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MFp4: Force 64-bit arithmatic when caculating the maximum file size.

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This fixes tmpfs caculations on 32-bit systems equipped with more than
4GB swap.

Reported by:	Craig Boston <craig xfoil gank org>
PR:		kern/114870
Approved by:	re (tmpfs blanket)
This commit is contained in:
Xin LI 2007-07-24 17:14:53 +00:00
parent 05a4c1c1ef
commit f62e5595fd
1 changed files with 1 additions and 1 deletions
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2
sys/fs/tmpfs/tmpfs_vfsops.c
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@ -268,7 +268,7 @@ tmpfs_mount(struct mount *mp, struct thread *td)
mtx_init(&tmp->allnode_lock, "tmpfs allnode lock", NULL, MTX_DEF);
tmp->tm_nodes_max = nodes;
tmp->tm_nodes_inuse = 0;
tmp->tm_maxfilesize = (cnt.v_page_count + get_swpgtotal()) * PAGE_SIZE;
tmp->tm_maxfilesize = (u_int64_t)(cnt.v_page_count + get_swpgtotal()) * PAGE_SIZE;
LIST_INIT(&tmp->tm_nodes_used);
tmp->tm_pages_max = pages;