Re: Kernel 5.2.11 dpes not compile

[Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>]

On (08/29/19 14:28), Jiri Slaby wrote:
[..]
> as is its definition in the structure (and its other uses).
> 
> > ./include/linux/wait.h:67:26: note: in definition of macro ‘init_waitqueue_head’
> >    __init_waitqueue_head((wq_head), #wq_head, &__key);  \
> >                           ^~~~~~~
> > scripts/Makefile.build:278: recipe for target 'mm/zsmalloc.o' failed
> > make[1]: *** [mm/zsmalloc.o] Error 1
> > Makefile:1073: recipe for target 'mm' failed
> > 
> > You can find my configuration file attached.
> 
> You forgot to attach it, but you have CONFIG_COMPACTION=n, I assume.
> 
> > Does anybody have any idea about this ?
> 
> Sure, this will fix it (or turn on compaction):
> --- a/mm/zsmalloc.c
> +++ b/mm/zsmalloc.c
> @@ -2413,7 +2413,9 @@ struct zs_pool *zs_create_pool(const char *name)
>         if (!pool->name)
>                 goto err;
> 
> +#ifdef CONFIG_COMPACTION
>         init_waitqueue_head(&pool->migration_wait);
> +#endif

The fix is correct. I believe Andrew already has the same patch
in his tree.

	-ss