The patch titled
Subject: mm-page_ext-init-page_ext-early-if-there-are-no-deferred-struct-pages-v2
has been added to the -mm mm-unstable branch. Its filename is
mm-page_ext-init-page_ext-early-if-there-are-no-deferred-struct-pages-v2.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-page_ext-init-page_ext-early-if-there-are-no-deferred-struct-pages-v2.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: Pasha Tatashin <pasha.tatashin@xxxxxxxxxx>
Subject: mm-page_ext-init-page_ext-early-if-there-are-no-deferred-struct-pages-v2
Date: Wed, 18 Jan 2023 15:52:51 +0000
fix build with CONFIG_PAGE_EXTENSION=n
Link: https://lkml.kernel.org/r/20230118155251.2522985-1-pasha.tatashin@xxxxxxxxxx
Signed-off-by: Pasha Tatashin <pasha.tatashin@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/page_ext.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/include/linux/page_ext.h~mm-page_ext-init-page_ext-early-if-there-are-no-deferred-struct-pages-v2
+++ a/include/linux/page_ext.h
@@ -29,6 +29,8 @@ struct page_ext_operations {
bool need_shared_flags;
};
+extern bool deferred_struct_pages;
+
#ifdef CONFIG_PAGE_EXTENSION
/*
@@ -54,7 +56,6 @@ struct page_ext {
unsigned long flags;
};
-extern bool deferred_struct_pages;
extern bool early_page_ext;
extern unsigned long page_ext_size;
extern void pgdat_page_ext_init(struct pglist_data *pgdat);
_
Patches currently in -mm which might be from pasha.tatashin@xxxxxxxxxx are
mm-page_ext-do-not-allocate-space-for-page_ext-flags-if-not-needed.patch
mm-page_ext-do-not-allocate-space-for-page_ext-flags-if-not-needed-v4.patch
mm-page_ext-init-page_ext-early-if-there-are-no-deferred-struct-pages.patch
mm-page_ext-init-page_ext-early-if-there-are-no-deferred-struct-pages-v2.patch
