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| author | Inada Naoki <songofacandy@gmail.com> | 2019-05-14 09:51:15 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-05-14 09:51:15 (GMT) |
| commit | f0be4bbb9b3cee876249c23f2ae6f38f43fa7495 (patch) | |
| tree | 778915b3612b9f9edbec3e2a6b1a399af3b1f6a8 /Objects | |
| parent | c923c3449f825021b13521b2380e67ba35a36f55 (diff) | |
| download | cpython-f0be4bbb9b3cee876249c23f2ae6f38f43fa7495.zip cpython-f0be4bbb9b3cee876249c23f2ae6f38f43fa7495.tar.gz cpython-f0be4bbb9b3cee876249c23f2ae6f38f43fa7495.tar.bz2 | |
bpo-27987: pymalloc: align by 16bytes on 64bit platform (GH-12850)
Diffstat (limited to 'Objects')
| -rw-r--r-- | Objects/obmalloc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Objects/obmalloc.c b/Objects/obmalloc.c index 7cfd289..bd15bcf 100644 --- a/Objects/obmalloc.c +++ b/Objects/obmalloc.c @@ -795,8 +795,14 @@ static int running_on_valgrind = -1; * * You shouldn't change this unless you know what you are doing. */ + +#if SIZEOF_VOID_P > 4 +#define ALIGNMENT 16 /* must be 2^N */ +#define ALIGNMENT_SHIFT 4 +#else #define ALIGNMENT 8 /* must be 2^N */ #define ALIGNMENT_SHIFT 3 +#endif /* Return the number of bytes in size class I, as a uint. */ #define INDEX2SIZE(I) (((uint)(I) + 1) << ALIGNMENT_SHIFT) |