From: Linus Torvalds <torvalds@transmeta.com>
Date: Thu, 27 Mar 2003 11:08:26 -0800 (PST)
So what the test SHOULD look like is this:
if (gfp_mask & __GFP_WAIT) {
if (in_atomic() || irqs_disabled()) {
static int count = 0;
...
}
}
which should catch all the cases we really care about.
Let's codify this "in_atomic() || irqs_disabled()" test into a macro
that everyone can use to test sleepability, ok?
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