linux-kernel - mm/hugetlb.c:5580:3: error: implicit declaration of function 'for_each_mem_pfn_range'; did you mean 'for_each_mem

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Message-ID: <CA+G9fYtfG4nZs0ON=bBNarPaycNOgGNvhXxcdrGzM1epDDBt7A@mail.gmail.com>
Date:   Mon, 6 Apr 2020 19:48:54 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        open list <linux-kernel@...r.kernel.org>
Cc:     Roman Gushchin <guro@...com>, andreas.schaufler@....de,
        "Kirill A. Shutemov" <kirill@...temov.name>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Michal Hocko <mhocko@...nel.org>,
        Rik van Riel <riel@...riel.com>, js1304@...il.com,
        lkft-triage@...ts.linaro.org
Subject: mm/hugetlb.c:5580:3: error: implicit declaration of function
 'for_each_mem_pfn_range'; did you mean 'for_each_mem_range'

While building Linux-next master for arm beagle board x15 the following
build error was noticed.

mm/hugetlb.c: In function 'hugetlb_cma_reserve':
mm/hugetlb.c:5580:3: error: implicit declaration of function
'for_each_mem_pfn_range'; did you mean 'for_each_mem_range'?
[-Werror=implicit-function-declaration]
   for_each_mem_pfn_range(i, nid, &start_pfn, &end_pfn, NULL) {
   ^~~~~~~~~~~~~~~~~~~~~~
   for_each_mem_range
mm/hugetlb.c:5580:62: error: expected ';' before '{' token
   for_each_mem_pfn_range(i, nid, &start_pfn, &end_pfn, NULL) {
                                                              ^
Few more details about build test,

CONFIG_HUGETLBFS=y
CONFIG_HUGETLB_PAGE=y
CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y
CONFIG_ARCH_WANT_HUGE_PMD_SHARE=y

# CONFIG_TRANSPARENT_HUGEPAGE is not set
# CONFIG_CMA is not set

Kernel config link,
http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/intel-core2-32/lkft/linux-mainline/2591/config

Build log,
https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-next/DISTRO=lkft,MACHINE=am57xx-evm,label=docker-lkft/743/consoleText

--
Linaro LKFT
https://lkft.linaro.org