The patch titled
Subject: modpost: .meminit.* is not in init section when CONFIG_MEMORY_HOTPLUG set
has been added to the -mm mm-unstable branch. Its filename is
modpost-meminit-is-not-in-init-section-when-config_memory_hotplug-set.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/modpost-meminit-is-not-in-init-section-when-config_memory_hotplug-set.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: Wei Yang <richard.weiyang@xxxxxxxxx>
Subject: modpost: .meminit.* is not in init section when CONFIG_MEMORY_HOTPLUG set
Date: Tue, 2 Jul 2024 23:40:07 +0000
.meminit.* is not put into init section when CONFIG_MEMORY_HOTPLUG is set,
since we define MEM_KEEP()/MEM_DISCARD() according to
CONFIG_MEMORY_HOTPLUG.
Link: https://lkml.kernel.org/r/20240702234008.19101-2-richard.weiyang@xxxxxxxxx
Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
Cc: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>
Cc: Masahiro Yamada <masahiroy@xxxxxxxxxx>
Cc: Nathan Chancellor <nathan@xxxxxxxxxx>
Cc: Nicolas Schier <nicolas@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
scripts/mod/modpost.c | 10 ++++++++++
1 file changed, 10 insertions(+)
--- a/scripts/mod/modpost.c~modpost-meminit-is-not-in-init-section-when-config_memory_hotplug-set
+++ a/scripts/mod/modpost.c
@@ -22,6 +22,7 @@
#include <errno.h>
#include "modpost.h"
#include "../../include/linux/license.h"
+#include "../../include/generated/autoconf.h"
static bool module_enabled;
/* Are we using CONFIG_MODVERSIONS? */
@@ -775,9 +776,14 @@ static void check_section(const char *mo
+#if defined(CONFIG_MEMORY_HOTPLUG)
+#define ALL_INIT_DATA_SECTIONS \
+ ".init.setup", ".init.rodata", ".init.data"
+#else
#define ALL_INIT_DATA_SECTIONS \
".init.setup", ".init.rodata", ".meminit.rodata", \
".init.data", ".meminit.data"
+#endif
#define ALL_PCI_INIT_SECTIONS \
".pci_fixup_early", ".pci_fixup_header", ".pci_fixup_final", \
@@ -786,7 +792,11 @@ static void check_section(const char *mo
#define ALL_XXXINIT_SECTIONS ".meminit.*"
+#if defined(CONFIG_MEMORY_HOTPLUG)
+#define ALL_INIT_SECTIONS INIT_SECTIONS
+#else
#define ALL_INIT_SECTIONS INIT_SECTIONS, ALL_XXXINIT_SECTIONS
+#endif
#define ALL_EXIT_SECTIONS ".exit.*"
#define DATA_SECTIONS ".data", ".data.rel"
_
Patches currently in -mm which might be from richard.weiyang@xxxxxxxxx are
kernel-forkc-get-totalram_pages-from-memblock-to-calculate-max_threads.patch
kernel-forkc-put-set_max_threads-task_struct_whitelist-in-__init-section.patch
mm-page_alloc-remove-prefetchw-on-freeing-page-to-buddy-system.patch
mm-use-zonelist_zone-to-get-zone.patch
modpost-meminit-is-not-in-init-section-when-config_memory_hotplug-set.patch
mm-page_alloc-put-__free_pages_core-in-__meminit-section.patch
