From f544e14f3e765b5241d7f234fee677506b8ce07f Mon Sep 17 00:00:00 2001 From: Yinghai Lu <yinghai@kernel.org> Date: Wed, 29 Jan 2014 14:05:52 -0800 Subject: [PATCH] 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> --- mm/memblock.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/mm/memblock.c b/mm/memblock.c index 87d21a6ff63c5..39a31e7f00450 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -1077,6 +1077,9 @@ static void * __init memblock_virt_alloc_internal( 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); -- GitLab