mm/swap_slots.c: add warning if swap slots cache failed to initialize

Add a warning diagnostics to user if we failed to allocate swap slots
cache and use it.

[[email protected]: use WARN_ONCE return value, fix grammar in message]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Tim Chen <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions