Hi Steve,
FYI, kernel build failed on
tree: git://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git hugetlb/devel
head: d5ada8ef8b4415b39c6e89711cd8d41ea275ce82
commit: 7356b0ca2bae49b15a314cc746b39869760960ab [8/10] ARM: mm: Transparent huge page support for non-LPAE systems.
config: arm-at91_dt_defconfig # make ARCH=arm at91_dt_defconfig
All error/warnings:
In file included from arch/arm/include/asm/pgtable.h:33:0,
from include/linux/mm.h:44,
from arch/arm/kernel/asm-offsets.c:14:
arch/arm/include/asm/pgtable-2level.h: In function 'pmd_page':
arch/arm/include/asm/pgtable-2level.h:333:10: error: 'HPAGE_MASK' undeclared (first use in this function)
arch/arm/include/asm/pgtable-2level.h:333:10: note: each undeclared identifier is reported only once for each function it appears in
vim +333 arch/arm/include/asm/pgtable-2level.h
7356b0ca Steve Capper 2012-07-19 327 {
7356b0ca Steve Capper 2012-07-19 328 /*
7356b0ca Steve Capper 2012-07-19 329 * for a section, we need to mask off more of the pmd
7356b0ca Steve Capper 2012-07-19 330 * before looking up the page as it is a section descriptor.
7356b0ca Steve Capper 2012-07-19 331 */
7356b0ca Steve Capper 2012-07-19 332 if (_PMD_HUGE(pmd))
7356b0ca Steve Capper 2012-07-19 @333 return phys_to_page(pmd_val(pmd) & HPAGE_MASK);
7356b0ca Steve Capper 2012-07-19 334
7356b0ca Steve Capper 2012-07-19 335 return phys_to_page(pmd_val(pmd) & PHYS_MASK);
7356b0ca Steve Capper 2012-07-19 336 }
---
0-DAY kernel build testing backend Open Source Technology Center
Fengguang Wu, Yuanhan Liu Intel Corporation
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