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| author | David Hildenbrand <david@redhat.com> | 2020-11-11 15:53:19 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-11-19 16:56:59 +1100 |
| commit | 1f73ad3e8d755dbec52fcec98618a7ce4de12af2 (patch) | |
| tree | 4d49050dc7789e0080ae76dcf96e12b1abb5537c /arch/powerpc/mm/mem.c | |
| parent | e5b2af044f31bf18defa557a8cd11c23caefa34c (diff) | |
| download | linux-1f73ad3e8d755dbec52fcec98618a7ce4de12af2.tar.gz | |
powerpc/mm: print warning in arch_remove_linear_mapping()
Let's print a warning similar to in arch_add_linear_mapping() instead of
WARN_ON_ONCE() and eventually crashing the kernel.
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201111145322.15793-6-david@redhat.com
Diffstat (limited to 'arch/powerpc/mm/mem.c')
| -rw-r--r-- | arch/powerpc/mm/mem.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index ca5c4b54c366c..c5755b9efb645 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -150,7 +150,9 @@ void __ref arch_remove_linear_mapping(u64 start, u64 size) mutex_lock(&linear_mapping_mutex); ret = remove_section_mapping(start, start + size); mutex_unlock(&linear_mapping_mutex); - WARN_ON_ONCE(ret); + if (ret) + pr_warn("Unable to remove linear mapping for 0x%llx..0x%llx: %d\n", + start, start + size, ret); /* Ensure all vmalloc mappings are flushed in case they also * hit that section of memory |