linux-kernel - [v3 2/4] memblock: pass memblock_type to memblock_setclr

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: <20230825111836.1715308-3-usama.arif@bytedance.com>
Date:   Fri, 25 Aug 2023 12:18:34 +0100
From:   Usama Arif <usama.arif@...edance.com>
To:     linux-mm@...ck.org, muchun.song@...ux.dev, mike.kravetz@...cle.com,
        rppt@...nel.org
Cc:     linux-kernel@...r.kernel.org, songmuchun@...edance.com,
        fam.zheng@...edance.com, liangma@...ngbit.com,
        punit.agrawal@...edance.com, Usama Arif <usama.arif@...edance.com>
Subject: [v3 2/4] memblock: pass memblock_type to memblock_setclr_flag

This allows setting flags to both memblock types and is in preparation for
setting flags (for e.g. to not initialize struct pages) on reserved
memory region.

Signed-off-by: Usama Arif <usama.arif@...edance.com>
---
 mm/memblock.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/mm/memblock.c b/mm/memblock.c
index f9e61e565a53..43cb4404d94c 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -896,10 +896,9 @@ int __init_memblock memblock_physmem_add(phys_addr_t base, phys_addr_t size)
  *
  * Return: 0 on success, -errno on failure.
  */
-static int __init_memblock memblock_setclr_flag(phys_addr_t base,
-				phys_addr_t size, int set, int flag)
+static int __init_memblock memblock_setclr_flag(struct memblock_type *type,
+				phys_addr_t base, phys_addr_t size, int set, int flag)
 {
-	struct memblock_type *type = &memblock.memory;
 	int i, ret, start_rgn, end_rgn;
 
 	ret = memblock_isolate_range(type, base, size, &start_rgn, &end_rgn);
@@ -928,7 +927,7 @@ static int __init_memblock memblock_setclr_flag(phys_addr_t base,
  */
 int __init_memblock memblock_mark_hotplug(phys_addr_t base, phys_addr_t size)
 {
-	return memblock_setclr_flag(base, size, 1, MEMBLOCK_HOTPLUG);
+	return memblock_setclr_flag(&memblock.memory, base, size, 1, MEMBLOCK_HOTPLUG);
 }
 
 /**
@@ -940,7 +939,7 @@ int __init_memblock memblock_mark_hotplug(phys_addr_t base, phys_addr_t size)
  */
 int __init_memblock memblock_clear_hotplug(phys_addr_t base, phys_addr_t size)
 {
-	return memblock_setclr_flag(base, size, 0, MEMBLOCK_HOTPLUG);
+	return memblock_setclr_flag(&memblock.memory, base, size, 0, MEMBLOCK_HOTPLUG);
 }
 
 /**
@@ -957,7 +956,7 @@ int __init_memblock memblock_mark_mirror(phys_addr_t base, phys_addr_t size)
 
 	system_has_some_mirror = true;
 
-	return memblock_setclr_flag(base, size, 1, MEMBLOCK_MIRROR);
+	return memblock_setclr_flag(&memblock.memory, base, size, 1, MEMBLOCK_MIRROR);
 }
 
 /**
@@ -977,7 +976,7 @@ int __init_memblock memblock_mark_mirror(phys_addr_t base, phys_addr_t size)
  */
 int __init_memblock memblock_mark_nomap(phys_addr_t base, phys_addr_t size)
 {
-	return memblock_setclr_flag(base, size, 1, MEMBLOCK_NOMAP);
+	return memblock_setclr_flag(&memblock.memory, base, size, 1, MEMBLOCK_NOMAP);
 }
 
 /**
@@ -989,7 +988,7 @@ int __init_memblock memblock_mark_nomap(phys_addr_t base, phys_addr_t size)
  */
 int __init_memblock memblock_clear_nomap(phys_addr_t base, phys_addr_t size)
 {
-	return memblock_setclr_flag(base, size, 0, MEMBLOCK_NOMAP);
+	return memblock_setclr_flag(&memblock.memory, base, size, 0, MEMBLOCK_NOMAP);
 }
 
 static bool should_skip_region(struct memblock_type *type,
-- 
2.25.1