From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michal Hocko Date: Mon, 01 Jul 2019 08:52:31 +0000 Subject: Re: [PATCH v3 11/11] mm/memory_hotplug: Remove "zone" parameter from sparse_remove_one_section Message-Id: <20190701085231.GK6376@dhcp22.suse.cz> List-Id: References: <20190527111152.16324-1-david@redhat.com> <20190527111152.16324-12-david@redhat.com> In-Reply-To: <20190527111152.16324-12-david@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: David Hildenbrand Cc: linux-s390@vger.kernel.org, linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org, Wei Yang , linux-mm@kvack.org, Igor Mammedov , akpm@linux-foundation.org, linuxppc-dev@lists.ozlabs.org, Dan Williams , linux-arm-kernel@lists.infradead.org On Mon 27-05-19 13:11:52, David Hildenbrand wrote: > The parameter is unused, so let's drop it. Memory removal paths should > never care about zones. This is the job of memory offlining and will > require more refactorings. > > Reviewed-by: Dan Williams > Signed-off-by: David Hildenbrand Acked-by: Michal Hocko > --- > include/linux/memory_hotplug.h | 2 +- > mm/memory_hotplug.c | 2 +- > mm/sparse.c | 4 ++-- > 3 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h > index 2f1f87e13baa..1a4257c5f74c 100644 > --- a/include/linux/memory_hotplug.h > +++ b/include/linux/memory_hotplug.h > @@ -346,7 +346,7 @@ extern void move_pfn_range_to_zone(struct zone *zone, unsigned long start_pfn, > extern bool is_memblock_offlined(struct memory_block *mem); > extern int sparse_add_one_section(int nid, unsigned long start_pfn, > struct vmem_altmap *altmap); > -extern void sparse_remove_one_section(struct zone *zone, struct mem_section *ms, > +extern void sparse_remove_one_section(struct mem_section *ms, > unsigned long map_offset, struct vmem_altmap *altmap); > extern struct page *sparse_decode_mem_map(unsigned long coded_mem_map, > unsigned long pnum); > diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c > index 82136c5b4c5f..e48ec7b9dee2 100644 > --- a/mm/memory_hotplug.c > +++ b/mm/memory_hotplug.c > @@ -524,7 +524,7 @@ static void __remove_section(struct zone *zone, struct mem_section *ms, > start_pfn = section_nr_to_pfn((unsigned long)scn_nr); > __remove_zone(zone, start_pfn); > > - sparse_remove_one_section(zone, ms, map_offset, altmap); > + sparse_remove_one_section(ms, map_offset, altmap); > } > > /** > diff --git a/mm/sparse.c b/mm/sparse.c > index d1d5e05f5b8d..1552c855d62a 100644 > --- a/mm/sparse.c > +++ b/mm/sparse.c > @@ -800,8 +800,8 @@ static void free_section_usemap(struct page *memmap, unsigned long *usemap, > free_map_bootmem(memmap); > } > > -void sparse_remove_one_section(struct zone *zone, struct mem_section *ms, > - unsigned long map_offset, struct vmem_altmap *altmap) > +void sparse_remove_one_section(struct mem_section *ms, unsigned long map_offset, > + struct vmem_altmap *altmap) > { > struct page *memmap = NULL; > unsigned long *usemap = NULL; > -- > 2.20.1 -- Michal Hocko SUSE Labs