* + migrate_pages-move-migrate_folio_unmap.patch added to mm-unstable branch
@ 2023-02-13 18:21 Andrew Morton
0 siblings, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2023-02-13 18:21 UTC (permalink / raw)
To: mm-commits, ziy, xhao, willy, shy828301, osalvador, minchan,
mike.kravetz, bharata, baolin.wang, apopple, 42.hyeyoo,
ying.huang, akpm
The patch titled
Subject: migrate_pages: move migrate_folio_unmap()
has been added to the -mm mm-unstable branch. Its filename is
migrate_pages-move-migrate_folio_unmap.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/migrate_pages-move-migrate_folio_unmap.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Huang Ying <ying.huang@intel.com>
Subject: migrate_pages: move migrate_folio_unmap()
Date: Mon, 13 Feb 2023 20:34:41 +0800
Just move the position of the functions. There's no any functionality
change. This is to make it easier to review the next patch via putting
code near its position in the next patch.
Link: https://lkml.kernel.org/r/20230213123444.155149-7-ying.huang@intel.com
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Bharata B Rao <bharata@amd.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Xin Hao <xhao@linux.alibaba.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
--- a/mm/migrate.c~migrate_pages-move-migrate_folio_unmap
+++ a/mm/migrate.c
@@ -1236,6 +1236,56 @@ out:
return rc;
}
+/* Obtain the lock on page, remove all ptes. */
+static int migrate_folio_unmap(new_page_t get_new_page, free_page_t put_new_page,
+ unsigned long private, struct folio *src,
+ struct folio **dstp, int force, bool avoid_force_lock,
+ enum migrate_mode mode, enum migrate_reason reason,
+ struct list_head *ret)
+{
+ struct folio *dst;
+ int rc = MIGRATEPAGE_UNMAP;
+ struct page *newpage = NULL;
+
+ if (!thp_migration_supported() && folio_test_transhuge(src))
+ return -ENOSYS;
+
+ if (folio_ref_count(src) == 1) {
+ /* Folio was freed from under us. So we are done. */
+ folio_clear_active(src);
+ folio_clear_unevictable(src);
+ /* free_pages_prepare() will clear PG_isolated. */
+ list_del(&src->lru);
+ migrate_folio_done(src, reason);
+ return MIGRATEPAGE_SUCCESS;
+ }
+
+ newpage = get_new_page(&src->page, private);
+ if (!newpage)
+ return -ENOMEM;
+ dst = page_folio(newpage);
+ *dstp = dst;
+
+ dst->private = NULL;
+ rc = __migrate_folio_unmap(src, dst, force, avoid_force_lock, mode);
+ if (rc == MIGRATEPAGE_UNMAP)
+ return rc;
+
+ /*
+ * A folio that has not been unmapped will be restored to
+ * right list unless we want to retry.
+ */
+ if (rc != -EAGAIN && rc != -EDEADLOCK)
+ list_move_tail(&src->lru, ret);
+
+ if (put_new_page)
+ put_new_page(&dst->page, private);
+ else
+ folio_put(dst);
+
+ return rc;
+}
+
static int __migrate_folio_move(struct folio *src, struct folio *dst,
enum migrate_mode mode)
{
@@ -1294,56 +1344,6 @@ out_unlock_both:
folio_put(dst);
return rc;
-}
-
-/* Obtain the lock on page, remove all ptes. */
-static int migrate_folio_unmap(new_page_t get_new_page, free_page_t put_new_page,
- unsigned long private, struct folio *src,
- struct folio **dstp, int force, bool avoid_force_lock,
- enum migrate_mode mode, enum migrate_reason reason,
- struct list_head *ret)
-{
- struct folio *dst;
- int rc = MIGRATEPAGE_UNMAP;
- struct page *newpage = NULL;
-
- if (!thp_migration_supported() && folio_test_transhuge(src))
- return -ENOSYS;
-
- if (folio_ref_count(src) == 1) {
- /* Folio was freed from under us. So we are done. */
- folio_clear_active(src);
- folio_clear_unevictable(src);
- /* free_pages_prepare() will clear PG_isolated. */
- list_del(&src->lru);
- migrate_folio_done(src, reason);
- return MIGRATEPAGE_SUCCESS;
- }
-
- newpage = get_new_page(&src->page, private);
- if (!newpage)
- return -ENOMEM;
- dst = page_folio(newpage);
- *dstp = dst;
-
- dst->private = NULL;
- rc = __migrate_folio_unmap(src, dst, force, avoid_force_lock, mode);
- if (rc == MIGRATEPAGE_UNMAP)
- return rc;
-
- /*
- * A folio that has not been unmapped will be restored to
- * right list unless we want to retry.
