Re: [PATCH -next] nvdimm: Remove duplicate linux/slab.h header

[Ira Weiny]

Alison Schofield wrote:
> On Sun, Sep 28, 2025 at 09:31:10AM +0800, Jiapeng Chong wrote:
> > ./drivers/nvdimm/bus.c: linux/slab.h is included more than once.
> 
> Hi Jiapeng,
> 
> It would have been useful here to note where else slab.h was included,
> since it wasn't simply a duplicate #include in bus.c.

Actually Alison this is a bug against linux-next where it was an issue
with Dave's patch here:

https://lore.kernel.org/all/20250923174013.3319780-3-dave.jiang@xxxxxxxxx/

I'll queue this up.

Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx>

Thanks,
Ira

> 
> I found slab.h is also in #include <linux/fs.h>. Then I found that this
> compiles if I remove both of those includes. It would be worthwhile to
> check all the includes and send a new tested version of this patch that
> does this "Remove needless #include's in bus.c"
> 
> BTW - I didn't check all #includes.There may be more beyond slab.h & fs.h.
> 
> --Alison
> 
> > 
> > Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
> > Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=25516
> > Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
> > ---
> >  drivers/nvdimm/bus.c | 1 -
> >  1 file changed, 1 deletion(-)
> > 
> > diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
> > index ad3a0493f474..87178a53ff9c 100644
> > --- a/drivers/nvdimm/bus.c
> > +++ b/drivers/nvdimm/bus.c
> > @@ -13,7 +13,6 @@
> >  #include <linux/async.h>
> >  #include <linux/ndctl.h>
> >  #include <linux/sched.h>
> > -#include <linux/slab.h>
> >  #include <linux/cpu.h>
> >  #include <linux/fs.h>
> >  #include <linux/io.h>
> > -- 
> > 2.43.5
> > 
> >