The patch titled
Subject: drivers-base-memoryc-get-rid-of-find_memory_block_hinted-v3-fix
has been added to the -mm tree. Its filename is
drivers-base-memoryc-get-rid-of-find_memory_block_hinted-v3-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/drivers-base-memoryc-get-rid-of-find_memory_block_hinted-v3-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/drivers-base-memoryc-get-rid-of-find_memory_block_hinted-v3-fix.patch
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------------------------------------------------------
From: David Hildenbrand <david@xxxxxxxxxx>
Subject: drivers-base-memoryc-get-rid-of-find_memory_block_hinted-v3-fix
handle zero-length walks
Link: http://lkml.kernel.org/r/1c2edc22-afd7-2211-c4c7-40e54e5007e8@xxxxxxxxxx
Reported-by: Qian Cai <cai@xxxxxx>
Tested-by: Qian Cai <cai@xxxxxx>
Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/base/memory.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/base/memory.c~drivers-base-memoryc-get-rid-of-find_memory_block_hinted-v3-fix
+++ a/drivers/base/memory.c
@@ -866,6 +866,9 @@ int walk_memory_blocks(unsigned long sta
unsigned long block_id;
int ret = 0;
+ if (!size)
+ return 0;
+
for (block_id = start_block_id; block_id <= end_block_id; block_id++) {
mem = find_memory_block_by_id(block_id);
if (!mem)
_
Patches currently in -mm which might be from david@xxxxxxxxxx are
mm-memory_hotplug-simplify-and-fix-check_hotplug_memory_range.patch
s390x-mm-fail-when-an-altmap-is-used-for-arch_add_memory.patch
s390x-mm-implement-arch_remove_memory.patch
arm64-mm-add-temporary-arch_remove_memory-implementation.patch
drivers-base-memory-pass-a-block_id-to-init_memory_block.patch
mm-memory_hotplug-allow-arch_remove_pages-without-config_memory_hotremove.patch
mm-memory_hotplug-create-memory-block-devices-after-arch_add_memory.patch
mm-memory_hotplug-drop-mhp_memblock_api.patch
mm-memory_hotplug-remove-memory-block-devices-before-arch_remove_memory.patch
mm-memory_hotplug-make-unregister_memory_block_under_nodes-never-fail.patch
mm-memory_hotplug-remove-zone-parameter-from-sparse_remove_one_section.patch
mm-section-numbers-use-the-type-unsigned-long.patch
mm-section-numbers-use-the-type-unsigned-long-v3.patch
drivers-base-memory-use-unsigned-long-for-block-ids.patch
mm-make-register_mem_sect_under_node-static.patch
mm-memory_hotplug-rename-walk_memory_range-and-pass-startsize-instead-of-pfns.patch
mm-memory_hotplug-move-and-simplify-walk_memory_blocks.patch
drivers-base-memoryc-get-rid-of-find_memory_block_hinted.patch
drivers-base-memoryc-get-rid-of-find_memory_block_hinted-v3.patch
drivers-base-memoryc-get-rid-of-find_memory_block_hinted-v3-fix.patch
