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| author | Martin v. Löwis <martin@v.loewis.de> | 2002-10-26 15:01:53 (GMT) |
|---|---|---|
| committer | Martin v. Löwis <martin@v.loewis.de> | 2002-10-26 15:01:53 (GMT) |
| commit | 8c1402869ba0cb0a690a5168ac4067483d39e02e (patch) | |
| tree | 439fcb592188d38021d568b7dca06b76f3ba0cfd /Objects/obmalloc.c | |
| parent | 74b51ac1e5fb76250251a66d8d326baaaf1f1cee (diff) | |
| download | cpython-8c1402869ba0cb0a690a5168ac4067483d39e02e.zip cpython-8c1402869ba0cb0a690a5168ac4067483d39e02e.tar.gz cpython-8c1402869ba0cb0a690a5168ac4067483d39e02e.tar.bz2 | |
Patch #627105: Document that SYSTEM_PAGE_SIZE really should not be
larger than the system page size.
Diffstat (limited to 'Objects/obmalloc.c')
| -rw-r--r-- | Objects/obmalloc.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Objects/obmalloc.c b/Objects/obmalloc.c index 753b2cc..a72d05a 100644 --- a/Objects/obmalloc.c +++ b/Objects/obmalloc.c @@ -139,7 +139,10 @@ * getpagesize() call or deduced from various header files. To make * things simpler, we assume that it is 4K, which is OK for most systems. * It is probably better if this is the native page size, but it doesn't - * have to be. + * have to be. In theory, if SYSTEM_PAGE_SIZE is larger than the native page + * size, then `POOL_ADDR(p)->arenaindex' could rarely cause a segmentation + * violation fault. 4K is apparently OK for all the platforms that python + * currently targets. */ #define SYSTEM_PAGE_SIZE (4 * 1024) #define SYSTEM_PAGE_SIZE_MASK (SYSTEM_PAGE_SIZE - 1) |