[merged mm-stable] mm-remove-obsolete-macro-nr_pcp_order_mask-and-nr_pcp_order_width.patch removed from -mm tree

[merged mm-stable] mm-remove-obsolete-macro-nr_pcp_order_mask-and-nr_pcp_order_width.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm: remove obsolete macro NR_PCP_ORDER_MASK and NR_PCP_ORDER_WIDTH
has been removed from the -mm tree.  Its filename was
     mm-remove-obsolete-macro-nr_pcp_order_mask-and-nr_pcp_order_width.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Miaohe Lin <linmiaohe@huawei.com>
Subject: mm: remove obsolete macro NR_PCP_ORDER_MASK and NR_PCP_ORDER_WIDTH
Date: Fri, 16 Sep 2022 15:22:44 +0800

Since commit 8b10b465d0e1 ("mm/page_alloc: free pages in a single pass
during bulk free"), they're not used anymore.  Remove them.

Link: https://lkml.kernel.org/r/20220916072257.9639-4-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/mmzone.h |    7 -------
 mm/page_alloc.c        |    1 -
 2 files changed, 8 deletions(-)

--- a/include/linux/mmzone.h~mm-remove-obsolete-macro-nr_pcp_order_mask-and-nr_pcp_order_width
+++ a/include/linux/mmzone.h
@@ -564,13 +564,6 @@ enum zone_watermarks {
 #define NR_LOWORDER_PCP_LISTS (MIGRATE_PCPTYPES * (PAGE_ALLOC_COSTLY_ORDER + 1))
 #define NR_PCP_LISTS (NR_LOWORDER_PCP_LISTS + NR_PCP_THP)
 
-/*
- * Shift to encode migratetype and order in the same integer, with order
- * in the least significant bits.
- */
-#define NR_PCP_ORDER_WIDTH 8
-#define NR_PCP_ORDER_MASK ((1<<NR_PCP_ORDER_WIDTH) - 1)
-
 #define min_wmark_pages(z) (z->_watermark[WMARK_MIN] + z->watermark_boost)
 #define low_wmark_pages(z) (z->_watermark[WMARK_LOW] + z->watermark_boost)
 #define high_wmark_pages(z) (z->_watermark[WMARK_HIGH] + z->watermark_boost)
--- a/mm/page_alloc.c~mm-remove-obsolete-macro-nr_pcp_order_mask-and-nr_pcp_order_width
+++ a/mm/page_alloc.c
@@ -1584,7 +1584,6 @@ static void free_pcppages_bulk(struct zo
 
 		order = pindex_to_order(pindex);
 		nr_pages = 1 << order;
-		BUILD_BUG_ON(MAX_ORDER >= (1<<NR_PCP_ORDER_WIDTH));
 		do {
 			int mt;
 
_

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