[intel-tdx:guest-unaccepted-memory 6/17] mm/page_alloc.c:1015:47: error: 'NR_UNACCEPTED' undeclared

From: kernel test robot
Date: Tue Jun 14 2022 - 00:25:20 EST


tree: https://github.com/intel/tdx.git guest-unaccepted-memory
head: 7a902d05477ac272558ba731d903c6b0c9d72903
commit: e4fbeb9c5cb4aa02fcd17388eef920f389fc83ea [6/17] mm: Report unaccepted memory in meminfo
config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20220614/202206141254.6aAvKFzZ-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
# https://github.com/intel/tdx/commit/e4fbeb9c5cb4aa02fcd17388eef920f389fc83ea
git remote add intel-tdx https://github.com/intel/tdx.git
git fetch --no-tags intel-tdx guest-unaccepted-memory
git checkout e4fbeb9c5cb4aa02fcd17388eef920f389fc83ea
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=um SUBARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

mm/page_alloc.c: In function 'accept_page':
>> mm/page_alloc.c:1015:47: error: 'NR_UNACCEPTED' undeclared (first use in this function)
1015 | mod_node_page_state(page_pgdat(page), NR_UNACCEPTED, -(1 << order));
| ^~~~~~~~~~~~~
mm/page_alloc.c:1015:47: note: each undeclared identifier is reported only once for each function it appears in
mm/page_alloc.c: In function '__free_one_page':
mm/page_alloc.c:1152:57: error: 'NR_UNACCEPTED' undeclared (first use in this function)
1152 | __mod_node_page_state(page_pgdat(page), NR_UNACCEPTED,
| ^~~~~~~~~~~~~


vim +/NR_UNACCEPTED +1015 mm/page_alloc.c

1001
1002 /*
1003 * Page acceptance can be very slow. Do not call under critical locks.
1004 */
1005 static void accept_page(struct page *page, unsigned int order)
1006 {
1007 phys_addr_t start = page_to_phys(page);
1008 int i;
1009
1010 if (!PageUnaccepted(page))
1011 return;
1012
1013 accept_memory(start, start + (PAGE_SIZE << order));
1014 __ClearPageUnaccepted(page);
> 1015 mod_node_page_state(page_pgdat(page), NR_UNACCEPTED, -(1 << order));
1016
1017 /* Assert that there is no PageUnaccepted() on tail pages */
1018 if (IS_ENABLED(CONFIG_DEBUG_VM)) {
1019 for (i = 1; i < (1 << order); i++)
1020 VM_BUG_ON_PAGE(PageUnaccepted(page + i), page + i);
1021 }
1022 }
1023

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