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swh:1:snp:49cd9498d6cccc5e78252c27dcb645bcf7bf0c91
Revision fcb119183c73bf0781009713f303e28b1fb13d3e authored by Bjorn Helgaas on 16 December 2010, 17:38:46 UTC, committed by Jesse Barnes on 17 December 2010, 18:01:09 UTC 
resources: add arch hook for preventing allocation in reserved areas
 
This adds arch_remove_reservations(), which an arch can implement if it
needs to protect part of the address space from allocation.

Sometimes that can be done by just putting a region in the resource tree,
but there are cases where that doesn't work well.  For example, x86 BIOS
E820 reservations are not related to devices, so they may overlap part of,
all of, or more than a device resource, so they may not end up at the
correct spot in the resource tree.

Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
1 parent c0f5ac5
History
Tip revision: 644e9524388a5dbc6d4f58c492ee9ef7bd4ddf4d authored by Linus Torvalds on 26 November 2022, 02:02:49 UTC
Merge tag 'for-v6.1-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Tip revision: 644e952
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