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Date:   Fri, 10 Aug 2018 11:26:14 -0700
From:   Yang Shi <>
To:     Matthew Wilcox <>
Subject: Re: [RFC v7 PATCH 2/4] mm: mmap: zap pages with read mmap_sem in

On 8/10/18 10:57 AM, Matthew Wilcox wrote:
> On Fri, Aug 10, 2018 at 07:36:01AM +0800, Yang Shi wrote:
>> +/*
>> + * Zap pages with read mmap_sem held
>> + *
>> + * uf is the list for userfaultfd
>> + */
>> +static int do_munmap_zap_rlock(struct mm_struct *mm, unsigned long start,
>> +			       size_t len, struct list_head *uf)
> I don't like the name here.  We aren't zapping rlocks, we're zapping
> pages.  Not sure what to call it though ...

It may look ambiguous, it means "zap with rlock", but I don't think 
anyone would expect we are zapping locks.


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