Messages in this thread | | | Date | Mon, 6 Apr 2009 13:13:48 +0400 | From | Andrey Panin <> | Subject | Re: [PATCH 4/4] add ksm kernel shared memory driver. |
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On 094, 04 04, 2009 at 05:35:22PM +0300, Izik Eidus wrote:
<SNIP>
> +static inline u32 calc_checksum(struct page *page) > +{ > + u32 checksum; > + void *addr = kmap_atomic(page, KM_USER0); > + checksum = jhash(addr, PAGE_SIZE, 17);
Why jhash2() is not used here ? It's faster and leads to smaller code size.
> + kunmap_atomic(addr, KM_USER0); > + return checksum; > +}
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