From: Shivank Garg <shivankg@amd.com>
To: <akpm@linux-foundation.org>, <david@kernel.org>
Cc: <kinseyho@google.com>, <weixugc@google.com>, <ljs@kernel.org>,
<Liam.Howlett@oracle.com>, <vbabka@kernel.org>,
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<nathan.lynch@amd.com>, <Frank.li@nxp.com>, <djbw@kernel.org>,
<linux-kernel@vger.kernel.org>, <linux-mm@kvack.org>,
Shivank Garg <shivankg@amd.com>
Subject: [PATCH 7/7] mm/migrate: adjust NR_MAX_BATCHED_MIGRATION for testing
Date: Tue, 28 Apr 2026 15:50:51 +0000 [thread overview]
Message-ID: <20260428155043.39251-16-shivankg@amd.com> (raw)
In-Reply-To: <20260428155043.39251-2-shivankg@amd.com>
From: Zi Yan <ziy@nvidia.com>
Change NR_MAX_BATCHED_MIGRATION to HPAGE_PUD_NR to allow batching THP
copies.
These are for testing purpose only.
Signed-off-by: Zi Yan <ziy@nvidia.com>
Signed-off-by: Shivank Garg <shivankg@amd.com>
---
mm/migrate.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/migrate.c b/mm/migrate.c
index 9af070f9a1f2..a16c009d31d0 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1658,7 +1658,7 @@ static inline int try_split_folio(struct folio *folio, struct list_head *split_f
}
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
-#define NR_MAX_BATCHED_MIGRATION HPAGE_PMD_NR
+#define NR_MAX_BATCHED_MIGRATION HPAGE_PUD_NR
#else
#define NR_MAX_BATCHED_MIGRATION 512
#endif
--
2.43.0
next prev parent reply other threads:[~2026-04-28 15:55 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-28 15:50 [PATCH 0/7] Accelerate page migration with batch copying and hardware offload Shivank Garg
2026-04-28 15:50 ` [PATCH 1/7] mm/migrate: rename PAGE_ migration flags to FOLIO_ Shivank Garg
2026-04-30 9:07 ` Huang, Ying
2026-04-28 15:50 ` [PATCH 2/7] mm/migrate: use migrate_info field instead of private Shivank Garg
2026-05-07 9:43 ` Huang, Ying
2026-05-11 15:22 ` David Hildenbrand (Arm)
2026-04-28 15:50 ` [PATCH 3/7] mm/migrate: skip data copy for already-copied folios Shivank Garg
2026-05-11 15:35 ` David Hildenbrand (Arm)
2026-04-28 15:50 ` [PATCH 4/7] mm/migrate: add batch-copy path in migrate_pages_batch Shivank Garg
2026-05-11 15:40 ` David Hildenbrand (Arm)
2026-04-28 15:50 ` [PATCH 5/7] mm/migrate: add copy offload registration infrastructure Shivank Garg
2026-05-11 15:46 ` David Hildenbrand (Arm)
2026-05-11 15:50 ` David Hildenbrand (Arm)
2026-04-28 15:50 ` [PATCH 6/7] drivers/migrate_offload: add DMA batch copy driver (dcbm) Shivank Garg
2026-04-28 15:50 ` Shivank Garg [this message]
2026-04-28 17:11 ` [PATCH 0/7] Accelerate page migration with batch copying and hardware offload Garg, Shivank
2026-04-28 19:33 ` David Hildenbrand (Arm)
2026-04-29 5:51 ` Garg, Shivank
2026-04-30 8:47 ` Huang, Ying
2026-05-08 11:04 ` Garg, Shivank
2026-05-08 11:28 ` Huang, Ying
2026-05-08 12:34 ` Garg, Shivank
2026-05-09 7:49 ` Huang, Ying
2026-05-10 15:03 ` Garg, Shivank
2026-05-12 2:15 ` Huang, Ying
2026-05-07 9:58 ` Huang, Ying
2026-05-11 15:19 ` David Hildenbrand (Arm)
2026-05-12 1:45 ` Huang, Ying
2026-05-11 15:53 ` David Hildenbrand (Arm)
2026-05-12 2:35 ` Huang, Ying
2026-05-12 6:34 ` David Hildenbrand (Arm)
2026-05-14 6:42 ` Huang, Ying
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