ARM: 7993/1: mm/memblock: add memblock_get_current_limit

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@arm.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 1ef66360f0b092b751f430bf31ca693a8a85ed46..8a20a51ed42d9c53c1b57153106fe33a0a61d78c 100644 (file)
--- 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 39a31e7f004505991e37219bdb1e17f571efb933..7fe5354e7552c0507eb6a6b778eee42d1c2182af 100644 (file)
--- 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;