- */
- if (rc != -EAGAIN && rc != -EDEADLOCK)
- list_move_tail(&src->lru, ret);
-
- if (put_new_page)
- put_new_page(&dst->page, private);
- else
- folio_put(dst);
-
- return rc;
}
/* Migrate the folio to the newly allocated folio in dst. */
_
Patches currently in -mm which might be from ying.huang@intel.com are
migrate_pages-organize-stats-with-struct-migrate_pages_stats.patch
migrate_pages-separate-hugetlb-folios-migration.patch
migrate_pages-restrict-number-of-pages-to-migrate-in-batch.patch
migrate_pages-split-unmap_and_move-to-_unmap-and-_move.patch
migrate_pages-batch-_unmap-and-_move.patch
migrate_pages-move-migrate_folio_unmap.patch
migrate_pages-share-more-code-between-_unmap-and-_move.patch
migrate_pages-batch-flushing-tlb.patch
migrate_pages-move-thp-hugetlb-migration-support-check-to-simplify-code.patch
^ permalink raw reply [flat|nested] 3+ messages in thread* + migrate_pages-move-migrate_folio_unmap.patch added to mm-unstable branch
@ 2023-01-16 21:36 Andrew Morton
0 siblings, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2023-01-16 21:36 UTC (permalink / raw)
To: mm-commits, ziy, xhao, willy, shy828301, osalvador, minchan,
bharata, baolin.wang, apopple, ying.huang, akpm
The patch titled
Subject: migrate_pages: move migrate_folio_unmap()
has been added to the -mm mm-unstable branch. Its filename is
migrate_pages-move-migrate_folio_unmap.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/migrate_pages-move-migrate_folio_unmap.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Huang Ying <ying.huang@intel.com>
Subject: migrate_pages: move migrate_folio_unmap()
Date: Mon, 16 Jan 2023 14:30:54 +0800
Just move the position of the functions. There's no any functionality
change. This is to make it easier to review the next patch via putting
code near its position in the next patch.
Link: https://lkml.kernel.org/r/20230116063057.653862-7-ying.huang@intel.com
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Cc: Zi Yan <ziy@nvidia.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Bharata B Rao <bharata@amd.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: haoxin <xhao@linux.alibaba.com>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
--- a/mm/migrate.c~migrate_pages-move-migrate_folio_unmap
+++ a/mm/migrate.c
@@ -1235,6 +1235,57 @@ out:
return rc;
}
+/* Obtain the lock on page, remove all ptes. */
+static int migrate_folio_unmap(new_page_t get_new_page, free_page_t put_new_page,
+ unsigned long private, struct folio *src,
+ struct folio **dstp, int force, bool force_lock,
+ enum migrate_mode mode, enum migrate_reason reason,
+ struct list_head *ret)
+{
+ struct folio *dst;
+ int rc = MIGRATEPAGE_UNMAP;
+ struct page *newpage = NULL;
+
+ if (!thp_migration_supported() && folio_test_transhuge(src))
+ return -ENOSYS;
+
+ if (folio_ref_count(src) == 1) {
+ /* Folio was freed from under us. So we are done. */
+ folio_clear_active(src);
+ folio_clear_unevictable(src);
+ /* free_pages_prepare() will clear PG_isolated. */
+ list_del(&src->lru);
+ migrate_folio_done(src, reason);
+ return MIGRATEPAGE_SUCCESS;
+ }
+
+ newpage = get_new_page(&src->page, private);
+ if (!newpage)
+ return -ENOMEM;
+ dst = page_folio(newpage);
+ *dstp = dst;
+
+ dst->private = NULL;
+ rc = __migrate_folio_unmap(src, dst, force, force_lock, mode);
+ if (rc == MIGRATEPAGE_UNMAP)
+ return rc;
+
+ /*
+ * A page that has not been migrated will have kept its
+ * references and be restored.
