+ mm-khugepaged-recalculate-min_free_kbytes-after-memory-hotplug-as-expected-by-khugepaged-v5.patch added to -mm tree

+ mm-khugepaged-recalculate-min_free_kbytes-after-memory-hotplug-as-expected-by-khugepaged-v5.patch added to -mm tree

[akpm]

The patch titled
     Subject: mm-khugepaged-recalculate-min_free_kbytes-after-memory-hotplug-as-expected-by-khugepaged-v5
has been added to the -mm tree.  Its filename is
     mm-khugepaged-recalculate-min_free_kbytes-after-memory-hotplug-as-expected-by-khugepaged-v5.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-khugepaged-recalculate-min_free_kbytes-after-memory-hotplug-as-expected-by-khugepaged-v5.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-khugepaged-recalculate-min_free_kbytes-after-memory-hotplug-as-expected-by-khugepaged-v5.patch

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------------------------------------------------------
From: Vijay Balakrishna <vijayb@linux.microsoft.com>
Subject: mm-khugepaged-recalculate-min_free_kbytes-after-memory-hotplug-as-expected-by-khugepaged-v5

made changes to move khugepaged_min_free_kbytes_update into
init_per_zone_wmark_min and rested changes

Link: https://lkml.kernel.org/r/1601398153-5517-1-git-send-email-vijayb@linux.microsoft.com
Fixes: f000565adb77 ("thp: set recommended min free kbytes")
Signed-off-by: Vijay Balakrishna <vijayb@linux.microsoft.com>
Reviewed-by: Pavel Tatashin <pasha.tatashin@soleen.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Allen Pais <apais@microsoft.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/memory_hotplug.c |    3 ---
 mm/page_alloc.c     |    3 +++
 2 files changed, 3 insertions(+), 3 deletions(-)

--- a/mm/memory_hotplug.c~mm-khugepaged-recalculate-min_free_kbytes-after-memory-hotplug-as-expected-by-khugepaged-v5
+++ a/mm/memory_hotplug.c
@@ -36,7 +36,6 @@
 #include <linux/memblock.h>
 #include <linux/compaction.h>
 #include <linux/rmap.h>
-#include <linux/khugepaged.h>
 
 #include <asm/tlbflush.h>
 
@@ -858,7 +857,6 @@ int __ref online_pages(unsigned long pfn
 	zone_pcp_update(zone);
 
 	init_per_zone_wmark_min();
-	khugepaged_min_free_kbytes_update();
 
 	kswapd_run(nid);
 	kcompactd_run(nid);
@@ -1617,7 +1615,6 @@ static int __ref __offline_pages(unsigne
 	pgdat_resize_unlock(zone->zone_pgdat, &flags);
 
 	init_per_zone_wmark_min();
-	khugepaged_min_free_kbytes_update();
 
 	if (!populated_zone(zone)) {
 		zone_pcp_reset(zone);
--- a/mm/page_alloc.c~mm-khugepaged-recalculate-min_free_kbytes-after-memory-hotplug-as-expected-by-khugepaged-v5
+++ a/mm/page_alloc.c
@@ -69,6 +69,7 @@
 #include <linux/nmi.h>
 #include <linux/psi.h>
 #include <linux/padata.h>
+#include <linux/khugepaged.h>
 
 #include <asm/sections.h>
 #include <asm/tlbflush.h>
@@ -7891,6 +7892,8 @@ int __meminit init_per_zone_wmark_min(vo
 	setup_min_slab_ratio();
 #endif
 
+	khugepaged_min_free_kbytes_update();
+
 	return 0;
 }
 postcore_initcall(init_per_zone_wmark_min)
_

Patches currently in -mm which might be from vijayb@linux.microsoft.com are

mm-khugepaged-recalculate-min_free_kbytes-after-memory-hotplug-as-expected-by-khugepaged.patch
mm-khugepaged-recalculate-min_free_kbytes-after-memory-hotplug-as-expected-by-khugepaged-v5.patch