From: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> Subject: mm, pcpu: make zone pcp updates and reset internal to the mm Memory hotplug needs to be able to reset and reinit the pcpu allocator batch and high limits but this action is internal to the VM. Move the declaration to internal.h Link: http://lkml.kernel.org/r/20191021094808.28824-4-mgorman@xxxxxxxxxxxxxxxxxxx Signed-off-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> Acked-by: Michal Hocko <mhocko@xxxxxxxx> Acked-by: Vlastimil Babka <vbabka@xxxxxxx> Cc: Borislav Petkov <bp@xxxxxxxxx> Cc: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx> Cc: Qian Cai <cai@xxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/mm.h | 3 --- mm/internal.h | 3 +++ 2 files changed, 3 insertions(+), 3 deletions(-) --- a/include/linux/mm.h~mm-pcpu-make-zone-pcp-updates-and-reset-internal-to-the-mm +++ a/include/linux/mm.h @@ -2207,9 +2207,6 @@ void warn_alloc(gfp_t gfp_mask, nodemask extern void setup_per_cpu_pageset(void); -extern void zone_pcp_update(struct zone *zone); -extern void zone_pcp_reset(struct zone *zone); - /* page_alloc.c */ extern int min_free_kbytes; extern int watermark_boost_factor; --- a/mm/internal.h~mm-pcpu-make-zone-pcp-updates-and-reset-internal-to-the-mm +++ a/mm/internal.h @@ -165,6 +165,9 @@ extern void post_alloc_hook(struct page gfp_t gfp_flags); extern int user_min_free_kbytes; +extern void zone_pcp_update(struct zone *zone); +extern void zone_pcp_reset(struct zone *zone); + #if defined CONFIG_COMPACTION || defined CONFIG_CMA /* _
