From: owner-linux...@kvack.org On Behalf Of Matthew Wilcox
>
> On Mon, May 21, 2018 at 11:20:31PM +0800, Huaisheng Ye wrote:
> > @@ -343,7 +343,7 @@ static void destroy_cache(struct zs_pool *pool)
> > static unsigned long cache_alloc_handle(struct zs_pool *pool, gfp_t gfp)
> > {
> > return (unsigned long)kmem_cache_alloc(pool->handle_cachep,
> > - gfp & ~(__GFP_HIGHMEM|__GFP_MOVABLE));
> > + gfp & ~__GFP_ZONE_MOVABLE);
> > }
>
> This should be & ~GFP_ZONEMASK
>
> Actually, we should probably have a function to clear those bits rather
> than have every driver manipulating the gfp mask like this. Maybe
>
> #define gfp_normal(gfp) ((gfp) & ~GFP_ZONEMASK)
Good idea!
>
> return (unsigned long)kmem_cache_alloc(pool->handle_cachep,
> - gfp & ~(__GFP_HIGHMEM|__GFP_MOVABLE));
> + gfp_normal(gfp));
Sincerely,
Huaisheng Ye
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