Messages in this thread | | | Date | Sat, 23 Mar 2002 14:18:34 +0100 | From | Martin Dalecki <> | Subject | Re: Patch to split kmalloc in sd.c in 2.4.18+ |
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Pete Zaitcev wrote: > Hello: > > One problem I see when trying to use a box with 128 SCSI disks > is that sd_mod sometimes refuses to load. Earlier kernels simply > oopsed when it happened, but that is fixed in 2.4.18. The root > of the evil is the enormous array sd[] that sd_init allocates. > Alan suggested to split the allocation, which is what I did. > > Arjan said that it may be easier to use vmalloc, and sure it is. > However, I heard that vmalloc space is not too big, so it may > make sense to conserve it (especially on non-x86 32-bitters).
kmalloc is spare - the vmalloc space is *HUUUUUGE*. (The v stands for virtual as in virtual memmory...)
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