+ */
+ /* restore the folio to right list. */
+ if (rc != -EAGAIN && rc != -EDEADLOCK)
+ list_move_tail(&src->lru, ret);
+
+ if (put_new_page)
+ put_new_page(&dst->page, private);
+ else
+ folio_put(dst);
+
+ return rc;
+}
+
static int __migrate_folio_move(struct folio *src, struct folio *dst,
enum migrate_mode mode)
{
@@ -1292,57 +1343,6 @@ out_unlock_both:
folio_put(dst);
return rc;
-}
-
-/* Obtain the lock on page, remove all ptes. */
-static int migrate_folio_unmap(new_page_t get_new_page, free_page_t put_new_page,
- unsigned long private, struct folio *src,
- struct folio **dstp, int force, bool force_lock,
- enum migrate_mode mode, enum migrate_reason reason,
- struct list_head *ret)
-{
- struct folio *dst;
- int rc = MIGRATEPAGE_UNMAP;
- struct page *newpage = NULL;
-
- if (!thp_migration_supported() && folio_test_transhuge(src))
- return -ENOSYS;
-
- if (folio_ref_count(src) == 1) {
- /* Folio was freed from under us. So we are done. */
- folio_clear_active(src);
- folio_clear_unevictable(src);
- /* free_pages_prepare() will clear PG_isolated. */
- list_del(&src->lru);
- migrate_folio_done(src, reason);
- return MIGRATEPAGE_SUCCESS;
- }
-
- newpage = get_new_page(&src->page, private);
- if (!newpage)
- return -ENOMEM;
- dst = page_folio(newpage);
- *dstp = dst;
-
- dst->private = NULL;
- rc = __migrate_folio_unmap(src, dst, force, force_lock, mode);
- if (rc == MIGRATEPAGE_UNMAP)
- return rc;
-
- /*
- * A page that has not been migrated will have kept its
- * references and be restored.
- */
- /* restore the folio to right list. */
- if (rc != -EAGAIN && rc != -EDEADLOCK)
- list_move_tail(&src->lru, ret);
-
- if (put_new_page)
- put_new_page(&dst->page, private);
- else
- folio_put(dst);
-
- return rc;
}
/* Migrate the folio to the newly allocated folio in dst. */
_
Patches currently in -mm which might be from ying.huang@intel.com are
migrate_pages-organize-stats-with-struct-migrate_pages_stats.patch
migrate_pages-separate-hugetlb-folios-migration.patch
migrate_pages-restrict-number-of-pages-to-migrate-in-batch.patch
migrate_pages-split-unmap_and_move-to-_unmap-and-_move.patch
migrate_pages-batch-_unmap-and-_move.patch
migrate_pages-move-migrate_folio_unmap.patch
migrate_pages-share-more-code-between-_unmap-and-_move.patch
migrate_pages-batch-flushing-tlb.patch
migrate_pages-move-thp-hugetlb-migration-support-check-to-simplify-code.patch
^ permalink raw reply [flat|nested] 3+ messages in thread* + migrate_pages-move-migrate_folio_unmap.patch added to mm-unstable branch
@ 2023-01-10 23:54 Andrew Morton
0 siblings, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2023-01-10 23:54 UTC (permalink / raw)
To: mm-commits, ziy, xhao, willy, shy828301, osalvador, bharata,
baolin.wang, apopple, ying.huang, akpm
The patch titled
Subject: migrate_pages: move migrate_folio_unmap()
has been added to the -mm mm-unstable branch. Its filename is
migrate_pages-move-migrate_folio_unmap.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/migrate_pages-move-migrate_folio_unmap.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Huang Ying <ying.huang@intel.com>
Subject: migrate_pages: move migrate_folio_unmap()
Date: Tue, 10 Jan 2023 15:53:24 +0800
Just move the position of the functions. There's no any functionality
change. This is to make it easier to review the next patch via putting
code near its position in the next patch.
