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 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 and is updated there every 3-4 working days ------------------------------------------------------ From: Vijay Balakrishna <vijayb@xxxxxxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxxx Fixes: f000565adb77 ("thp: set recommended min free kbytes") Signed-off-by: Vijay Balakrishna <vijayb@xxxxxxxxxxxxxxxxxxx> Reviewed-by: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx> Acked-by: Michal Hocko <mhocko@xxxxxxxx> Cc: Allen Pais <apais@xxxxxxxxxxxxx> Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx> Cc: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx> Cc: Oleg Nesterov <oleg@xxxxxxxxxx> Cc: Song Liu <songliubraving@xxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- 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@xxxxxxxxxxxxxxxxxxx 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