Re: [RFC 01/11] mm: use SWAP_SUCCESS instead of 0

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Mar 02, 2017 at 07:57:10PM +0530, Anshuman Khandual wrote:
> On 03/02/2017 12:09 PM, Minchan Kim wrote:
> > SWAP_SUCCESS defined value 0 can be changed always so don't rely on
> > it. Instead, use explict macro.
> 
> Right. But should not we move the changes to the callers last in the
> patch series after doing the cleanup to the try_to_unmap() function
> as intended first.

I don't understand what you are pointing out. Could you elaborate it
a bit?

Thanks.

> 
> > > Cc: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx>
> > Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>
> > ---
> >  mm/huge_memory.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/mm/huge_memory.c b/mm/huge_memory.c
> > index 092cc5c..fe2ccd4 100644
> > --- a/mm/huge_memory.c
> > +++ b/mm/huge_memory.c
> > @@ -2114,7 +2114,7 @@ static void freeze_page(struct page *page)
> >  		ttu_flags |= TTU_MIGRATION;
> >  
> >  	ret = try_to_unmap(page, ttu_flags);
> > -	VM_BUG_ON_PAGE(ret, page);
> > +	VM_BUG_ON_PAGE(ret != SWAP_SUCCESS, page);
> >  }
> >  
> >  static void unfreeze_page(struct page *page)
> > 
> 
> --
> To unsubscribe, send a message with 'unsubscribe linux-mm' in
> the body to majordomo@xxxxxxxxx.  For more info on Linux MM,
> see: http://www.linux-mm.org/ .
> Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>



[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [eCos]     [Asterisk Internet PBX]     [Linux API]
  Powered by Linux