+ x86-mm-memory_hotplug-determine-block-size-based-on-the-end-of-boot-memory-v4.patch added to -mm tree

[akpm@linux-foundation.org]

The patch titled
     Subject: x86-mm-memory_hotplug-determine-block-size-based-on-the-end-of-boot-memory-v4
has been added to the -mm tree.  Its filename is
     x86-mm-memory_hotplug-determine-block-size-based-on-the-end-of-boot-memory-v4.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/x86-mm-memory_hotplug-determine-block-size-based-on-the-end-of-boot-memory-v4.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/x86-mm-memory_hotplug-determine-block-size-based-on-the-end-of-boot-memory-v4.patch

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------------------------------------------------------
From: Pavel Tatashin <pasha.tatashin@oracle.com>
Subject: x86-mm-memory_hotplug-determine-block-size-based-on-the-end-of-boot-memory-v4

Addressed comments from Ingo Molnar and from Michal Hocko
Splitted 4th patch into three patches
Instead of using section table to save node ids, saving node id in
the first page of every section.
				
Link: http://lkml.kernel.org/r/20180215165920.8570-3-pasha.tatashin@oracle.com
Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/x86/mm/init_64.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff -puN arch/x86/mm/init_64.c~x86-mm-memory_hotplug-determine-block-size-based-on-the-end-of-boot-memory-v4 arch/x86/mm/init_64.c
--- a/arch/x86/mm/init_64.c~x86-mm-memory_hotplug-determine-block-size-based-on-the-end-of-boot-memory-v4
+++ a/arch/x86/mm/init_64.c
@@ -1327,8 +1327,8 @@ int kern_addr_valid(unsigned long addr)
 }
 
 /*
- * Block size is the minimum quantum of memory which can be hot-plugged or
- * hot-removed. It must be power of two, and must be equal or larger than
+ * Block size is the minimum amount of memory which can be hotplugged or
+ * hotremoved. It must be power of two and must be equal or larger than
  * MIN_MEMORY_BLOCK_SIZE.
  */
 #define MAX_BLOCK_SIZE (2UL << 30)
_

Patches currently in -mm which might be from pasha.tatashin@oracle.com are

mm-initialize-pages-on-demand-during-boot.patch
mm-initialize-pages-on-demand-during-boot-fix-3.patch
mm-memory_hotplug-enforce-block-size-aligned-range-check.patch
x86-mm-memory_hotplug-determine-block-size-based-on-the-end-of-boot-memory.patch
x86-mm-memory_hotplug-determine-block-size-based-on-the-end-of-boot-memory-v4.patch
mm-uninitialized-struct-page-poisoning-sanity-checking.patch
mm-uninitialized-struct-page-poisoning-sanity-checking-v4.patch
mm-memory_hotplug-optimize-probe-routine.patch
mm-memory_hotplug-dont-read-nid-from-struct-page-during-hotplug.patch
mm-memory_hotplug-optimize-memory-hotplug.patch
sparc64-ng4-memset-32-bits-overflow.patch