From: Mike Rapoport <rppt@kernel.org>
To: Baoquan He <bhe@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
akpm@linux-foundation.org, gopakumarr@vmware.com,
david@redhat.com
Subject: Re: [PATCH v2 4/5] mm: simplify parameter of setup_usemap()
Date: Mon, 21 Dec 2020 08:34:47 +0200 [thread overview]
Message-ID: <20201221063447.GF392325@kernel.org> (raw)
In-Reply-To: <20201220082754.6900-5-bhe@redhat.com>
On Sun, Dec 20, 2020 at 04:27:53PM +0800, Baoquan He wrote:
> Parameter 'zone' has got needed information, let's remove other
> unnecessary parameters.
>
> Signed-off-by: Baoquan He <bhe@redhat.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
> ---
> mm/page_alloc.c | 17 +++++++----------
> 1 file changed, 7 insertions(+), 10 deletions(-)
>
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 7a6626351ed7..7f0a917ab858 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -6824,25 +6824,22 @@ static unsigned long __init usemap_size(unsigned long zone_start_pfn, unsigned l
> return usemapsize / 8;
> }
>
> -static void __ref setup_usemap(struct pglist_data *pgdat,
> - struct zone *zone,
> - unsigned long zone_start_pfn,
> - unsigned long zonesize)
> +static void __ref setup_usemap(struct zone *zone)
> {
> - unsigned long usemapsize = usemap_size(zone_start_pfn, zonesize);
> + unsigned long usemapsize = usemap_size(zone->zone_start_pfn,
> + zone->spanned_pages);
> zone->pageblock_flags = NULL;
> if (usemapsize) {
> zone->pageblock_flags =
> memblock_alloc_node(usemapsize, SMP_CACHE_BYTES,
> - pgdat->node_id);
> + zone_to_nid(zone));
> if (!zone->pageblock_flags)
> panic("Failed to allocate %ld bytes for zone %s pageblock flags on node %d\n",
> - usemapsize, zone->name, pgdat->node_id);
> + usemapsize, zone->name, zone_to_nid(zone));
> }
> }
> #else
> -static inline void setup_usemap(struct pglist_data *pgdat, struct zone *zone,
> - unsigned long zone_start_pfn, unsigned long zonesize) {}
> +static inline void setup_usemap(struct zone *zone) {}
> #endif /* CONFIG_SPARSEMEM */
>
> #ifdef CONFIG_HUGETLB_PAGE_SIZE_VARIABLE
> @@ -7037,7 +7034,7 @@ static void __init free_area_init_core(struct pglist_data *pgdat)
> continue;
>
> set_pageblock_order();
> - setup_usemap(pgdat, zone, zone_start_pfn, size);
> + setup_usemap(zone);
> init_currently_empty_zone(zone, zone_start_pfn, size);
> memmap_init_zone(zone);
> }
> --
> 2.17.2
>
--
Sincerely yours,
Mike.
next prev parent reply other threads:[~2020-12-21 6:34 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-20 8:27 [PATCH v2 0/5] Fix the incorrect memmep defer init handling and do some cleanup Baoquan He
2020-12-20 8:27 ` [PATCH v2 1/5] mm: memmap defer init dosn't work as expected Baoquan He
2020-12-21 6:32 ` Mike Rapoport
2020-12-20 8:27 ` [PATCH v2 2/5] mm: rename memmap_init() and memmap_init_zone() Baoquan He
2020-12-21 6:33 ` Mike Rapoport
2020-12-20 8:27 ` [PATCH v2 3/5] mm: simplify parater of function memmap_init_zone() Baoquan He
2020-12-21 6:34 ` Mike Rapoport
2020-12-20 8:27 ` [PATCH v2 4/5] mm: simplify parameter of setup_usemap() Baoquan He
2020-12-21 6:34 ` Mike Rapoport [this message]
2020-12-20 8:27 ` [PATCH v2 5/5] mm: remove unneeded local variable in free_area_init_core Baoquan He
2020-12-21 6:35 ` Mike Rapoport
2020-12-23 1:46 ` [PATCH v2 0/5] Fix the incorrect memmep defer init handling and do some cleanup Andrew Morton
2020-12-23 2:05 ` Baoquan He
2020-12-23 8:12 ` Baoquan He
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