On 07/11/2017 12:46 PM, Michal Hocko wrote: > On Tue 11-07-17 08:56:04, Vlastimil Babka wrote: >> On 07/11/2017 08:50 AM, Michal Hocko wrote: >>> On Tue 11-07-17 08:26:40, Vlastimil Babka wrote: >>>> On 07/11/2017 08:03 AM, Michal Hocko wrote: >>>>> >>>>> Are you telling me that two if conditions cause more than a second >>>>> difference? That sounds suspicious. >>>> >>>> It's removing also a call to get_unmapped_area(), AFAICS. That means a >>>> vma search? >>> >>> Ohh, right. I have somehow missed that. Is this removal intentional? >> >> I think it is: "Checking for availability of virtual address range at >> the end of the VMA for the incremental size is also reduntant at this >> point." > > I though this referred to this check > if (vma->vm_next && vma->vm_next->vm_start < end) No, that check is still there in the code. -- 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>
