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Received: from localhost(mailfrom:baolin.wang@linux.alibaba.com fp:SMTPD_---0W1N-REC_1709041955) by smtp.aliyun-inc.com; Tue, 27 Feb 2024 21:52:35 +0800 From: Baolin Wang To: akpm@linux-foundation.org Cc: muchun.song@linux.dev, osalvador@suse.de, david@redhat.com, linmiaohe@huawei.com, naoya.horiguchi@nec.com, mhocko@kernel.org, baolin.wang@linux.alibaba.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] mm: record the migration reason for struct migration_target_control Date: Tue, 27 Feb 2024 21:52:25 +0800 Message-Id: X-Mailer: git-send-email 2.39.3 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 00B8540022 X-Stat-Signature: eiep11d9tqtegyjpunk1ecyynze7eb4r X-Rspam-User: X-HE-Tag: 1709041959-242568 X-HE-Meta: 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 c7g== 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: List-Subscribe: List-Unsubscribe: To support different hugetlb allocation strategies during hugetlb migration based on various migration reasons, recording the migration reason for the migration_target_control structure as a preparation. Signed-off-by: Baolin Wang --- mm/gup.c | 1 + mm/internal.h | 1 + mm/memory-failure.c | 1 + mm/memory_hotplug.c | 1 + mm/mempolicy.c | 1 + mm/migrate.c | 1 + mm/page_alloc.c | 1 + mm/vmscan.c | 3 ++- 8 files changed, 9 insertions(+), 1 deletion(-) diff --git a/mm/gup.c b/mm/gup.c index df83182ec72d..959a1a05b059 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -2132,6 +2132,7 @@ static int migrate_longterm_unpinnable_pages( struct migration_target_control mtc = { .nid = NUMA_NO_NODE, .gfp_mask = GFP_USER | __GFP_NOWARN, + .reason = MR_LONGTERM_PIN, }; if (migrate_pages(movable_page_list, alloc_migration_target, diff --git a/mm/internal.h b/mm/internal.h index 2b7efffbe4d7..47edf69b6ee6 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -959,6 +959,7 @@ struct migration_target_control { int nid; /* preferred node id */ nodemask_t *nmask; gfp_t gfp_mask; + enum migrate_reason reason; }; /* diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 9349948f1abf..780bb2aee0af 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -2666,6 +2666,7 @@ static int soft_offline_in_use_page(struct page *page) struct migration_target_control mtc = { .nid = NUMA_NO_NODE, .gfp_mask = GFP_USER | __GFP_MOVABLE | __GFP_RETRY_MAYFAIL, + .reason = MR_MEMORY_FAILURE, }; if (!huge && folio_test_large(folio)) { diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index a444e2d7dd2b..b79ba36e09e0 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1841,6 +1841,7 @@ static void do_migrate_range(unsigned long start_pfn, unsigned long end_pfn) struct migration_target_control mtc = { .nmask = &nmask, .gfp_mask = GFP_USER | __GFP_MOVABLE | __GFP_RETRY_MAYFAIL, + .reason = MR_MEMORY_HOTPLUG, }; int ret; diff --git a/mm/mempolicy.c b/mm/mempolicy.c index f60b4c99f130..98ceb12e0e17 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1070,6 +1070,7 @@ static long migrate_to_node(struct mm_struct *mm, int source, int dest, struct migration_target_control mtc = { .nid = dest, .gfp_mask = GFP_HIGHUSER_MOVABLE | __GFP_THISNODE, + .reason = MR_SYSCALL, }; nodes_clear(nmask); diff --git a/mm/migrate.c b/mm/migrate.c index 73a052a382f1..bde63010a3cf 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -2060,6 +2060,7 @@ static int do_move_pages_to_node(struct list_head *pagelist, int node) struct migration_target_control mtc = { .nid = node, .gfp_mask = GFP_HIGHUSER_MOVABLE | __GFP_THISNODE, + .reason = MR_SYSCALL, }; err = migrate_pages(pagelist, alloc_migration_target, NULL, diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 96839b210abe..8e6dd3a1028b 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6266,6 +6266,7 @@ int __alloc_contig_migrate_range(struct compact_control *cc, struct migration_target_control mtc = { .nid = zone_to_nid(cc->zone), .gfp_mask = GFP_USER | __GFP_MOVABLE | __GFP_RETRY_MAYFAIL, + .reason = MR_CONTIG_RANGE, }; lru_cache_disable(); diff --git a/mm/vmscan.c b/mm/vmscan.c index 402c290fbf5a..510f438bb9e0 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -978,7 +978,8 @@ static unsigned int demote_folio_list(struct list_head *demote_folios, .gfp_mask = (GFP_HIGHUSER_MOVABLE & ~__GFP_RECLAIM) | __GFP_NOWARN | __GFP_NOMEMALLOC | GFP_NOWAIT, .nid = target_nid, - .nmask = &allowed_mask + .nmask = &allowed_mask, + .reason = MR_DEMOTION, }; if (list_empty(demote_folios)) -- 2.39.3