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SubjectRe: [QUESTION] check for mem in slab
[Pekka Enberg - Fri, Mar 30, 2007 at 02:55:26PM +0300]
| On 3/30/07, Heiko Carstens <heiko.carstens@de.ibm.com> wrote:
| >> in file mm/slab.c and routine kmem_cache_init() I found there
| >> is no checking for allocated memory on line:
| >>
| >> /* 4) Replace the bootstrap head arrays */
| >> {
| >> struct array_cache *ptr;
| >>
| >> ptr = kmalloc(sizeof(struct arraycache_init), GFP_KERNEL);
| >>
| >> --> no check for ptr == NULL <--
| >[...]
| >> is that OK? or it's a bug?
| >
| >It's ok. If that allocation fails your machine won't come up anyway.
|
| We ought to add a BUG_ON or comment at least there as this keeps
| popping up again and again.
|

Thanks for answer

Cyrill

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