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SubjectRe: [Patch v2 5/6] x86/mm: Use address directly in split_mem_range()
On Sat, Dec 07, 2019 at 11:36:10AM +0800, kbuild test robot wrote:
>Hi Wei,
>Thank you for the patch! Yet something to improve:
>[auto build test ERROR on tip/x86/mm]
>[also build test ERROR on tip/auto-latest linus/master v5.4 next-20191206]
>[if your patch is applied to the wrong git tree, please drop us a note to help
>improve the system. BTW, we also suggest to use '--base' option to specify the
>base tree in git format-patch, please see]
>base: 7f264dab5b60343358e788d4c939c166c22ea4a2
>config: i386-tinyconfig (attached as .config)
>compiler: gcc-7 (Debian 7.5.0-1) 7.5.0
> # save the attached .config to linux build tree
> make ARCH=i386
>If you fix the issue, kindly add following tag
>Reported-by: kbuild test robot <>
>Note: the linux-review/Wei-Yang/x86-mm-Remove-second-argument-of-split_mem_range/20191207-061345 HEAD 7f535395f79354bfa29cca182dd203525bcb4237 builds fine.
> It only hurts bisectibility.
>All errors (new ones prefixed by >>):
> arch/x86/mm/init.c: In function 'save_mr':
>>> arch/x86/mm/init.c:265:6: error: 'start_pfn' undeclared (first use in this function); did you mean 'start'?
> if (start_pfn < end_pfn) {
> ^~~~~~~~~
> start
> arch/x86/mm/init.c:265:6: note: each undeclared identifier is reported only once for each function it appears in
>>> arch/x86/mm/init.c:265:18: error: 'end_pfn' undeclared (first use in this function); did you mean 'pgd_pfn'?
> if (start_pfn < end_pfn) {
> ^~~~~~~
> pgd_pfn

Oops, introduced an error after resolving a conflict. Should be start and end.

Will correct it in next version.

Wei Yang
Help you, Help me

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