Messages in this thread | | | Date | Thu, 31 May 2018 14:30:29 +0000 | From | Christopher Lameter <> | Subject | Re: Can kfree() sleep at runtime? |
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On Thu, 31 May 2018, Matthew Wilcox wrote:
> > Freeing a page in the page allocator also was traditionally not sleeping. > > That has changed? > > No. "Your bug" being "The bug in your static analysis tool". It probably > isn't following the data flow correctly (or deeply enough).
Well ok this is not going to trigger for kfree(), this is x86 specific and requires CONFIG_DEBUG_PAGEALLOC and a free of a page in a huge page.
Ok that is a very contorted situation but how would a static checker deal with that?
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