diff options
| author | Andrew Morton <akpm@linux-foundation.org> | 2011-07-26 04:12:18 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-26 07:57:09 +0400 |
| commit | c9d8c3d0896bfa5b57531ecc41a85ffbc6d87dbe (patch) | |
| tree | 0de7519c20e066c820d37ff32be319745e7a2f8e /include/linux/poison.h | |
| parent | be8f684d73d8d916847e996bf69cef14352872c6 (diff) | |
| download | linux-c9d8c3d0896bfa5b57531ecc41a85ffbc6d87dbe.tar.xz | |
mm/memblock.c: avoid abuse of RED_INACTIVE
RED_INACTIVE is a slab thing, and reusing it for memblock was
inappropriate, because memblock is dealing with phys_addr_t's which have a
Kconfigurable sizeof().
Create a new poison type for this application. Fixes the sparse warning
warning: cast truncates bits from constant value (9f911029d74e35b becomes 9d74e35b)
Reported-by: H Hartley Sweeten <hartleys@visionengravers.com>
Tested-by: H Hartley Sweeten <hartleys@visionengravers.com>
Acked-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/poison.h')
| -rw-r--r-- | include/linux/poison.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/poison.h b/include/linux/poison.h index 2110a81c5e2a..79159de0e341 100644 --- a/include/linux/poison.h +++ b/include/linux/poison.h @@ -40,6 +40,12 @@ #define RED_INACTIVE 0x09F911029D74E35BULL /* when obj is inactive */ #define RED_ACTIVE 0xD84156C5635688C0ULL /* when obj is active */ +#ifdef CONFIG_PHYS_ADDR_T_64BIT +#define MEMBLOCK_INACTIVE 0x3a84fb0144c9e71bULL +#else +#define MEMBLOCK_INACTIVE 0x44c9e71bUL +#endif + #define SLUB_RED_INACTIVE 0xbb #define SLUB_RED_ACTIVE 0xcc |