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From: Muchun Song In-Reply-To: <20230906093157.9737-1-yuancan@huawei.com> Date: Thu, 7 Sep 2023 14:37:25 +0800 Cc: Mike Kravetz , Andrew Morton , linux-mm@kvack.org, wangkefeng.wang@huawei.com Content-Transfer-Encoding: 7bit Message-Id: <249C32BD-0CFA-4709-9953-DC4449B92519@linux.dev> References: <20230906093157.9737-1-yuancan@huawei.com> To: Yuan Can X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: B9672140011 X-Stat-Signature: iuhwpcta9yifm6mttm1rfhyr15jhgzdp X-Rspam-User: X-HE-Tag: 1694068700-235210 X-HE-Meta: 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 EauN3vUV Mig/InDVZzG6Lt08ojjSpvx04TLJ7QTnG5LFk4SPXneLLAbi5gj5ydmcp3opEFeXdk0oo/sFojw5EaeQWRnXnbPyjJ2UKnqSS6iVmzP4B+RAVjMUnArcnvP1f6x5kbbp+Vkyi27aQaRuCetCflp8sn6JV2vAkACR0Xj2Wq6vbKTWFz9M2dIz2EpBm3SlQDY17mj4zrHD+eG/Jj47WbGYrSBiRnXvgSJQPFqjgAtUT5c8ntPb3rwcsYP44VFyEMGPLDqe2pEwZaBYUkCbcawWHKCDMbgoWnLPydSbl X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > On Sep 6, 2023, at 17:31, Yuan Can wrote: > > In vmemmap_remap_free(), a new head vmemmap page is allocated to avoid > breaking a contiguous block of struct page memory, however, the allocation > can always fail when the given node is movable node. Remove the > __GFP_THISNODE to help avoid fragmentation. BTW: it is not a fatal error, so there is no need to backport. > > Suggested-by: Mike Kravetz > Suggested-by: Muchun Song > Signed-off-by: Yuan Can Reviewed-by: Muchun Song Thanks.