mm: memcg: rename memcg_oom_recover()

mm: memcg: rename memcg_oom_recover()

Rename memcg_oom_recover() into memcg1_oom_recover() for consistency with
other memory cgroup v1-related functions.

Move the declaration in mm/memcontrol-v1.h to be nearby other memcg v1 oom
handling functions.

Link: https://lkml.kernel.org/r/20240625005906.106920-10-roman.gushchin@linux.dev
Signed-off-by: Roman Gushchin <roman.gushchin@linux.dev>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Muchun Song <muchun.song@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>