006-09-25 1595 { 0ff38490c Christoph Lameter 2006-09-25 1596 .procname = "min_slab_ratio", 0ff38490c Christoph Lameter 2006-09-25 1597 .data = &sysctl_min_slab_ratio, 0ff38490c Christoph Lameter 2006-09-25 1598 .maxlen = sizeof(sysctl_min_slab_ratio), 0ff38490c Christoph Lameter 2006-09-25 1599 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1600 .proc_handler = sysctl_min_slab_ratio_sysctl_handler, 115fe47f8 Matteo Croce 2019-05-26 1601 .extra1 = SYSCTL_ZERO, 0ff38490c Christoph Lameter 2006-09-25 1602 .extra2 = &one_hundred, 0ff38490c Christoph Lameter 2006-09-25 1603 }, 1743660b9 Christoph Lameter 2006-01-18 1604 #endif 77461ab33 Christoph Lameter 2007-05-09 1605 #ifdef CONFIG_SMP 77461ab33 Christoph Lameter 2007-05-09 1606 { 77461ab33 Christoph Lameter 2007-05-09 1607 .procname = "stat_interval", 77461ab33 Christoph Lameter 2007-05-09 1608 .data = &sysctl_stat_interval, 77461ab33 Christoph Lameter 2007-05-09 1609 .maxlen = sizeof(sysctl_stat_interval), 77461ab33 Christoph Lameter 2007-05-09 1610 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1611 .proc_handler = proc_dointvec_jiffies, 77461ab33 Christoph Lameter 2007-05-09 1612 }, 52b6f46bc Hugh Dickins 2016-05-19 1613 { 52b6f46bc Hugh Dickins 2016-05-19 1614 .procname = "stat_refresh", 52b6f46bc Hugh Dickins 2016-05-19 1615 .data = NULL, 52b6f46bc Hugh Dickins 2016-05-19 1616 .maxlen = 0, 52b6f46bc Hugh Dickins 2016-05-19 1617 .mode = 0600, 52b6f46bc Hugh Dickins 2016-05-19 1618 .proc_handler = vmstat_refresh, 52b6f46bc Hugh Dickins 2016-05-19 1619 }, 77461ab33 Christoph Lameter 2007-05-09 1620 #endif 6e1415467 David Howells 2009-12-15 1621 #ifdef CONFIG_MMU ed0321895 Eric Paris 2007-06-28 1622 { ed0321895 Eric Paris 2007-06-28 1623 .procname = "mmap_min_addr", 788084aba Eric Paris 2009-07-31 1624 .data = &dac_mmap_min_addr, ed0321895 Eric Paris 2007-06-28 1625 .maxlen = sizeof(unsigned long), ed0321895 Eric Paris 2007-06-28 1626 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1627 .proc_handler = mmap_min_addr_handler, ed0321895 Eric Paris 2007-06-28 1628 }, 6e1415467 David Howells 2009-12-15 1629 #endif f0c0b2b80 KAMEZAWA Hiroyuki 2007-07-15 1630 #ifdef CONFIG_NUMA f0c0b2b80 KAMEZAWA Hiroyuki 2007-07-15 1631 { f0c0b2b80 KAMEZAWA Hiroyuki 2007-07-15 1632 .procname = "numa_zonelist_order", f0c0b2b80 KAMEZAWA Hiroyuki 2007-07-15 1633 .data = &numa_zonelist_order, f0c0b2b80 KAMEZAWA Hiroyuki 2007-07-15 1634 .maxlen = NUMA_ZONELIST_ORDER_LEN, f0c0b2b80 KAMEZAWA Hiroyuki 2007-07-15 1635 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1636 .proc_handler = numa_zonelist_order_handler, f0c0b2b80 KAMEZAWA Hiroyuki 2007-07-15 1637 }, f0c0b2b80 KAMEZAWA Hiroyuki 2007-07-15 1638 #endif 2b8232ce5 Al Viro 2007-10-13 1639 #if (defined(CONFIG_X86_32) && !defined(CONFIG_UML))|| \ 5c36e6578 Paul Mundt 2007-03-01 1640 (defined(CONFIG_SUPERH) && defined(CONFIG_VSYSCALL)) e6e5494cb Ingo Molnar 2006-06-27 1641 { e6e5494cb Ingo Molnar 2006-06-27 1642 .procname = "vdso_enabled", 3d7ee969b Andy Lutomirski 2014-05-05 1643 #ifdef CONFIG_X86_32 