Link: https://lkml.kernel.org/r/20230110075327.590514-7-ying.huang@intel.com
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Cc: Zi Yan <ziy@nvidia.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Bharata B Rao <bharata@amd.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: haoxin <xhao@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/migrate.c | 102 ++++++++++++++++++++++++-------------------------
1 file changed, 51 insertions(+), 51 deletions(-)
--- a/mm/migrate.c~migrate_pages-move-migrate_folio_unmap
+++ a/mm/migrate.c
@@ -1236,6 +1236,57 @@ out:
return rc;
}
+/* Obtain the lock on page, remove all ptes. */
+static int migrate_folio_unmap(new_page_t get_new_page, free_page_t put_new_page,
+ unsigned long private, struct folio *src,
+ struct folio **dstp, int force, bool force_lock,
+ enum migrate_mode mode, enum migrate_reason reason,
+ struct list_head *ret)
+{
+ struct folio *dst;
+ int rc = MIGRATEPAGE_UNMAP;
+ struct page *newpage = NULL;
+
+ if (!thp_migration_supported() && folio_test_transhuge(src))
+ return -ENOSYS;
+
+ if (folio_ref_count(src) == 1) {
+ /* Folio was freed from under us. So we are done. */
+ folio_clear_active(src);
+ folio_clear_unevictable(src);
+ /* free_pages_prepare() will clear PG_isolated. */
+ list_del(&src->lru);
+ migrate_folio_done(src, reason);
+ return MIGRATEPAGE_SUCCESS;
+ }
+
+ newpage = get_new_page(&src->page, private);
+ if (!newpage)
+ return -ENOMEM;
+ dst = page_folio(newpage);
+ *dstp = dst;
+
+ dst->private = NULL;
+ rc = __migrate_folio_unmap(src, dst, force, force_lock, mode);
+ if (rc == MIGRATEPAGE_UNMAP)
+ return rc;
+
+ /*
+ * A page that has not been migrated will have kept its
+ * references and be restored.
+ */
+ /* restore the folio to right list. */
+ if (rc != -EAGAIN && rc != -EDEADLOCK)
+ list_move_tail(&src->lru, ret);
+
+ if (put_new_page)
+ put_new_page(&dst->page, private);
+ else
+ folio_put(dst);
+
+ return rc;
+}
+
static int __migrate_folio_move(struct folio *src, struct folio *dst,
enum migrate_mode mode)
{
@@ -1287,57 +1338,6 @@ static int __migrate_folio_move(struct f
folio_put(dst);
return rc;
-}
-
-/* Obtain the lock on page, remove all ptes. */
-static int migrate_folio_unmap(new_page_t get_new_page, free_page_t put_new_page,
- unsigned long private, struct folio *src,
- struct folio **dstp, int force, bool force_lock,
- enum migrate_mode mode, enum migrate_reason reason,
- struct list_head *ret)
-{
- struct folio *dst;
- int rc = MIGRATEPAGE_UNMAP;
- struct page *newpage = NULL;
-
- if (!thp_migration_supported() && folio_test_transhuge(src))
- return -ENOSYS;
-
- if (folio_ref_count(src) == 1) {
- /* Folio was freed from under us. So we are done. */
- folio_clear_active(src);
- folio_clear_unevictable(src);
- /* free_pages_prepare() will clear PG_isolated. */
- list_del(&src->lru);
- migrate_folio_done(src, reason);
- return MIGRATEPAGE_SUCCESS;
- }
-
- newpage = get_new_page(&src->page, private);
- if (!newpage)
- return -ENOMEM;
- dst = page_folio(newpage);
- *dstp = dst;
-
- dst->private = NULL;
- rc = __migrate_folio_unmap(src, dst, force, force_lock, mode);
- if (rc == MIGRATEPAGE_UNMAP)
- return rc;
-
- /*
- * A page that has not been migrated will have kept its
- * references and be restored.
- */
- /* restore the folio to right list. */
- if (rc != -EAGAIN && rc != -EDEADLOCK)
- list_move_tail(&src->lru, ret);
-
- if (put_new_page)
- put_new_page(&dst->page, private);
- else
- folio_put(dst);
-
- return rc;
}
/* Migrate the folio to the newly allocated folio in dst. */
_
Patches currently in -mm which might be from ying.huang@intel.com are
migrate_pages-organize-stats-with-struct-migrate_pages_stats.patch
migrate_pages-separate-hugetlb-folios-migration.patch
migrate_pages-restrict-number-of-pages-to-migrate-in-batch.patch
migrate_pages-split-unmap_and_move-to-_unmap-and-_move.patch
migrate_pages-batch-_unmap-and-_move.patch
migrate_pages-move-migrate_folio_unmap.patch
migrate_pages-share-more-code-between-_unmap-and-_move.patch
migrate_pages-batch-flushing-tlb.patch
migrate_pages-move-thp-hugetlb-migration-support-check-to-simplify-code.patch
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2023-02-13 18:22 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-02-13 18:21 + migrate_pages-move-migrate_folio_unmap.patch added to mm-unstable branch Andrew Morton
-- strict thread matches above, loose matches on Subject: below --
2023-01-16 21:36 Andrew Morton
2023-01-10 23:54 Andrew Morton
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.