On 4/6/21 5:31 AM, Stephen Rothwell wrote:
> Hi all,
>
> Changes since 20210401:
>
on x86_64:
# CONFIG_SPARSEMEM_VMEMMAP is not set
gcc (SUSE Linux) 7.5.0
../arch/x86/mm/init_64.c: In function 'remove_pmd_table':
../arch/x86/mm/init_64.c:1127:8: error: implicit declaration of function 'vmemmap_pmd_is_unused'; did you mean 'vmemmap_pmd_populate'? [-Werror=implicit-function-declaration]
vmemmap_pmd_is_unused(addr, next)) {
^~~~~~~~~~~~~~~~~~~~~
vmemmap_pmd_populate
Looks like that compound "if" is too much for gcc 7.5.0 to handle:
} else if (IS_ENABLED(CONFIG_SPARSEMEM_VMEMMAP) &&
vmemmap_pmd_is_unused(addr, next)) {
free_hugepage_table(pmd_page(*pmd),
altmap);
spin_lock(&init_mm.page_table_lock);
pmd_clear(pmd);
spin_unlock(&init_mm.page_table_lock);
}
--
~Randy
Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
