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[73.69.118.222]) by smtp.gmail.com with ESMTPSA id m8sm4127434qkn.41.2020.12.17.10.52.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Dec 2020 10:52:47 -0800 (PST) From: Pavel Tatashin To: pasha.tatashin@soleen.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, vbabka@suse.cz, mhocko@suse.com, david@redhat.com, osalvador@suse.de, dan.j.williams@intel.com, sashal@kernel.org, tyhicks@linux.microsoft.com, iamjoonsoo.kim@lge.com, mike.kravetz@oracle.com, rostedt@goodmis.org, mingo@redhat.com, jgg@ziepe.ca, peterz@infradead.org, mgorman@suse.de, willy@infradead.org, rientjes@google.com, jhubbard@nvidia.com, linux-doc@vger.kernel.org, ira.weiny@intel.com, linux-kselftest@vger.kernel.org Subject: [PATCH v4 01/10] mm/gup: don't pin migrated cma pages in movable zone Date: Thu, 17 Dec 2020 13:52:34 -0500 Message-Id: <20201217185243.3288048-2-pasha.tatashin@soleen.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201217185243.3288048-1-pasha.tatashin@soleen.com> References: <20201217185243.3288048-1-pasha.tatashin@soleen.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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: In order not to fragment CMA the pinned pages are migrated. However, they are migrated to ZONE_MOVABLE, which also should not have pinned page= s. Remove __GFP_MOVABLE, so pages can be migrated to zones where pinning is allowed. Signed-off-by: Pavel Tatashin Reviewed-by: David Hildenbrand Reviewed-by: John Hubbard Acked-by: Michal Hocko --- mm/gup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/gup.c b/mm/gup.c index 4f3cf14ac958..f2e50cdd7d67 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -1565,7 +1565,7 @@ static long check_and_migrate_cma_pages(struct mm_s= truct *mm, long ret =3D nr_pages; struct migration_target_control mtc =3D { .nid =3D NUMA_NO_NODE, - .gfp_mask =3D GFP_USER | __GFP_MOVABLE | __GFP_NOWARN, + .gfp_mask =3D GFP_USER | __GFP_NOWARN, }; =20 check_again: --=20 2.25.1