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    SubjectRe: [PATCH 2.6.21] cramfs: add cramfs Linear XIP
    Date
    On Tuesday 22 May 2007 23:09:39 Richard Griffiths wrote:
    > Venerable cramfs fs Linear XIP patch originally from MontaVista, used in
    > the embedded Linux community for years, updated for 2.6.21. Tested on
    > several systems with NOR Flash. PXA270, TI OMAP2430, ARM Versatile and
    > Freescale iMX31ADS.

    > +#else /* CONFIG_CRAMFS_LINEAR */
    > + /*
    > + * The physical location of the cramfs image is specified as
    > + * a mount parameter. This parameter is mandatory for obvious

    You've used spaces here instead of tabs, probably worth replacing.

    > +/*
    > + * We hold the mm semaphore for reading and vma->vm_mm->page_table_lock
    > + */
    > +static inline void break_cow(struct vm_area_struct * vma, struct page *
    new_page, unsigned long address,
    > + pte_t *page_table)
    > +{
    > + pte_t entry;

    Here again.

    > + /*
    > + * Handle COW of XIP memory.
    > + * Note that the source memory actually isn't a ram
    > + * page so no struct page is associated to the
    source
    > + * pte.
    > + */

    This whole section too.

    --
    Cheers,
    Alistair.

    Final year Computer Science undergraduate.
    1F2 55 South Clerk Street, Edinburgh, UK.
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