Re: vmalloc.c question

["Benjamin C.R. LaHaise" <blah@kvack.org>]

On Fri, 19 Feb 1999, Neil Booth wrote:

> I have a simple question about vmalloc.c. I'm probably missing something
> obvious, but it appears to me that the list "vmlist" of the kernel's
> virtual memory areas is not protected by any kind of locking mechanism,
> and thus subject to races. (e.g. two CPUs trying to insert a new virtual
> memory block in the same place at the same time in get_vm_area).

That's probably because it assumes the caller holds the global kernel
lock (which is okay -- vmalloc can't be called from bottom half or irq
context safely anyways).

		-ben

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