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authorBjorn Helgaas <bjorn.helgaas@hp.com>2010-10-26 15:41:54 -0600
committerJesse Barnes <jbarnes@virtuousgeek.org>2010-10-26 15:33:45 -0700
commit1af3c2e45e7a641e774bbb84fa428f2f0bf2d9c9 (patch)
tree039efdb6eecc9d28e7bef5486a1b02527838c23d /Documentation
parent419afdf53cca794a190014593b4778e2e9d64cf3 (diff)
x86: allocate space within a region top-down
Request that allocate_resource() use available space from high addresses first, rather than the default of using low addresses first. The most common place this makes a difference is when we move or assign new PCI device resources. Low addresses are generally scarce, so it's better to use high addresses when possible. This follows Windows practice for PCI allocation. Reference: https://bugzilla.kernel.org/show_bug.cgi?id=16228#c42 Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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