[merged mm-stable] mm-page_alloc-invert-logic-for-early-page-initialisation-checks.patch removed from -mm tree

[merged mm-stable] mm-page_alloc-invert-logic-for-early-page-initialisation-checks.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm/page_alloc: invert logic for early page initialisation checks
has been removed from the -mm tree.  Its filename was
     mm-page_alloc-invert-logic-for-early-page-initialisation-checks.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: "Mike Rapoport (IBM)" <rppt@kernel.org>
Subject: mm/page_alloc: invert logic for early page initialisation checks
Date: Wed, 4 Jan 2023 21:18:05 +0200

Rename early_page_uninitialised() to early_page_initialised() and invert
its logic to make the code more readable.

Link: https://lkml.kernel.org/r/20230104191805.2535864-1-rppt@kernel.org
Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/page_alloc.c |   16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

--- a/mm/page_alloc.c~mm-page_alloc-invert-logic-for-early-page-initialisation-checks
+++ a/mm/page_alloc.c
@@ -443,15 +443,15 @@ static inline bool deferred_pages_enable
 	return static_branch_unlikely(&deferred_pages);
 }
 
-/* Returns true if the struct page for the pfn is uninitialised */
-static inline bool __meminit early_page_uninitialised(unsigned long pfn)
+/* Returns true if the struct page for the pfn is initialised */
+static inline bool __meminit early_page_initialised(unsigned long pfn)
 {
 	int nid = early_pfn_to_nid(pfn);
 
 	if (node_online(nid) && pfn >= NODE_DATA(nid)->first_deferred_pfn)
-		return true;
+		return false;
 
-	return false;
+	return true;
 }
 
 /*
@@ -498,9 +498,9 @@ static inline bool deferred_pages_enable
 	return false;
 }
 
-static inline bool early_page_uninitialised(unsigned long pfn)
+static inline bool early_page_initialised(unsigned long pfn)
 {
-	return false;
+	return true;
 }
 
 static inline bool defer_init(int nid, unsigned long pfn, unsigned long end_pfn)
@@ -1643,7 +1643,7 @@ static void __meminit init_reserved_page
 	pg_data_t *pgdat;
 	int nid, zid;
 
-	if (!early_page_uninitialised(pfn))
+	if (early_page_initialised(pfn))
 		return;
 
 	nid = early_pfn_to_nid(pfn);
@@ -1806,7 +1806,7 @@ int __meminit early_pfn_to_nid(unsigned
 void __init memblock_free_pages(struct page *page, unsigned long pfn,
 							unsigned int order)
 {
-	if (early_page_uninitialised(pfn))
+	if (!early_page_initialised(pfn))
 		return;
 	if (!kmsan_memblock_free_pages(page, order)) {
 		/* KMSAN will take care of these pages. */
_

Patches currently in -mm which might be from rppt@kernel.org are