Re: [PATCH] 2/2 Prezeroing large blocks of pages during allocation Version 4

From: KAMEZAWA Hiroyuki (kamezawa.hiroyu_at_jp.fujitsu.com)
Date: 03/08/05

  • Next message: Matt Mackall: "Re: [PATCH] unified device list allocator" 
    Date:	Tue, 08 Mar 2005 15:14:23 +0900
To: Mel Gorman <mel@csn.ul.ie>

    Hi,

    Mel Gorman wrote:

    >+#define BITS_PER_ALLOC_TYPE 5
    > #define ALLOC_KERNNORCLM 0
    > #define ALLOC_KERNRCLM 1
    > #define ALLOC_USERRCLM 2
    > #define ALLOC_FALLBACK 3
    >+#define ALLOC_USERZERO 4
    >+#define ALLOC_KERNZERO 5
    >

    Now, 5bits per MAX_ORDER pages.
    I think it is simpler to use "char[]" for representing type of memory
    alloc type than bitmap.

    Thanks
    -- Kame <kamezawa.hiroyu@jp.fujitsu.com>

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  • Next message: Matt Mackall: "Re: [PATCH] unified device list allocator"