+ mm-replace-20-page_shift-with-common-macros-for-pages-mb-conversion-fix.patch added to mm-unstable branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: mm-replace-20-page_shift-with-common-macros-for-pages-mb-conversion-fix
has been added to the -mm mm-unstable branch.  Its filename is
     mm-replace-20-page_shift-with-common-macros-for-pages-mb-conversion-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-replace-20-page_shift-with-common-macros-for-pages-mb-conversion-fix.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: mm-replace-20-page_shift-with-common-macros-for-pages-mb-conversion-fix
Date: Fri Aug 22 02:54:15 PM PDT 2025

add system-wide PAGES_TO_KB/PAGES_FROM_KB to mm.h, remove arc private
versions

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lkml.kernel.org/r/202508230539.pnO97SIj-lkp@intel.com
Cc: Vineet Gupta <vgupta@kernel.org>
Cc: Ye Liu <liuye@kylinos.cn>
Cc: Zi Yan <ziy@nvidia.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Dev Jain <dev.jain@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Chris Li <chrisl@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/arc/include/asm/arcregs.h |    4 ++--
 include/linux/mm.h             |    2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

--- a/arch/arc/include/asm/arcregs.h~mm-replace-20-page_shift-with-common-macros-for-pages-mb-conversion-fix
+++ a/arch/arc/include/asm/arcregs.h
@@ -146,13 +146,13 @@
 
 #ifndef __ASSEMBLER__
 
+#include <linux/mm.h>
+
 #include <soc/arc/arc_aux.h>
 
 /* Helpers */
 #define TO_KB(bytes)		((bytes) >> 10)
 #define TO_MB(bytes)		(TO_KB(bytes) >> 10)
-#define PAGES_TO_KB(n_pages)	((n_pages) << (PAGE_SHIFT - 10))
-#define PAGES_TO_MB(n_pages)	(PAGES_TO_KB(n_pages) >> 10)
 
 
 /*
--- a/include/linux/mm.h~mm-replace-20-page_shift-with-common-macros-for-pages-mb-conversion-fix
+++ a/include/linux/mm.h
@@ -75,6 +75,8 @@ extern void * high_memory;
  * PAGE_SHIFT is the shift for page size (e.g., 12 for 4KB pages)
  * So (20 - PAGE_SHIFT) converts between pages and MB
  */
+#define PAGES_TO_KB(pages) ((pages) >> (10 - PAGE_SHIFT))
+#define KB_TO_PAGES(kb)    ((kb) << (10 - PAGE_SHIFT))
 #define PAGES_TO_MB(pages) ((pages) >> (20 - PAGE_SHIFT))
 #define MB_TO_PAGES(mb)    ((mb) << (20 - PAGE_SHIFT))
 
_

Patches currently in -mm which might be from akpm@linux-foundation.org are

mm-replace-20-page_shift-with-common-macros-for-pages-mb-conversion-fix.patch
mm-damon-core-skip-needless-update-of-damon_attrs-in-damon_commit_ctx-fix.patch
mm-convert-core-mm-to-mm_flags_-accessors-fix.patch
memcg-optimize-exit-to-user-space-fix.patch
lib-sys_info-handle-sys_info_mask==0-case-fix.patch