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Message-ID: <567ddadb-dc4b-e016-b0d6-947e7e1381b3@redhat.com>
Date: Fri, 22 Jan 2021 09:46:05 +0100
From: David Hildenbrand <david@...hat.com>
To: Baoquan He <bhe@...hat.com>, linux-kernel@...r.kernel.org
Cc: linux-mm@...ck.org, akpm@...ux-foundation.org, rppt@...nel.org
Subject: Re: [PATCH v4 1/4] mm: rename memmap_init() and memmap_init_zone()
On 20.01.21 05:52, Baoquan He wrote:
> The current memmap_init_zone() only handles memory region inside one zone,
> actually memmap_init() does the memmap init of one zone. So rename both of
> them accordingly.
>
> Signed-off-by: Baoquan He <bhe@...hat.com>
> ---
> arch/ia64/include/asm/pgtable.h | 2 +-
> arch/ia64/mm/init.c | 6 +++---
> include/linux/mm.h | 2 +-
> mm/memory_hotplug.c | 2 +-
> mm/page_alloc.c | 8 ++++----
> 5 files changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/arch/ia64/include/asm/pgtable.h b/arch/ia64/include/asm/pgtable.h
> index 779b6972aa84..dce2ff37df65 100644
> --- a/arch/ia64/include/asm/pgtable.h
> +++ b/arch/ia64/include/asm/pgtable.h
> @@ -520,7 +520,7 @@ extern struct page *zero_page_memmap_ptr;
>
> # ifdef CONFIG_VIRTUAL_MEM_MAP
> /* arch mem_map init routine is needed due to holes in a virtual mem_map */
> - extern void memmap_init (unsigned long size, int nid, unsigned long zone,
> + extern void memmap_init_zone(unsigned long size, int nid, unsigned long zone,
> unsigned long start_pfn);
> # endif /* CONFIG_VIRTUAL_MEM_MAP */
> # endif /* !__ASSEMBLY__ */
> diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
> index e76386a3479e..c8e68e92beb3 100644
> --- a/arch/ia64/mm/init.c
> +++ b/arch/ia64/mm/init.c
> @@ -535,18 +535,18 @@ virtual_memmap_init(u64 start, u64 end, void *arg)
> / sizeof(struct page));
>
> if (map_start < map_end)
> - memmap_init_zone((unsigned long)(map_end - map_start),
> + memmap_init_range((unsigned long)(map_end - map_start),
> args->nid, args->zone, page_to_pfn(map_start), page_to_pfn(map_end),
> MEMINIT_EARLY, NULL, MIGRATE_MOVABLE);
> return 0;
> }
>
> void __meminit
> -memmap_init (unsigned long size, int nid, unsigned long zone,
> +memmap_init_zone(unsigned long size, int nid, unsigned long zone,
> unsigned long start_pfn)
> {
> if (!vmem_map) {
> - memmap_init_zone(size, nid, zone, start_pfn, start_pfn + size,
> + memmap_init_range(size, nid, zone, start_pfn, start_pfn + size,
> MEMINIT_EARLY, NULL, MIGRATE_MOVABLE);
> } else {
> struct page *start;
> diff --git a/include/linux/mm.h b/include/linux/mm.h
> index 3dac7bc667ee..56bb239f9150 100644
> --- a/include/linux/mm.h
> +++ b/include/linux/mm.h
> @@ -2398,7 +2398,7 @@ extern int __meminit early_pfn_to_nid(unsigned long pfn);
> #endif
>
> extern void set_dma_reserve(unsigned long new_dma_reserve);
> -extern void memmap_init_zone(unsigned long, int, unsigned long,
> +extern void memmap_init_range(unsigned long, int, unsigned long,
> unsigned long, unsigned long, enum meminit_context,
> struct vmem_altmap *, int migratetype);
> extern void setup_per_zone_wmarks(void);
> diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
> index f9d57b9be8c7..ddcb1cd24c60 100644
> --- a/mm/memory_hotplug.c
> +++ b/mm/memory_hotplug.c
> @@ -713,7 +713,7 @@ void __ref move_pfn_range_to_zone(struct zone *zone, unsigned long start_pfn,
> * expects the zone spans the pfn range. All the pages in the range
> * are reserved so nobody should be touching them so we should be safe
> */
> - memmap_init_zone(nr_pages, nid, zone_idx(zone), start_pfn, 0,
> + memmap_init_range(nr_pages, nid, zone_idx(zone), start_pfn, 0,
> MEMINIT_HOTPLUG, altmap, migratetype);
>
> set_zone_contiguous(zone);
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 44ec5594798d..42a1d2d2a87d 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -6117,7 +6117,7 @@ overlap_memmap_init(unsigned long zone, unsigned long *pfn)
> * (usually MIGRATE_MOVABLE). Besides setting the migratetype, no related
> * zone stats (e.g., nr_isolate_pageblock) are touched.
> */
> -void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone,
> +void __meminit memmap_init_range(unsigned long size, int nid, unsigned long zone,
> unsigned long start_pfn, unsigned long zone_end_pfn,
> enum meminit_context context,
> struct vmem_altmap *altmap, int migratetype)
> @@ -6254,7 +6254,7 @@ static void __meminit zone_init_free_lists(struct zone *zone)
> }
> }
>
> -void __meminit __weak memmap_init(unsigned long size, int nid,
> +void __meminit __weak memmap_init_zone(unsigned long size, int nid,
> unsigned long zone,
> unsigned long range_start_pfn)
> {
> @@ -6268,7 +6268,7 @@ void __meminit __weak memmap_init(unsigned long size, int nid,
>
> if (end_pfn > start_pfn) {
> size = end_pfn - start_pfn;
> - memmap_init_zone(size, nid, zone, start_pfn, range_end_pfn,
> + memmap_init_range(size, nid, zone, start_pfn, range_end_pfn,
> MEMINIT_EARLY, NULL, MIGRATE_MOVABLE);
> }
> }
> @@ -6978,7 +6978,7 @@ static void __init free_area_init_core(struct pglist_data *pgdat)
> set_pageblock_order();
> setup_usemap(pgdat, zone, zone_start_pfn, size);
> init_currently_empty_zone(zone, zone_start_pfn, size);
> - memmap_init(size, nid, j, zone_start_pfn);
> + memmap_init_zone(size, nid, j, zone_start_pfn);
> }
> }
>
>
Reviewed-by: David Hildenbrand <david@...hat.com>
--
Thanks,
David / dhildenb
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