From: sergey.senozhatsky@gmail.com (Sergey Senozhatsky)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: mm: Speed up page list initialization during boot
Date: Thu, 16 Jun 2016 22:36:38 +0900 [thread overview]
Message-ID: <20160616133638.GA523@swordfish> (raw)
In-Reply-To: <20160616021813.GB658@swordfish>
On (06/16/16 11:18), Sergey Senozhatsky wrote:
> On (01/05/16 18:56), Jungseung Lee wrote:
> [..]
> > > > >> #ifdef CONFIG_HIGHMEM
> > > > >> static inline void free_area_high(unsigned long pfn, unsigned long
> > > > >>end) {
> > > > >>- for (; pfn < end; pfn++)
> > > > >>- free_highmem_page(pfn_to_page(pfn));
> > > > >>+ while (pfn < end) {
> > > > >>+ struct page *page = pfn_to_page(pfn);
> > > > >>+ unsigned long order = min(__ffs(pfn), MAX_ORDER - 1);
> > > > >>+ unsigned long nr_pages = 1 << order;
> > > > >>+ unsigned long rem = end - pfn;
> > > > >>+
> > > > >>+ if (nr_pages > rem) {
> > > > >>+ order = __fls(rem);
> > > > >>+ nr_pages = 1 << order;
> > > > >>+ }
> > > > >>+
> > > > >>+ __free_pages_bootmem(page, order);
> > > > >>+ totalram_pages += nr_pages;
> > > > >>+ totalhigh_pages += nr_pages;
>
> + page_zone(page)->managed_pages += nr_pages; ???
ah, no. __free_pages_boot_core() seems to do it. sorry for the noise.
-ss
WARNING: multiple messages have this Message-ID (diff)
From: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
To: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Cc: 'Chirantan Ekbote' <chirantan@chromium.org>,
Jungseung Lee <js07.lee@samsung.com>,
'Russell King - ARM Linux' <linux@arm.linux.org.uk>,
linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org,
js07.lee@gmail.com,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Subject: Re: [PATCH] ARM: mm: Speed up page list initialization during boot
Date: Thu, 16 Jun 2016 22:36:38 +0900 [thread overview]
Message-ID: <20160616133638.GA523@swordfish> (raw)
In-Reply-To: <20160616021813.GB658@swordfish>
On (06/16/16 11:18), Sergey Senozhatsky wrote:
> On (01/05/16 18:56), Jungseung Lee wrote:
> [..]
> > > > >> #ifdef CONFIG_HIGHMEM
> > > > >> static inline void free_area_high(unsigned long pfn, unsigned long
> > > > >>end) {
> > > > >>- for (; pfn < end; pfn++)
> > > > >>- free_highmem_page(pfn_to_page(pfn));
> > > > >>+ while (pfn < end) {
> > > > >>+ struct page *page = pfn_to_page(pfn);
> > > > >>+ unsigned long order = min(__ffs(pfn), MAX_ORDER - 1);
> > > > >>+ unsigned long nr_pages = 1 << order;
> > > > >>+ unsigned long rem = end - pfn;
> > > > >>+
> > > > >>+ if (nr_pages > rem) {
> > > > >>+ order = __fls(rem);
> > > > >>+ nr_pages = 1 << order;
> > > > >>+ }
> > > > >>+
> > > > >>+ __free_pages_bootmem(page, order);
> > > > >>+ totalram_pages += nr_pages;
> > > > >>+ totalhigh_pages += nr_pages;
>
> + page_zone(page)->managed_pages += nr_pages; ???
ah, no. __free_pages_boot_core() seems to do it. sorry for the noise.
-ss
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next prev parent reply other threads:[~2016-06-16 13:36 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <004001d14158$114be8d0$33e3ba70$@samsung.com>
2015-12-28 10:15 ` [PATCH] ARM: mm: Speed up page list initialization during boot Jungseung Lee
2015-12-28 10:15 ` Jungseung Lee
2015-12-31 13:05 ` Chirantan Ekbote
2015-12-31 13:05 ` Chirantan Ekbote
2016-01-02 10:37 ` Russell King - ARM Linux
2016-01-02 10:37 ` Russell King - ARM Linux
2016-01-05 9:56 ` Jungseung Lee
2016-01-05 9:56 ` Jungseung Lee
2016-06-16 2:18 ` Sergey Senozhatsky
2016-06-16 2:18 ` Sergey Senozhatsky
2016-06-16 13:36 ` Sergey Senozhatsky [this message]
2016-06-16 13:36 ` Sergey Senozhatsky
2014-03-21 19:15 Chirantan Ekbote
2014-03-21 19:15 ` Chirantan Ekbote
2014-03-21 19:15 ` Chirantan Ekbote
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