tree: git://git.cmpxchg.org/linux-mmotm.git master
head: 6d5b029d523e959579667282e713106a29c193d2
commit: cfe730f86623d820289f9adb76fd5084d7767431 [204/302] mm/page_alloc.c: memory hotplug: free pages as higher order
config: x86_64-rhel-7.2-clear (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
git checkout cfe730f86623d820289f9adb76fd5084d7767431
# save the attached .config to linux build tree
make ARCH=x86_64
Note: the mmotm/master HEAD 6d5b029d523e959579667282e713106a29c193d2 builds fine.
It only hurts bisectibility.
All errors (new ones prefixed by >>):
mm/memory_hotplug.c: In function 'generic_online_page':
>> mm/memory_hotplug.c:637:17: error: lvalue required as left operand of assignment
totalram_pages += (1UL << order);
^~
vim +637 mm/memory_hotplug.c
633
634 static int generic_online_page(struct page *page, unsigned int order)
635 {
636 __free_pages_core(page, order);
> 637 totalram_pages += (1UL << order);
638 #ifdef CONFIG_HIGHMEM
639 if (PageHighMem(page))
640 totalhigh_pages += (1UL << order);
641 #endif
642 return 0;
643 }
644
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0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
Attachment:
.config.gz
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