memblock: add limit checking to memblock_virt_alloc
In original bootmem wrapper for memblock, we have limit checking.
Add it to memblock_virt_alloc, to address arm and x86 booting crash.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Reported-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Reported-by: Olof Johansson <olof@lixom.net>
Tested-by: Olof Johansson <olof@lixom.net>
Reported-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: "Strashko, Grygorii" <grygorii.strashko@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/memblock.c b/mm/memblock.c
index 87d21a6..39a31e7 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1077,6 +1077,9 @@
if (!align)
align = SMP_CACHE_BYTES;
+ if (max_addr > memblock.current_limit)
+ max_addr = memblock.current_limit;
+
again:
alloc = memblock_find_in_range_node(size, align, min_addr, max_addr,
nid);