--- a/mm/vmalloc.c~mm-vmalloc-add-align-parameter-explanation-for-pvm_determine_end_from_reverse +++ a/mm/vmalloc.c @@ -3151,6 +3151,7 @@ pvm_find_va_enclose_addr(unsigned long a * @va: * in - the VA we start the search(reverse order); * out - the VA with the highest aligned end address. + * @align: alignment for required highest address * * Returns: determined end address within vmap_area */