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powerpc/book3s64/hash: Drop WARN_ON in hash__remove_section_mapping() 

The single caller (arch_remove_linear_mapping()) prints a proper
warning when this function fails. No need to eventually crash the
kernel - let's drop this WARN_ON.

Suggested-by: Oscar Salvador <osalvador@suse.de>
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/20201111145322.15793-7-david@redhat.com
This commit is contained in:
David Hildenbrand 2020-11-11 15:53:20 +01:00 committed by Michael Ellerman
parent 1f73ad3e8d
commit d8bd9a121c
1 changed files with 0 additions and 1 deletions
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arch/powerpc/mm/book3s64/hash_utils.c
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@ -845,7 +845,6 @@ int hash__remove_section_mapping(unsigned long start, unsigned long end)
{
int rc = htab_remove_mapping(start, end, mmu_linear_psize,
mmu_kernel_ssize);
WARN_ON(rc < 0);
if (resize_hpt_for_hotplug(memblock_phys_mem_size()) == -ENOSPC)
pr_warn("Hash collision while resizing HPT\n");