Re: [PATCH v2] mm/zsmalloc: simplify zs_max_alloc_size handling
From: Minchan Kim
Date: Sun Jul 02 2017 - 22:17:33 EST
Forgot to add Andrew.
On Mon, Jul 03, 2017 at 11:13:12AM +0900, Minchan Kim wrote:
> On Fri, Jun 30, 2017 at 01:48:59PM +0200, Jerome Marchand wrote:
> > Commit 40f9fb8cffc6 ("mm/zsmalloc: support allocating obj with size of
> > ZS_MAX_ALLOC_SIZE") fixes a size calculation error that prevented
> > zsmalloc to allocate an object of the maximal size
> > (ZS_MAX_ALLOC_SIZE). I think however the fix is unneededly
> > complicated.
> > This patch replaces the dynamic calculation of zs_size_classes at init
> > time by a compile time calculation that uses the DIV_ROUND_UP() macro
> > already used in get_size_class_index().
> > Signed-off-by: Jerome Marchand <jmarchan@xxxxxxxxxx>
> Acked-by: Minchan Kim <minchan@xxxxxxxxxx>
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