"Aneesh Kumar K.V" <aneesh.ku...@linux.ibm.com> a écrit :
kernel test robot <l...@intel.com> writes:
tree:
https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
next-test
head: 5fed3b3e21db21f9a7002426f456fd3a8a8c0772
commit: 21407f39b9d547da527ad5224c4323e1f62bb514 [103/106]
powerpc/mm/radix: Create separate mappings for hot-plugged memory
config: powerpc-randconfig-r016-20200719 (attached as .config)
compiler: clang version 12.0.0
(https://github.com/llvm/llvm-project
ed6b578040a85977026c93bf4188f996148f3218)
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install powerpc cross compiling tool for clang build
# apt-get install binutils-powerpc-linux-gnu
git checkout 21407f39b9d547da527ad5224c4323e1f62bb514
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross
ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
All errors (new ones prefixed by >>):
arch/powerpc/mm/book3s64/radix_pgtable.c:513:21: error: use of
undeclared identifier 'SECTION_SIZE_BITS'
*mem_block_size = MIN_MEMORY_BLOCK_SIZE;
^
include/linux/memory.h:24:43: note: expanded from macro
'MIN_MEMORY_BLOCK_SIZE'
#define MIN_MEMORY_BLOCK_SIZE (1UL << SECTION_SIZE_BITS)
^
arch/powerpc/mm/book3s64/radix_pgtable.c:521:33: error: use of
undeclared identifier 'SECTION_SIZE_BITS'
unsigned long mem_block_size = MIN_MEMORY_BLOCK_SIZE;
^
include/linux/memory.h:24:43: note: expanded from macro
'MIN_MEMORY_BLOCK_SIZE'
#define MIN_MEMORY_BLOCK_SIZE (1UL << SECTION_SIZE_BITS)
^
2 errors generated.
vim +/SECTION_SIZE_BITS +513 arch/powerpc/mm/book3s64/radix_pgtable.c
494
495 static int __init probe_memory_block_size(unsigned long
node, const char *uname, int
496 depth, void *data)
497 {
498 unsigned long *mem_block_size = (unsigned long *)data;
499 const __be64 *prop;
500 int len;
501
502 if (depth != 1)
503 return 0;
504
505 if (strcmp(uname, "ibm,dynamic-reconfiguration-memory"))
506 return 0;
507
508 prop = of_get_flat_dt_prop(node, "ibm,lmb-size", &len);
509 if (!prop || len < sizeof(__be64))
510 /*
511 * Nothing in the device tree
512 */
> 513 *mem_block_size = MIN_MEMORY_BLOCK_SIZE;
514 else
515 *mem_block_size = be64_to_cpup(prop);
516 return 1;
517 }
518
arch/powerpc/mm/book3s64/radix_pgtable.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c
b/arch/powerpc/mm/book3s64/radix_pgtable.c
index bba45fc0b7b2..c5bf2ef73c36 100644
--- a/arch/powerpc/mm/book3s64/radix_pgtable.c
+++ b/arch/powerpc/mm/book3s64/radix_pgtable.c
@@ -492,6 +492,7 @@ static int __init
radix_dt_scan_page_sizes(unsigned long node,
return 1;
}
+#ifdef CONFIG_MEMORY_HOTPLUG
static int __init probe_memory_block_size(unsigned long node, const
char *uname, int
depth, void *data)
{
@@ -532,6 +533,15 @@ static unsigned long radix_memory_block_size(void)
return mem_block_size;
}
+#else /* CONFIG_MEMORY_HOTPLUG */
+
+static unsigned long radix_memory_block_size(void)
+{
+ return 1UL * 1024 * 1024 * 1024;
Use SZ_1G instead ?
Christophe
+}
+
+#endif /* CONFIG_MEMORY_HOTPLUG */
+
void __init radix__early_init_devtree(void)
{
--
2.26.2
-aneesh