Re: [PATCH 6/6] Break out memory initialisation code from page_alloc.c to mem_init.c

On Tue, 11 Apr 2006, Nick Piggin wrote:

Mel Gorman wrote:

page_alloc.c contains a large amount of memory initialisation code. This patch

breaks out the initialisation code to a separate file to make page_alloc.c
a bit easier to read.

Seems like a very good idea to me.

If there is interest in treating this separetly, it can be broken out as a standalone patch. In this form, it depends on the first patch from the set.

+/*
+ * mm/mem_init.c

+ * Initialises the architecture independant view of memory. pgdats, zones, etc

+ *
+ *  Copyright (C) 1991, 1992, 1993, 1994  Linus Torvalds
+ *  Swap reorganised 29.12.95, Stephen Tweedie
+ *  Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999
+ *  Reshaped it to be a zoned allocator, Ingo Molnar, Red Hat, 1999
+ *  Discontiguous memory support, Kanoj Sarcar, SGI, Nov 1999
+ *  Zone balancing, Kanoj Sarcar, SGI, Jan 2000

+ * Per cpu hot/cold page lists, bulk allocation, Martin J. Bligh, Sept 2002

+ *	(lots of bits borrowed from Ingo Molnar & Andrew Morton)

+ * Arch-independant zone size and hole calculation, Mel Gorman, IBM, Apr 2006

+ *	(lots of bits taken from architecture code)
+ */

Maybe drop the duplicated changelog? (just retain copyrights I guess)

Makes sense.

+ *  Copyright (C) 1991, 1992, 1993, 1994  Linus Torvalds
+ *  Copyright (C) 1995, Stephen Tweedie
+ *  Copyright (C) July 1999, Gerhard Wichert, Siemens AG
+ *  Copyright (C) 1999, Ingo Molnar, Red Hat
+ *  Copyright (C) 1999, 2000, Kanoj Sarcar, SGI
+ *  Copyright (C) Sept 2000, Martin J. Bligh
+ *     (lots of bits borrowed from Ingo Molnar & Andrew Morton)
+ *  Copyright (C) Apr 2006, Mel Gorman, IBM
+ *     (lots of bits taken from architecture-specific code)


--
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab
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---

• References:
  • [PATCH 0/6] [RFC] Sizing zones and holes in an architecture independent manner
    • From: Mel Gorman <[email protected]>
  • [PATCH 6/6] Break out memory initialisation code from page_alloc.c to mem_init.c
    • From: Mel Gorman <[email protected]>
  • Re: [PATCH 6/6] Break out memory initialisation code from page_alloc.c to mem_init.c
    • From: Nick Piggin <[email protected]>

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