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dkim=pass header.d=hev-cc.20210112.gappssmtp.com header.s=20210112 header.b=0VTK9We7; spf=pass (imf15.hostedemail.com: domain of r@hev.cc designates 209.85.166.173 as permitted sender) smtp.mailfrom=r@hev.cc; dmarc=none X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: qtzkze8damit1iqjf1ix5drxwojzskpi X-HE-Tag: 1669376152-137108 X-Bogosity: Ham, tests=bogofilter, spamicity=0.002129, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Nov 25, 2022 at 7:17 PM David Hildenbrand wrote: > > On 25.11.22 12:15, hev wrote: > > Hi, David, > > > >> > >> Just to ask again, > >> > >> is code like > >> maybe_mkwrite(pte_mkdirty(entry), vma); > >> > >> Like we have in copy_present_page(), wp_page_reuse(), wp_page_copy() ... > >> broken on LoongArch of the VMA lacks VM_WRITE? > > > > Sorry for the late reply. In this test case, The VMA doesn't lack VM_WRITE. > > > > Let me ask again: is this a problem in all of the functions I mentioned > above were we *could* lack VM_WRITE? > > Because that needs fixing independently of this issue here. Oops. sorry I don't know. Peter?