+ mm-page_alloc-squash-page_is_consistent.patch added to mm-unstable branch

+ mm-page_alloc-squash-page_is_consistent.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm: page_alloc: squash page_is_consistent()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-page_alloc-squash-page_is_consistent.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-page_alloc-squash-page_is_consistent.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: Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: mm: page_alloc: squash page_is_consistent()
Date: Tue, 16 May 2023 14:38:13 +0800

Squash the page_is_consistent() into bad_range() as there is only one
caller.

Link: https://lkml.kernel.org/r/20230516063821.121844-6-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Len Brown <len.brown@intel.com>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/page_alloc.c |    9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

--- a/mm/page_alloc.c~mm-page_alloc-squash-page_is_consistent
+++ a/mm/page_alloc.c
@@ -517,13 +517,6 @@ static int page_outside_zone_boundaries(
 	return ret;
 }
 
-static int page_is_consistent(struct zone *zone, struct page *page)
-{
-	if (zone != page_zone(page))
-		return 0;
-
-	return 1;
-}
 /*
  * Temporary debugging check for pages not lying within a given zone.
  */
@@ -531,7 +524,7 @@ static int __maybe_unused bad_range(stru
 {
 	if (page_outside_zone_boundaries(zone, page))
 		return 1;
-	if (!page_is_consistent(zone, page))
+	if (zone != page_zone(page))
 		return 1;
 
 	return 0;
_

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

mm-memory_failure-move-memory_failure_attr_group-under-memory_failure.patch
mm-memory-failure-move-sysctl-register-in-memory_failure_init.patch
mm-page_alloc-move-mirrored_kernelcore-into-mm_initc.patch
mm-page_alloc-move-init_on_alloc-free-into-mm_initc.patch
mm-page_alloc-move-set_zone_contiguous-into-mm_initc.patch
mm-page_alloc-collect-mem-statistic-into-show_memc.patch
mm-page_alloc-squash-page_is_consistent.patch
mm-page_alloc-remove-alloc_contig_dump_pages-stub.patch
mm-page_alloc-split-out-fail_page_alloc.patch
mm-page_alloc-split-out-debug_pagealloc.patch
mm-page_alloc-move-mark_free_page-into-snapshotc.patch
mm-page_alloc-move-pm_-function-into-power.patch
mm-vmscan-use-gfp_has_io_fs.patch
mm-page_alloc-move-sysctls-into-it-own-fils.patch
mm-page_alloc-move-is_check_pages_enabled-into-page_allocc.patch