The quilt patch titled
Subject: init,mm: fold late call to page_ext_init() to page_alloc_init_late()
has been removed from the -mm tree. Its filename was
initmm-fold-late-call-to-page_ext_init-to-page_alloc_init_late.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@xxxxxxxxxx>
Subject: init,mm: fold late call to page_ext_init() to page_alloc_init_late()
Date: Tue, 21 Mar 2023 19:05:09 +0200
When deferred initialization of struct pages is enabled, page_ext_init()
must be called after all the deferred initialization is done, but there is
no point to keep it a separate call from kernel_init_freeable() right
after page_alloc_init_late().
Fold the call to page_ext_init() into page_alloc_init_late() and localize
deferred_struct_pages variable.
Link: https://lkml.kernel.org/r/20230321170513.2401534-11-rppt@xxxxxxxxxx
Signed-off-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Doug Berger <opendmb@xxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/page_ext.h | 2 --
init/main.c | 4 ----
mm/mm_init.c | 6 +++++-
3 files changed, 5 insertions(+), 7 deletions(-)
--- a/include/linux/page_ext.h~initmm-fold-late-call-to-page_ext_init-to-page_alloc_init_late
+++ a/include/linux/page_ext.h
@@ -29,8 +29,6 @@ struct page_ext_operations {
bool need_shared_flags;
};
-extern bool deferred_struct_pages;
-
#ifdef CONFIG_PAGE_EXTENSION
/*
--- a/init/main.c~initmm-fold-late-call-to-page_ext_init-to-page_alloc_init_late
+++ a/init/main.c
@@ -62,7 +62,6 @@
#include <linux/rmap.h>
#include <linux/mempolicy.h>
#include <linux/key.h>
-#include <linux/page_ext.h>
#include <linux/debug_locks.h>
#include <linux/debugobjects.h>
#include <linux/lockdep.h>
@@ -1565,9 +1564,6 @@ static noinline void __init kernel_init_
padata_init();
page_alloc_init_late();
- /* Initialize page ext after all struct pages are initialized. */
- if (deferred_struct_pages)
- page_ext_init();
do_basic_setup();
--- a/mm/mm_init.c~initmm-fold-late-call-to-page_ext_init-to-page_alloc_init_late
+++ a/mm/mm_init.c
@@ -225,7 +225,7 @@ static unsigned long nr_kernel_pages __i
static unsigned long nr_all_pages __initdata;
static unsigned long dma_reserve __initdata;
-bool deferred_struct_pages __meminitdata;
+static bool deferred_struct_pages __meminitdata;
static DEFINE_PER_CPU(struct per_cpu_nodestat, boot_nodestats);
@@ -2358,6 +2358,10 @@ void __init page_alloc_init_late(void)
for_each_populated_zone(zone)
set_zone_contiguous(zone);
+
+ /* Initialize page ext after all struct pages are initialized. */
+ if (deferred_struct_pages)
+ page_ext_init();
}
#ifndef __HAVE_ARCH_RESERVED_KERNEL_PAGES
_
Patches currently in -mm which might be from rppt@xxxxxxxxxx are
arm-reword-arch_force_max_order-prompt-and-help-text.patch
arm64-drop-ranges-in-definition-of-arch_force_max_order.patch
arm64-reword-arch_force_max_order-prompt-and-help-text.patch
arm64-reword-arch_force_max_order-prompt-and-help-text-v3.patch
csky-drop-arch_force_max_order.patch
ia64-dont-allow-users-to-override-arch_force_max_order.patch
m68k-reword-arch_force_max_order-prompt-and-help-text.patch
nios2-reword-arch_force_max_order-prompt-and-help-text.patch
nios2-drop-ranges-for-definition-of-arch_force_max_order.patch
powerpc-reword-arch_force_max_order-prompt-and-help-text.patch
powerpc-drop-ranges-for-definition-of-arch_force_max_order.patch
sh-reword-arch_force_max_order-prompt-and-help-text.patch
sh-reword-arch_force_max_order-prompt-and-help-text-v3.patch
sh-drop-ranges-for-definition-of-arch_force_max_order.patch
sh-drop-ranges-for-definition-of-arch_force_max_order-v3.patch
sparc-reword-arch_force_max_order-prompt-and-help-text.patch
xtensa-reword-arch_force_max_order-prompt-and-help-text.patch
mm-move-free_area_empty-to-mm-internalh.patch
