linux-kernel - [PATCH v2 1/3] mm/sparse: Expose for_each_present_section

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250311004657.82985-2-gshan@redhat.com>
Date: Tue, 11 Mar 2025 10:46:55 +1000
From: Gavin Shan <gshan@...hat.com>
To: linux-mm@...ck.org
Cc: linux-kernel@...r.kernel.org,
	david@...hat.com,
	osalvador@...e.de,
	gregkh@...uxfoundation.org,
	rafael@...nel.org,
	dakr@...nel.org,
	akpm@...ux-foundation.org,
	shan.gavin@...il.com
Subject: [PATCH v2 1/3] mm/sparse: Expose for_each_present_section_nr()

Expose for_each_present_section_nr() to be used by drivers/base/memory
in the next patch.

No functional changes intended.

Signed-off-by: Gavin Shan <gshan@...hat.com>
---
 include/linux/mmzone.h | 5 +++++
 mm/sparse.c            | 5 -----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 9540b41894da..0f6646da34d7 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -2097,6 +2097,11 @@ static inline unsigned long next_present_section_nr(unsigned long section_nr)
 	return -1;
 }
 
+#define for_each_present_section_nr(start, section_nr)		\
+	for (section_nr = next_present_section_nr(start - 1);	\
+	     section_nr != -1;					\
+	     section_nr = next_present_section_nr(section_nr))
+
 /*
  * These are _only_ used during initialisation, therefore they
  * can use __initdata ...  They could have names to indicate
diff --git a/mm/sparse.c b/mm/sparse.c
index 133b033d0cba..fe77d523ab8d 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -170,11 +170,6 @@ static void __section_mark_present(struct mem_section *ms,
 	ms->section_mem_map |= SECTION_MARKED_PRESENT;
 }
 
-#define for_each_present_section_nr(start, section_nr)		\
-	for (section_nr = next_present_section_nr(start-1);	\
-	     section_nr != -1;								\
-	     section_nr = next_present_section_nr(section_nr))
-
 static inline unsigned long first_present_section_nr(void)
 {
 	return next_present_section_nr(-1);
-- 
2.48.1