Apart from setting the limit of memblock, it's also useful to be able
to get the limit to avoid recalculating it every time. Add the function
to do so.
Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Acked-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
Acked-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Laura Abbott <lauraa@xxxxxxxxxxxxxx>
---
include/linux/memblock.h | 2 ++
mm/memblock.c | 5 +++++
2 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 1ef6636..8a20a51 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -252,6 +252,8 @@ static inline void memblock_dump_all(void)
void memblock_set_current_limit(phys_addr_t limit);
+phys_addr_t memblock_get_current_limit(void);
+
/*
* pfn conversion functions
*
diff --git a/mm/memblock.c b/mm/memblock.c
index 39a31e7..7fe5354 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1407,6 +1407,11 @@ void __init_memblock memblock_set_current_limit(phys_addr_t limit)
memblock.current_limit = limit;
}
+phys_addr_t __init_memblock memblock_get_current_limit(void)
+{
+ return memblock.current_limit;
+}
+
static void __init_memblock memblock_dump(struct memblock_type *type, char *name)
{
unsigned long long base, size;
--
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