![]() | |||||||||||||
Messages in this thread |
On 3/6/06, David S. Miller <davem@davemloft.net> wrote: > From: Dave Jones <davej@redhat.com> > Date: Mon, 6 Mar 2006 02:04:58 -0500 > > > (I wish we had a kfree variant that NULL'd the target when it was free'd) > > Excellent idea. > - Slab debugging should catch double frees, but it will not attract your attention till you see your dmesg log. kfree() will ignore NULL pointer, from the comments in kfree /** * kfree - free previously allocated memory * @objp: pointer returned by kmalloc. * * If @objp is NULL, no operation is performed. <snip> May we could have such a variant under CONFIG_DEBUG_SLAB if we needed and also change the variant kfree to BUG_ON() a NULL pointer. Balbir - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
| Last update: 2006-03-06 12:09 [from the cache] ©2003-2008 | |||||||||||||