3d7ee969b Andy Lutomirski 2014-05-05 1644 .data = &vdso32_enabled, 3d7ee969b Andy Lutomirski 2014-05-05 1645 .maxlen = sizeof(vdso32_enabled), 3d7ee969b Andy Lutomirski 2014-05-05 1646 #else e6e5494cb Ingo Molnar 2006-06-27 1647 .data = &vdso_enabled, e6e5494cb Ingo Molnar 2006-06-27 1648 .maxlen = sizeof(vdso_enabled), 3d7ee969b Andy Lutomirski 2014-05-05 1649 #endif e6e5494cb Ingo Molnar 2006-06-27 1650 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1651 .proc_handler = proc_dointvec, 115fe47f8 Matteo Croce 2019-05-26 1652 .extra1 = SYSCTL_ZERO, e6e5494cb Ingo Molnar 2006-06-27 1653 }, e6e5494cb Ingo Molnar 2006-06-27 1654 #endif 195cf453d Bron Gondwana 2008-02-04 1655 #ifdef CONFIG_HIGHMEM 195cf453d Bron Gondwana 2008-02-04 1656 { 195cf453d Bron Gondwana 2008-02-04 1657 .procname = "highmem_is_dirtyable", 195cf453d Bron Gondwana 2008-02-04 1658 .data = &vm_highmem_is_dirtyable, 195cf453d Bron Gondwana 2008-02-04 1659 .maxlen = sizeof(vm_highmem_is_dirtyable), 195cf453d Bron Gondwana 2008-02-04 1660 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1661 .proc_handler = proc_dointvec_minmax, 115fe47f8 Matteo Croce 2019-05-26 1662 .extra1 = SYSCTL_ZERO, 115fe47f8 Matteo Croce 2019-05-26 1663 .extra2 = SYSCTL_ONE, 195cf453d Bron Gondwana 2008-02-04 1664 }, 195cf453d Bron Gondwana 2008-02-04 1665 #endif 6a46079cf Andi Kleen 2009-09-16 1666 #ifdef CONFIG_MEMORY_FAILURE 6a46079cf Andi Kleen 2009-09-16 1667 { 6a46079cf Andi Kleen 2009-09-16 1668 .procname = "memory_failure_early_kill", 6a46079cf Andi Kleen 2009-09-16 1669 .data = &sysctl_memory_failure_early_kill, 6a46079cf Andi Kleen 2009-09-16 1670 .maxlen = sizeof(sysctl_memory_failure_early_kill), 6a46079cf Andi Kleen 2009-09-16 1671 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1672 .proc_handler = proc_dointvec_minmax, 115fe47f8 Matteo Croce 2019-05-26 1673 .extra1 = SYSCTL_ZERO, 115fe47f8 Matteo Croce 2019-05-26 1674 .extra2 = SYSCTL_ONE, 6a46079cf Andi Kleen 2009-09-16 1675 }, 6a46079cf Andi Kleen 2009-09-16 1676 { 6a46079cf Andi Kleen 2009-09-16 1677 .procname = "memory_failure_recovery", 6a46079cf Andi Kleen 2009-09-16 1678 .data = &sysctl_memory_failure_recovery, 6a46079cf Andi Kleen 2009-09-16 1679 .maxlen = sizeof(sysctl_memory_failure_recovery), 6a46079cf Andi Kleen 2009-09-16 1680 .mode = 0644, 6d4561110 Eric W. Biederman 2009-11-16 1681 .proc_handler = proc_dointvec_minmax, 115fe47f8 Matteo Croce 2019-05-26 1682 .extra1 = SYSCTL_ZERO, 115fe47f8 Matteo Croce 2019-05-26 1683 .extra2 = SYSCTL_ONE, 6a46079cf Andi Kleen 2009-09-16 1684 }, 6a46079cf Andi Kleen 2009-09-16 1685 #endif c9b1d0981 Andrew Shewmaker 2013-04-29 1686 { c9b1d0981 Andrew Shewmaker 2013-04-29 1687 .procname = "user_reserve_kbytes", c9b1d0981 Andrew Shewmaker 2013-04-29 1688 .data = &sysctl_user_reserve_kbytes, c9b1d0981 Andrew Shewmaker 2013-04-29 1689 .maxlen = sizeof(sysctl_user_reserve_kbytes), c9b1d0981 Andrew Shewmaker 2013-04-29 1690 .mode = 0644, c9b1d0981 Andrew Shewmaker 2013-04-29 1691 .proc_handler = proc_doulongvec_minmax, c9b1d0981 Andrew