Re: [PATCH 03/14] fs: Reduce stack usage in __mpage_writepage

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On Fri, Dec 15, 2023 at 08:02:34PM +0000, Matthew Wilcox (Oracle) wrote:
> Some architectures support a very large PAGE_SIZE, so instead of the 8
> pointers we see with a 4kB PAGE_SIZE, we can see 128 pointers with 64kB
> or so many on Hexagon that it trips compiler warnings about exceeding
> stack frame size.
> 
> All we're doing with this array is checking for block contiguity, which we
> can as well do by remembering the address of the first block in the page
> and checking this block is at the appropriate offset from that address.

Looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>




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