Commit 68265390 authored Nov 30, 2019 by Mel Gorman Committed by Linus Torvalds Dec 01, 2019

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@techsingularity.net


Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Qian Cai <cai@lca.pw>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent cb1ef534

include/linux/mm.h

+0 −3

Original line number	Diff line number	Diff line
		@@ -2207,9 +2207,6 @@ void warn_alloc(gfp_t gfp_mask, nodemask_t nodemask, const char fmt, ...);

		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;

mm/internal.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -165,6 +165,9 @@ extern void post_alloc_hook(struct page *page, unsigned int order,
		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

		/*

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