[PATCH v2 6/8] powerepc/book3s64/hash: drop WARN_ON in hash__remove_section_mapping
From: David Hildenbrand <hidden>
Date: 2020-11-11 14:54:03
Also in:
linux-mm, lkml
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
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> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <redacted> Cc: Rashmica Gupta <redacted> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Mike Rapoport <rppt@kernel.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Oscar Salvador <osalvador@suse.de> Cc: Wei Yang <redacted> Cc: "Aneesh Kumar K.V" <redacted> Cc: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: David Hildenbrand <redacted> --- 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