+ memblock-pass-memblock_type-to-memblock_setclr_flag.patch added to mm-unstable branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: memblock: pass memblock_type to memblock_setclr_flag
has been added to the -mm mm-unstable branch.  Its filename is
     memblock-pass-memblock_type-to-memblock_setclr_flag.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/memblock-pass-memblock_type-to-memblock_setclr_flag.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days

------------------------------------------------------
From: Usama Arif <usama.arif@bytedance.com>
Subject: memblock: pass memblock_type to memblock_setclr_flag
Date: Wed, 13 Sep 2023 11:53:59 +0100

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.

Link: https://lkml.kernel.org/r/20230913105401.519709-3-usama.arif@bytedance.com
Signed-off-by: Usama Arif <usama.arif@bytedance.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Mike Rapoport (IBM) <rppt@kernel.org>
Acked-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Fam Zheng <fam.zheng@bytedance.com>
Cc: Punit Agrawal <punit.agrawal@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/memblock.c |   15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

--- a/mm/memblock.c~memblock-pass-memblock_type-to-memblock_setclr_flag
+++ a/mm/memblock.c
@@ -901,10 +901,9 @@ int __init_memblock memblock_physmem_add
  *
  * 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);
@@ -933,7 +932,7 @@ static int __init_memblock memblock_setc
  */
 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);
 }
 
 /**
@@ -945,7 +944,7 @@ int __init_memblock memblock_mark_hotplu
  */
 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);
 }
 
 /**
@@ -962,7 +961,7 @@ int __init_memblock memblock_mark_mirror
 
 	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);
 }
 
 /**
@@ -982,7 +981,7 @@ int __init_memblock memblock_mark_mirror
  */
 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);
 }
 
 /**
@@ -994,7 +993,7 @@ int __init_memblock memblock_mark_nomap(
  */
 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,
_

Patches currently in -mm which might be from usama.arif@bytedance.com are

mm-hugetlb_vmemmap-use-nid-of-the-head-page-to-reallocate-it.patch
memblock-pass-memblock_type-to-memblock_setclr_flag.patch
memblock-introduce-memblock_rsrv_noinit-flag.patch
mm-hugetlb-skip-initialization-of-gigantic-tail-struct-pages-if-freed-by-hvo.patch