From: Shivank Garg <shivankg@amd.com>
To: <akpm@linux-foundation.org>, <linux-mm@kvack.org>, <ziy@nvidia.com>
Cc: <AneeshKumar.KizhakeVeetil@arm.com>,
<baolin.wang@linux.alibaba.com>, <bharata@amd.com>,
<david@redhat.com>, <gregory.price@memverge.com>,
<honggyu.kim@sk.com>, <jane.chu@oracle.com>,
<jhubbard@nvidia.com>, <jon.grimm@amd.com>,
<k.shutemov@gmail.com>, <leesuyeon0506@gmail.com>,
<leillc@google.com>, <liam.howlett@oracle.com>,
<linux-kernel@vger.kernel.org>, <mel.gorman@gmail.com>,
<Michael.Day@amd.com>, <Raghavendra.KodsaraThimmappa@amd.com>,
<riel@surriel.com>, <rientjes@google.com>,
<santosh.shukla@amd.com>, <shivankg@amd.com>,
<shy828301@gmail.com>, <sj@kernel.org>,
<wangkefeng.wang@huawei.com>, <weixugc@google.com>,
<willy@infradead.org>, <ying.huang@linux.alibaba.com>,
<anannara@amd.com>, <wei.huang2@amd.com>,
<Jonathan.Cameron@huawei.com>, <hyeonggon.yoo@sk.com>,
<byungchul@sk.com>
Subject: [PATCH RFC V2 8/9] adjust NR_MAX_BATCHED_MIGRATION for testing
Date: Wed, 19 Mar 2025 19:22:11 +0000 [thread overview]
Message-ID: <20250319192211.10092-9-shivankg@amd.com> (raw)
In-Reply-To: <20250319192211.10092-1-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 e74dbc7a4758..f9eea16a975d 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1653,7 +1653,7 @@ 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
--
2.34.1
next prev parent reply other threads:[~2025-03-19 19:24 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-19 19:22 [PATCH RFC V2 0/9] Enhancements to Page Migration with Multi-threading and Batch Offloading to DMA Shivank Garg
2025-03-19 19:22 ` [PATCH RFC V2 1/9] mm/migrate: factor out code in move_to_new_folio() and migrate_folio_move() Shivank Garg
2025-03-19 19:22 ` [PATCH RFC V2 2/9] mm/migrate: revive MIGRATE_NO_COPY in migrate_mode Shivank Garg
2025-03-19 19:22 ` [PATCH RFC V2 3/9] mm: batch folio copying during migration Shivank Garg
2025-03-19 19:22 ` [PATCH RFC V2 4/9] mm/migrate: add migrate_folios_batch_move to batch the folio move operations Shivank Garg
2025-03-19 19:22 ` [PATCH RFC V2 5/9] mm: add support for copy offload for folio Migration Shivank Garg
2025-03-19 19:22 ` [PATCH RFC V2 6/9] mm/migrate: introduce multi-threaded page copy routine Shivank Garg
2025-03-19 19:22 ` [PATCH RFC V2 7/9] dcbm: add dma core batch migrator for batch page offloading Shivank Garg
2025-03-19 19:22 ` Shivank Garg [this message]
2025-03-19 19:22 ` [PATCH RFC V2 9/9] mtcopy: spread threads across die for testing Shivank Garg
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