[folded-merged] mm-support-only-one-page_type-per-page-fix.patch removed from -mm tree

[folded-merged] mm-support-only-one-page_type-per-page-fix.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm-support-only-one-page_type-per-page-fix
has been removed from the -mm tree.  Its filename was
     mm-support-only-one-page_type-per-page-fix.patch

This patch was dropped because it was folded into mm-support-only-one-page_type-per-page.patch

------------------------------------------------------
From: Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: mm-support-only-one-page_type-per-page-fix
Date: Wed, 28 Aug 2024 11:35:28 +0800

fix ubsan warnings

UBSAN: shift-out-of-bounds in ../include/linux/page-flags.h:998:1
left shift of 240 by 24 places cannot be represented in type 'int'
...

Changing significant bit to unsigned to fix it.

Link: https://lkml.kernel.org/r/2d19c48a-c550-4345-bf36-d05cd303c5de@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/page-flags.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/include/linux/page-flags.h~mm-support-only-one-page_type-per-page-fix
+++ a/include/linux/page-flags.h
@@ -968,7 +968,7 @@ static __always_inline void __folio_set_
 {									\
 	VM_BUG_ON_FOLIO(data_race(folio->page.page_type) != UINT_MAX,	\
 			folio);						\
-	folio->page.page_type = PGTY_##lname << 24;			\
+	folio->page.page_type = (unsigned int)PGTY_##lname << 24;	\
 }									\
 static __always_inline void __folio_clear_##fname(struct folio *folio)	\
 {									\
@@ -985,7 +985,7 @@ static __always_inline int Page##uname(c
 static __always_inline void __SetPage##uname(struct page *page)		\
 {									\
 	VM_BUG_ON_PAGE(data_race(page->page_type) != UINT_MAX, page);	\
-	page->page_type = PGTY_##lname << 24;				\
+	page->page_type = (unsigned int)PGTY_##lname << 24;		\
 }									\
 static __always_inline void __ClearPage##uname(struct page *page)	\
 {									\
_

Patches currently in -mm which might be from wangkefeng.wang@huawei.com are

mm-remove-migration-for-hugepage-in-isolate_single_pageblock.patch
mm-support-only-one-page_type-per-page.patch
mm-memory_hotplug-remove-head-variable-in-do_migrate_range.patch
mm-memory-failure-add-unmap_poisoned_folio.patch
mm-memory_hotplug-check-hwpoisoned-page-firstly-in-do_migrate_range.patch
mm-migrate-add-isolate_folio_to_list.patch
mm-memory_hotplug-unify-huge-lru-non-lru-movable-folio-isolation.patch
mm-memory_hotplug-unify-huge-lru-non-lru-movable-folio-isolation-fix.patch
mm-migrate_device-convert-to-migrate_device_coherent_folio.patch
mm-migrate_device-use-a-folio-in-migrate_device_range.patch
mm-migrate_device-use-more-folio-in-migrate_device_unmap.patch
mm-migrate_device-use-more-folio-in-migrate_device_finalize.patch
mm-remove-isolate_lru_page.patch
mm-remove-isolate_lru_page-fix.patch
mm-remove-putback_lru_page.patch