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Fix bug in mb_alloc that made systems configured with

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PAGE_SIZE / MCLBYTES == 1 crash. Fix them by changing the
appropriate "allocate new page and bucket" code in mb_alloc to use
the macro for properly grabbing an allocated object from a bucket,
the one that checks whether the bucket is empty.
This should allow ken to continue testing zero-copy stuff on -CURRENT.

Noticed and provided debug info: ken
This commit is contained in:
Bosko Milekic 2002-03-03 22:10:04 +00:00
parent 5b4455186e
commit 5a4f147089
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=91604
1 changed files with 1 additions and 3 deletions
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4
sys/kern/subr_mbuf.c
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@ -611,9 +611,7 @@ mb_alloc(struct mb_lstmngr *mb_list, int how, short type)
MB_UNLOCK_CONT(gen_list);
bucket = mb_pop_cont(mb_list, how, cnt_lst);
if (bucket != NULL) {
bucket->mb_numfree--;
m = bucket->mb_free[(bucket->mb_numfree)];
(*(cnt_lst->mb_cont.mc_objcount))--;
MB_GET_OBJECT(m, bucket, cnt_lst);
MB_MBTYPES_INC(cnt_lst, type, 1);
MB_UNLOCK_CONT(cnt_lst);
} else {