dedup, uffd: remove -1 handling for seep_pagemap_page return value
dedup, uffd: remove -1 handling for seep_pagemap_page return value

The return value of seep_pagemap_page can be either 1 (page found) or 0 (no
page found). There's no point in checking its return value for -1.

Signed-off-by: Mike Rapoport <6432ce95675be77d61ce23efe20f472ee21e9f31@linux.vnet.ibm.com>
Signed-off-by: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@virtuozzo.com>

eabatalov/criu,eabatalov/criu,eabatalov/criu,eabatalov/criu,eabatalov/criu,eabatalov/criu