Shewmaker 2013-04-29 1692 }, 4eeab4f55 Andrew Shewmaker 2013-04-29 1693 { 4eeab4f55 Andrew Shewmaker 2013-04-29 1694 .procname = "admin_reserve_kbytes", 4eeab4f55 Andrew Shewmaker 2013-04-29 1695 .data = &sysctl_admin_reserve_kbytes, 4eeab4f55 Andrew Shewmaker 2013-04-29 1696 .maxlen = sizeof(sysctl_admin_reserve_kbytes), 4eeab4f55 Andrew Shewmaker 2013-04-29 1697 .mode = 0644, 4eeab4f55 Andrew Shewmaker 2013-04-29 1698 .proc_handler = proc_doulongvec_minmax, 4eeab4f55 Andrew Shewmaker 2013-04-29 1699 }, d07e22597 Daniel Cashman 2016-01-14 1700 #ifdef CONFIG_HAVE_ARCH_MMAP_RND_BITS d07e22597 Daniel Cashman 2016-01-14 1701 { d07e22597 Daniel Cashman 2016-01-14 1702 .procname = "mmap_rnd_bits", d07e22597 Daniel Cashman 2016-01-14 1703 .data = &mmap_rnd_bits, d07e22597 Daniel Cashman 2016-01-14 1704 .maxlen = sizeof(mmap_rnd_bits), d07e22597 Daniel Cashman 2016-01-14 1705 .mode = 0600, d07e22597 Daniel Cashman 2016-01-14 1706 .proc_handler = proc_dointvec_minmax, d07e22597 Daniel Cashman 2016-01-14 1707 .extra1 = (void *)&mmap_rnd_bits_min, d07e22597 Daniel Cashman 2016-01-14 1708 .extra2 = (void *)&mmap_rnd_bits_max, d07e22597 Daniel Cashman 2016-01-14 1709 }, d07e22597 Daniel Cashman 2016-01-14 1710 #endif d07e22597 Daniel Cashman 2016-01-14 1711 #ifdef CONFIG_HAVE_ARCH_MMAP_RND_COMPAT_BITS d07e22597 Daniel Cashman 2016-01-14 1712 { d07e22597 Daniel Cashman 2016-01-14 1713 .procname = "mmap_rnd_compat_bits", d07e22597 Daniel Cashman 2016-01-14 1714 .data = &mmap_rnd_compat_bits, d07e22597 Daniel Cashman 2016-01-14 1715 .maxlen = sizeof(mmap_rnd_compat_bits), d07e22597 Daniel Cashman 2016-01-14 1716 .mode = 0600, d07e22597 Daniel Cashman 2016-01-14 1717 .proc_handler = proc_dointvec_minmax, d07e22597 Daniel Cashman 2016-01-14 1718 .extra1 = (void *)&mmap_rnd_compat_bits_min, d07e22597 Daniel Cashman 2016-01-14 1719 .extra2 = (void *)&mmap_rnd_compat_bits_max, d07e22597 Daniel Cashman 2016-01-14 1720 }, d07e22597 Daniel Cashman 2016-01-14 1721 #endif cefdca0a8 Peter Xu 2019-05-13 1722 #ifdef CONFIG_USERFAULTFD cefdca0a8 Peter Xu 2019-05-13 1723 { cefdca0a8 Peter Xu 2019-05-13 1724 .procname = "unprivileged_userfaultfd", cefdca0a8 Peter Xu 2019-05-13 1725 .data = &sysctl_unprivileged_userfaultfd, cefdca0a8 Peter Xu 2019-05-13 1726 .maxlen = sizeof(sysctl_unprivileged_userfaultfd), cefdca0a8 Peter Xu 2019-05-13 1727 .mode = 0644, cefdca0a8 Peter Xu 2019-05-13 1728 .proc_handler = proc_dointvec_minmax, cefdca0a8 Peter Xu 2019-05-13 @1729 .extra1 = &zero, cefdca0a8 Peter Xu 2019-05-13 @1730 .extra2 = &one, cefdca0a8 Peter Xu 2019-05-13 1731 }, cefdca0a8 Peter Xu 2019-05-13 1732 #endif 6fce56ec9 Eric W. Biederman 2009-04-03 1733 { } ^1da177e4 Linus Torvalds 2005-04-16 1734 }; ^1da177e4 Linus Torvalds 2005-04-16 1735 :::::: The code at line 1729 was first introduced by commit :::::: cefdca0a86be517bc390fc4541e3674b8e7803b0 userfaultfd/sysctl: add vm.unprivileged_userfaultfd :::::: TO: Peter Xu <peterx@xxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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