On Wed, 2019-07-24 at 22:07 +0800, YueHaibing wrote: > 'new_start' is used in is_hugepage_only_range(), > which do nothing in some arch. gcc will warning: > > mm/mmap.c: In function acct_stack_growth: > mm/mmap.c:2311:16: warning: variable new_start set but not used [-Wunused-but- > set-variable]
Nope. Convert them to inline instead. > > Reported-by: Hulk Robot <[email protected]> > Signed-off-by: YueHaibing <[email protected]> > --- > mm/mmap.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/mmap.c b/mm/mmap.c > index e2dbed3..56c2a92 100644 > --- a/mm/mmap.c > +++ b/mm/mmap.c > @@ -2308,7 +2308,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, > unsigned long size, unsigned long grow) > { > struct mm_struct *mm = vma->vm_mm; > - unsigned long new_start; > + unsigned long __maybe_unused new_start; > > /* address space limit tests */ > if (!may_expand_vm(mm, vma->vm_flags, grow))
