From: Baoquan He <bhe@redhat.com>
To: Mike Rapoport <rppt@kernel.org>
Cc: linux-kernel@vger.kernel.org,
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Mike Rapoport <rppt@linux.ibm.com>
Subject: Re: [PATCH 02/21] mm: make early_pfn_to_nid() and related defintions close to each other
Date: Tue, 21 Apr 2020 17:33:43 +0800 [thread overview]
Message-ID: <20200421093343.GR4247@MiWiFi-R3L-srv> (raw)
In-Reply-To: <20200421084935.GB14260@kernel.org>
On 04/21/20 at 11:49am, Mike Rapoport wrote:
> On Tue, Apr 21, 2020 at 10:24:35AM +0800, Baoquan He wrote:
> > On 04/12/20 at 10:48pm, Mike Rapoport wrote:
> > > From: Mike Rapoport <rppt@linux.ibm.com>
> > >
> > > The early_pfn_to_nid() and it's helper __early_pfn_to_nid() are spread
> > > around include/linux/mm.h, include/linux/mmzone.h and mm/page_alloc.c.
> > >
> > > Drop unused stub for __early_pfn_to_nid() and move its actual generic
> > > implementation close to its users.
> > >
> > > Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
> > > ---
> > > include/linux/mm.h | 4 ++--
> > > include/linux/mmzone.h | 9 --------
> > > mm/page_alloc.c | 51 +++++++++++++++++++++---------------------
> > > 3 files changed, 27 insertions(+), 37 deletions(-)
> > >
> > > diff --git a/include/linux/mm.h b/include/linux/mm.h
> > > index 5a323422d783..a404026d14d4 100644
> > > --- a/include/linux/mm.h
> > > +++ b/include/linux/mm.h
> > > @@ -2388,9 +2388,9 @@ extern void sparse_memory_present_with_active_regions(int nid);
> > >
> > > #if !defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP) && \
> > > !defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID)
> > > -static inline int __early_pfn_to_nid(unsigned long pfn,
> > > - struct mminit_pfnnid_cache *state)
> > > +static inline int early_pfn_to_nid(unsigned long pfn)
> > > {
> > > + BUILD_BUG_ON(IS_ENABLED(CONFIG_NUMA));
> > > return 0;
> > > }
> >
> > It's better to make a separate patch to drop __early_pfn_to_nid() here.
>
> Not sure it's really worth it.
> This patch anyway only moves the code around without any actual changes.
OK, it's fine to me.
next prev parent reply other threads:[~2020-04-21 9:34 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-12 19:48 [PATCH 00/21] mm: rework free_area_init*() funcitons Mike Rapoport
2020-04-12 19:48 ` [PATCH 01/21] mm: memblock: replace dereferences of memblock_region.nid with API calls Mike Rapoport
2020-04-21 2:06 ` Baoquan He
2020-04-12 19:48 ` [PATCH 02/21] mm: make early_pfn_to_nid() and related defintions close to each other Mike Rapoport
2020-04-21 2:24 ` Baoquan He
2020-04-21 8:49 ` Mike Rapoport
2020-04-21 9:33 ` Baoquan He [this message]
2020-04-21 3:31 ` Baoquan He
2020-04-21 8:39 ` Mike Rapoport
2020-04-12 19:48 ` [PATCH 03/21] mm: remove CONFIG_HAVE_MEMBLOCK_NODE_MAP option Mike Rapoport
2020-04-21 4:23 ` Baoquan He
2020-04-21 9:09 ` Mike Rapoport
2020-04-21 9:45 ` Baoquan He
2020-04-12 19:48 ` [PATCH 04/21] mm: free_area_init: use maximal zone PFNs rather than zone sizes Mike Rapoport
2020-04-22 23:41 ` Baoquan He
2020-06-15 3:53 ` Greg Ungerer
2020-06-15 6:22 ` Mike Rapoport
2020-06-15 7:17 ` Greg Ungerer
2020-06-15 8:29 ` Mike Rapoport
2020-06-15 13:02 ` Greg Ungerer
2020-04-12 19:48 ` [PATCH 05/21] mm: use free_area_init() instead of free_area_init_nodes() Mike Rapoport
2020-04-23 0:02 ` Baoquan He
2020-04-12 19:48 ` [PATCH 06/21] alpha: simplify detection of memory zone boundaries Mike Rapoport
2020-04-12 19:48 ` [PATCH 07/21] arm: " Mike Rapoport
2020-04-12 19:48 ` [PATCH 08/21] arm64: simplify detection of memory zone boundaries for UMA configs Mike Rapoport
2020-04-12 19:48 ` [PATCH 09/21] csky: simplify detection of memory zone boundaries Mike Rapoport
2020-04-12 19:48 ` [PATCH 10/21] m68k: mm: " Mike Rapoport
2020-04-12 19:48 ` [PATCH 11/21] parisc: " Mike Rapoport
2020-04-12 19:48 ` [PATCH 12/21] sparc32: " Mike Rapoport
2020-04-12 19:48 ` [PATCH 13/21] unicore32: " Mike Rapoport
2020-04-12 19:48 ` [PATCH 14/21] xtensa: " Mike Rapoport
2020-04-12 19:48 ` [PATCH 15/21] mm: memmap_init: iterate over memblock regions rather that check each PFN Mike Rapoport
2020-04-20 14:26 ` Qian Cai
2020-04-24 7:22 ` David Hildenbrand
2020-04-25 16:49 ` Mike Rapoport
2020-04-12 19:48 ` [PATCH 16/21] mm: remove early_pfn_in_nid() and CONFIG_NODES_SPAN_OTHER_NODES Mike Rapoport
2020-04-23 1:13 ` Baoquan He
2020-04-23 5:50 ` Mike Rapoport
2020-05-18 21:38 ` Hoan Tran
2020-04-12 19:48 ` [PATCH 17/21] mm: free_area_init: allow defining max_zone_pfn in descending order Mike Rapoport
2020-04-23 2:53 ` Baoquan He
2020-04-23 2:57 ` Baoquan He
2020-04-23 5:55 ` Mike Rapoport
2020-04-24 0:33 ` Baoquan He
2020-04-12 19:48 ` [PATCH 18/21] mm: rename free_area_init_node() to free_area_init_memoryless_node() Mike Rapoport
2020-04-23 3:14 ` Baoquan He
2020-04-23 6:18 ` Mike Rapoport
2020-04-12 19:48 ` [PATCH 19/21] mm: clean up free_area_init_node() and its helpers Mike Rapoport
2020-04-12 19:48 ` [PATCH 20/21] mm: simplify find_min_pfn_with_active_regions() Mike Rapoport
2020-04-12 19:48 ` [PATCH 21/21] docs/vm: update memory-models documentation Mike Rapoport
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