Re: [PATCH] mm/page-writeback.c: fix divide by zero in bdi_dirty_limits

[Rik van Riel]

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On 07/11/2014 04:18 AM, Maxim Patlasov wrote:
> Under memory pressure, it is possible for dirty_thresh, calculated
> by global_dirty_limits() in balance_dirty_pages(), to equal zero.
> Then, if strictlimit is true, bdi_dirty_limits() tries to resolve
> the proportion:
> 
> bdi_bg_thresh : bdi_thresh = background_thresh : dirty_thresh
> 
> by dividing by zero.
> 
> Signed-off-by: Maxim Patlasov <mpatlasov@xxxxxxxxxxxxx>

Acked-by: Rik van Riel <riel@xxxxxxxxxx>

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