tree: git://git.cmpxchg.org/linux-mmotm.git master
head: 5b220005fda0593464fc4549eea586e597bf783c
commit: 89cc4c46458ccdfab15b2fe94a5645766d5091aa [265/276] mm/hmm/devmem: device memory hotplug using ZONE_DEVICE
config: arm64-allmodconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 89cc4c46458ccdfab15b2fe94a5645766d5091aa
# save the attached .config to linux build tree
make.cross ARCH=arm64
All warnings (new ones prefixed by >>):
>> mm/hmm.c:33:0: warning: "SECTION_SIZE" redefined
#define SECTION_SIZE (1UL << PA_SECTION_SHIFT)
In file included from arch/arm64/include/asm/processor.h:36:0,
from arch/arm64/include/asm/spinlock.h:21,
from include/linux/spinlock.h:87,
from include/linux/mmzone.h:7,
from include/linux/gfp.h:5,
from include/linux/mm.h:9,
from mm/hmm.c:20:
arch/arm64/include/asm/pgtable-hwdef.h:87:0: note: this is the location of the previous definition
#define SECTION_SIZE (_AC(1, UL) << SECTION_SHIFT)
mm/hmm.c: In function 'hmm_devmem_release':
mm/hmm.c:815:2: error: implicit declaration of function 'arch_remove_memory' [-Werror=implicit-function-declaration]
arch_remove_memory(align_start, align_size, devmem->pagemap.type);
^~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/SECTION_SIZE +33 mm/hmm.c
17 * Refer to include/linux/hmm.h for information about heterogeneous memory
18 * management or HMM for short.
19 */
20 #include <linux/mm.h>
21 #include <linux/hmm.h>
22 #include <linux/rmap.h>
23 #include <linux/swap.h>
24 #include <linux/slab.h>
25 #include <linux/sched.h>
26 #include <linux/mmzone.h>
27 #include <linux/pagemap.h>
28 #include <linux/swapops.h>
29 #include <linux/hugetlb.h>
30 #include <linux/memremap.h>
31 #include <linux/mmu_notifier.h>
32
> 33 #define SECTION_SIZE (1UL << PA_SECTION_SHIFT)
34
35 static const struct mmu_notifier_ops hmm_mmu_notifier_ops;
36
37
38 /*
39 * struct hmm - HMM per mm struct
40 *
41 * @mm: mm struct this HMM struct is bound to
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
Attachment:
.config.gz
Description: application/gzip
