[PATCH v2 6/8] powerepc/book3s64/hash: drop WARN_ON in hash__remove_section_mapping

[David Hildenbrand]

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 <osalva...@suse.de>
Cc: Michael Ellerman <m...@ellerman.id.au>
Cc: Benjamin Herrenschmidt <b...@kernel.crashing.org>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Rashmica Gupta <rashmic...@gmail.com>
Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Mike Rapoport <r...@kernel.org>
Cc: Michal Hocko <mho...@suse.com>
Cc: Oscar Salvador <osalva...@suse.de>
Cc: Wei Yang <richard.weiy...@linux.alibaba.com>
Cc: "Aneesh Kumar K.V" <aneesh.ku...@linux.ibm.com>
Cc: Nicholas Piggin <npig...@gmail.com>
Signed-off-by: David Hildenbrand <da...@redhat.com>
---
 arch/powerpc/mm/book3s64/hash_utils.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/powerpc/mm/book3s64/hash_utils.c 
b/arch/powerpc/mm/book3s64/hash_utils.c
index 24702c0a92e0..d2dcb7757c68 100644
--- a/arch/powerpc/mm/book3s64/hash_utils.c
+++ b/arch/powerpc/mm/book3s64/hash_utils.c
@@ -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");
-- 
2.26.2