On Sat, Aug 12, 2023 at 07:40:10PM +0800, kernel test robot wrote: > >> mm/memory.c:5410:34: error: call to undeclared function 'vma_is_tcp'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] > 5410 | if (unlikely(!vma->anon_vma && !vma_is_tcp(vma))) > | ^ This is a mismerge. This patch will fix. diff --git a/mm/memory.c b/mm/memory.c index f06266464208..004b2e5dfef3 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -5456,7 +5456,7 @@ struct vm_area_struct *lock_vma_under_rcu(struct mm_struct *mm, * concurrent mremap() with MREMAP_DONTUNMAP could dissociate the VMA * from its anon_vma. */ - if (unlikely(!vma->anon_vma && !vma_is_tcp(vma))) + if (vma_is_anonymous(vma) && !vma->anon_vma) goto inval_end_read; /*
