Re: file readahead

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On Sun, 23 Sep 2007 23:09:55 +0530
"MITHUN SHOKHWAL" <mshokhwal@xxxxxxxxx> wrote:

> Does any body has any idea about the present state related to
> contiguous allocation for file readahead and batching and locking..And
> how it related to VM. Is the allocation on physical memory or the
> virtual memory.

No, memory allocation is related to neither.

Page cache memory gets spread out across memory and the
filesystem and block layer are told to simply do scatter
gather.

-- 
"Debugging is twice as hard as writing the code in the first place.
Therefore, if you write the code as cleverly as possible, you are,
by definition, not smart enough to debug it." - Brian W. Kernighan

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