[PATCH 2/2] mm: temporary patch for fix memblock issue test

From: zijun_hu
Date: Wed Jul 27 2016 - 00:13:37 EST


temporary patch for fix memblock issue test

Signed-off-by: zijun_hu <zijun_hu@xxxxxxx>
---
arch/arm64/mm/init.c | 7 +++++++
include/linux/memblock.h | 1 +
mm/memblock.c | 25 +++++++++++++++++++++++++
3 files changed, 33 insertions(+)

diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index d45f862..0db80bb 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -326,6 +326,13 @@ void __init bootmem_init(void)

high_memory = __va((max << PAGE_SHIFT) - 1) + 1;
memblock_dump_all();
+
+ if (!memblock_debug)
+ __memblock_dump_all();
+ /*
+ * extern void memblock_patch_verify(void);
+ */
+ memblock_patch_verify();
}

#ifndef CONFIG_SPARSEMEM_VMEMMAP
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 3106ac1..c62df1e 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -340,6 +340,7 @@ bool memblock_is_reserved(phys_addr_t addr);
bool memblock_is_region_reserved(phys_addr_t base, phys_addr_t size);

extern void __memblock_dump_all(void);
+extern void memblock_patch_verify(void);

static inline void memblock_dump_all(void)
{
diff --git a/mm/memblock.c b/mm/memblock.c
index e95f95f..5c179ae 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1652,6 +1652,31 @@ void __init_memblock __memblock_dump_all(void)
memblock_dump(&memblock.reserved, "reserved");
}

+void __init_memblock memblock_patch_verify(void)
+{
+ u64 i;
+ phys_addr_t this_start, this_end;
+
+ pr_info("in %s: memory\n", __func__);
+ for_each_mem_range_rev(i, &memblock.memory, NULL, NUMA_NO_NODE,
+ MEMBLOCK_NONE, &this_start, &this_end, NULL)
+ pr_info("[%#016llx]\t[%#016llx-%#016llx]\n",
+ i, this_start, this_end);
+
+ pr_info("in %s: reserved\n", __func__);
+ for_each_mem_range_rev(i, &memblock.reserved, NULL, NUMA_NO_NODE,
+ MEMBLOCK_NONE, &this_start, &this_end, NULL)
+ pr_info("[%#016llx]\t[%#016llx-%#016llx]\n",
+ i, this_start, this_end);
+
+ pr_info("in %s: memory X reserved\n", __func__);
+ for_each_mem_range_rev(i, &memblock.memory, &memblock.reserved,
+ NUMA_NO_NODE, MEMBLOCK_NONE,
+ &this_start, &this_end, NULL)
+ pr_info("[%#016llx]\t[%#016llx-%#016llx]\n",
+ i, this_start, this_end);
+}
+
void __init memblock_allow_resize(void)
{
memblock_can_resize = 1;
--
1.9.1


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