linux-kernel - Re: [RFC PATCH 1/4] mm/hugetlb: Simplify hugetlb unmap

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Date:	Mon, 30 May 2016 14:56:59 +0800
From:	"Hillf Danton" <hillf.zj@...baba-inc.com>
To:	"'Aneesh Kumar K.V'" <aneesh.kumar@...ux.vnet.ibm.com>
Cc:	"linux-kernel" <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>
Subject: Re: [RFC PATCH 1/4] mm/hugetlb: Simplify hugetlb unmap

> @@ -3157,19 +3156,22 @@ void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma,
>  	tlb_start_vma(tlb, vma);
>  	mmu_notifier_invalidate_range_start(mm, mmun_start, mmun_end);
>  	address = start;
> -again:
>  	for (; address < end; address += sz) {

With the again label cut off, you can also make a change in the for line.

thanks
Hillf
>  		ptep = huge_pte_offset(mm, address);
>  		if (!ptep)
>  			continue;