Re: [RFC/PATCH] pfn_valid() more generic : arch independent part[0/2]

From: Martin J. Bligh <>
Date: 2004-10-07 01:14:08
> This is generic parts.
> Boot-time routine:
> At first, information of valid pages is gathered into a list.
> After gathering all information, 2 level table are created.
> Why I create table instead of using a list is only for good cache hit.
> pfn_valid_init()  <- initilize some structures
> validate_pages(start,size) <- gather valid pfn information
> pfn_valid_setup() <- create 1st and 2nd table.

Boggle. what on earth are you trying to do?

pfn_valid does exactly one thing - it checks whether there is a struct
page for that pfn. Nothing else. Surely that can't possibly take a tenth
of this amount of code?


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Received on Wed Oct 6 11:19:44 2004

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