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Message-ID: <202503282026.QNaOAK79-lkp@intel.com>
Date: Fri, 28 Mar 2025 21:15:06 +0800
From: kernel test robot <lkp@...el.com>
To: Yuquan Wang <wangyuquan1236@...tium.com.cn>,
Jonathan.Cameron@...wei.com, dan.j.williams@...el.com,
rppt@...nel.org, rafael@...nel.org, lenb@...nel.org,
akpm@...ux-foundation.org, alison.schofield@...el.com,
rrichter@....com, bfaccini@...dia.com, haibo1.xu@...el.com,
david@...hat.com
Cc: oe-kbuild-all@...ts.linux.dev, linux-acpi@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-mm@...ck.org,
chenbaozi@...tium.com.cn,
Yuquan Wang <wangyuquan1236@...tium.com.cn>
Subject: Re: [PATCH v2] mm: numa_memblks: introduce numa_add_reserved_memblk
Hi Yuquan,
kernel test robot noticed the following build errors:
[auto build test ERROR on akpm-mm/mm-everything]
url: https://github.com/intel-lab-lkp/linux/commits/Yuquan-Wang/mm-numa_memblks-introduce-numa_add_reserved_memblk/20250328-172428
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20250328092132.2695299-1-wangyuquan1236%40phytium.com.cn
patch subject: [PATCH v2] mm: numa_memblks: introduce numa_add_reserved_memblk
config: loongarch-randconfig-002-20250328 (https://download.01.org/0day-ci/archive/20250328/202503282026.QNaOAK79-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250328/202503282026.QNaOAK79-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/202503282026.QNaOAK79-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from include/linux/build_bug.h:5,
from include/linux/container_of.h:5,
from include/linux/list.h:5,
from include/linux/module.h:12,
from drivers/acpi/numa/srat.c:10:
drivers/acpi/numa/srat.c: In function 'acpi_parse_cfmws':
>> drivers/acpi/numa/srat.c:461:13: error: implicit declaration of function 'numa_add_reserved_memblk' [-Wimplicit-function-declaration]
461 | if (numa_add_reserved_memblk(node, start, end) < 0) {
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:57:52: note: in definition of macro '__trace_if_var'
57 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
| ^~~~
drivers/acpi/numa/srat.c:461:9: note: in expansion of macro 'if'
461 | if (numa_add_reserved_memblk(node, start, end) < 0) {
| ^~
vim +/numa_add_reserved_memblk +461 drivers/acpi/numa/srat.c
431
432 static int __init acpi_parse_cfmws(union acpi_subtable_headers *header,
433 void *arg, const unsigned long table_end)
434 {
435 struct acpi_cedt_cfmws *cfmws;
436 int *fake_pxm = arg;
437 u64 start, end;
438 int node;
439
440 cfmws = (struct acpi_cedt_cfmws *)header;
441 start = cfmws->base_hpa;
442 end = cfmws->base_hpa + cfmws->window_size;
443
444 /*
445 * The SRAT may have already described NUMA details for all,
446 * or a portion of, this CFMWS HPA range. Extend the memblks
447 * found for any portion of the window to cover the entire
448 * window.
449 */
450 if (!numa_fill_memblks(start, end))
451 return 0;
452
453 /* No SRAT description. Create a new node. */
454 node = acpi_map_pxm_to_node(*fake_pxm);
455
456 if (node == NUMA_NO_NODE) {
457 pr_err("ACPI NUMA: Too many proximity domains while processing CFMWS.\n");
458 return -EINVAL;
459 }
460
> 461 if (numa_add_reserved_memblk(node, start, end) < 0) {
462 /* CXL driver must handle the NUMA_NO_NODE case */
463 pr_warn("ACPI NUMA: Failed to add memblk for CFMWS node %d [mem %#llx-%#llx]\n",
464 node, start, end);
465 }
466 node_set(node, numa_nodes_parsed);
467
468 /* Set the next available fake_pxm value */
469 (*fake_pxm)++;
470 return 0;
471 }
472
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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