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| author | Yinghai Lu <yinghai@kernel.org> | 2014-01-29 23:05:52 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-30 01:22:40 +0100 |
| commit | f544e14f3e765b5241d7f234fee677506b8ce07f (patch) | |
| tree | ba464a2d62322b53ff432a7c491b258b52a164ea /mm | |
| parent | mm/readahead.c: fix do_readahead() for no readpage(s) (diff) | |
| download | linux-f544e14f3e765b5241d7f234fee677506b8ce07f.tar.xz linux-f544e14f3e765b5241d7f234fee677506b8ce07f.zip | |
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>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memblock.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/memblock.c b/mm/memblock.c index 87d21a6ff63c..39a31e7f0045 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); |