From: Shivank Garg <shivankg@amd.com>
To: <akpm@linux-foundation.org>, <david@redhat.com>
Cc: <ziy@nvidia.com>, <willy@infradead.org>,
<matthew.brost@intel.com>, <joshua.hahnjy@gmail.com>,
<rakie.kim@sk.com>, <byungchul@sk.com>, <gourry@gourry.net>,
<ying.huang@linux.alibaba.com>, <apopple@nvidia.com>,
<lorenzo.stoakes@oracle.com>, <Liam.Howlett@oracle.com>,
<vbabka@suse.cz>, <rppt@kernel.org>, <surenb@google.com>,
<mhocko@suse.com>, <vkoul@kernel.org>, <lucas.demarchi@intel.com>,
<rdunlap@infradead.org>, <jgg@ziepe.ca>, <kuba@kernel.org>,
<justonli@chromium.org>, <ivecera@redhat.com>,
<dave.jiang@intel.com>, <Jonathan.Cameron@huawei.com>,
<dan.j.williams@intel.com>, <rientjes@google.com>,
<Raghavendra.KodsaraThimmappa@amd.com>, <bharata@amd.com>,
<shivankg@amd.com>, <alirad.malek@zptcorp.com>,
<yiannis@zptcorp.com>, <weixugc@google.com>,
<linux-kernel@vger.kernel.org>, <linux-mm@kvack.org>
Subject: [RFC V3 8/9] adjust NR_MAX_BATCHED_MIGRATION for testing
Date: Tue, 23 Sep 2025 17:47:43 +0000 [thread overview]
Message-ID: <20250923174752.35701-9-shivankg@amd.com> (raw)
In-Reply-To: <20250923174752.35701-1-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 41bea48d823c..7f50813d87e4 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1668,7 +1668,7 @@ 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:[~2025-09-23 17:49 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-23 17:47 [RFC V3 0/9] Accelerate page migration with batch copying and hardware offload Shivank Garg
2025-09-23 17:47 ` [RFC V3 1/9] mm/migrate: factor out code in move_to_new_folio() and migrate_folio_move() Shivank Garg
2025-10-02 10:30 ` Jonathan Cameron
2025-09-23 17:47 ` [RFC V3 2/9] mm/migrate: revive MIGRATE_NO_COPY in migrate_mode Shivank Garg
2025-09-23 17:47 ` [RFC V3 3/9] mm: Introduce folios_mc_copy() for batch copying folios Shivank Garg
2025-09-23 17:47 ` [RFC V3 4/9] mm/migrate: add migrate_folios_batch_move to batch the folio move operations Shivank Garg
2025-10-02 11:03 ` Jonathan Cameron
2025-10-16 9:17 ` Garg, Shivank
2025-09-23 17:47 ` [RFC V3 5/9] mm: add support for copy offload for folio Migration Shivank Garg
2025-10-02 11:10 ` Jonathan Cameron
2025-10-16 9:40 ` Garg, Shivank
2025-09-23 17:47 ` [RFC V3 6/9] mtcopy: introduce multi-threaded page copy routine Shivank Garg
2025-10-02 11:29 ` Jonathan Cameron
2025-10-20 8:28 ` Byungchul Park
2025-11-06 6:27 ` Garg, Shivank
2025-11-12 2:12 ` Byungchul Park
2025-09-23 17:47 ` [RFC V3 7/9] dcbm: add dma core batch migrator for batch page offloading Shivank Garg
2025-10-02 11:38 ` Jonathan Cameron
2025-10-16 9:59 ` Garg, Shivank
2025-09-23 17:47 ` Shivank Garg [this message]
2025-09-23 17:47 ` [RFC V3 9/9] mtcopy: spread threads across die for testing Shivank Garg
2025-09-24 1:49 ` [RFC V3 0/9] Accelerate page migration with batch copying and hardware offload Huang, Ying
2025-09-24 2:03 ` Zi Yan
2025-09-24 3:11 ` Huang, Ying
2025-09-24 3:22 ` Zi Yan
2025-10-02 17:10 ` Garg, Shivank
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20250923174752.35701-9-shivankg@amd.com \
--to=shivankg@amd.com \
--cc=Jonathan.Cameron@huawei.com \
--cc=Liam.Howlett@oracle.com \
--cc=Raghavendra.KodsaraThimmappa@amd.com \
--cc=akpm@linux-foundation.org \
--cc=alirad.malek@zptcorp.com \
--cc=apopple@nvidia.com \
--cc=bharata@amd.com \
--cc=byungchul@sk.com \
--cc=dan.j.williams@intel.com \
--cc=dave.jiang@intel.com \
--cc=david@redhat.com \
--cc=gourry@gourry.net \
--cc=ivecera@redhat.com \
--cc=jgg@ziepe.ca \
--cc=joshua.hahnjy@gmail.com \
--cc=justonli@chromium.org \
--cc=kuba@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=lorenzo.stoakes@oracle.com \
--cc=lucas.demarchi@intel.com \
--cc=matthew.brost@intel.com \
--cc=mhocko@suse.com \
--cc=rakie.kim@sk.com \
--cc=rdunlap@infradead.org \
--cc=rientjes@google.com \
--cc=rppt@kernel.org \
--cc=surenb@google.com \
--cc=vbabka@suse.cz \
--cc=vkoul@kernel.org \
--cc=weixugc@google.com \
--cc=willy@infradead.org \
--cc=yiannis@zptcorp.com \
--cc=ying.huang@linux.alibaba.com \
--cc=ziy@nvidia.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox