powerpc/highmem: Change BUG_ON() to WARN_ON()
authorChristophe Leroy <christophe.leroy@c-s.fr>
Thu, 7 Mar 2019 09:47:50 +0000 (09:47 +0000)
committerMichael Ellerman <mpe@ellerman.id.au>
Sat, 20 Apr 2019 12:02:11 +0000 (22:02 +1000)
commit6c84f8c5cbfb4bf728f88296bc035c4a401c3423
treea0ca2b1823c35b93b67576b75f670423a8e57ccd
parentaf5cd05de5dd38cf25d14ea4d30ae9b791d2420b
powerpc/highmem: Change BUG_ON() to WARN_ON()

In arch/powerpc/mm/highmem.c, BUG_ON() is called only when
CONFIG_DEBUG_HIGHMEM is selected, this means the BUG_ON() is not vital
and can be replaced by a a WARN_ON().

At the same time, use IS_ENABLED() instead of #ifdef to clean a bit.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/mm/highmem.c