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Red Hat Bugzilla – Attachment 288721 Details for
Bug 249867
Kernel can BUG() in low memory conditions
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[patch]
xen-unstable 10353:bd1a0b2bb2d4 ported to linux-2.6.9-67.EL
xen-unstable-10353-bd1a0b2bb2d4 (text/plain), 983 bytes, created by
Ian Campbell
on 2007-12-14 08:57:29 UTC
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Description:
xen-unstable 10353:bd1a0b2bb2d4 ported to linux-2.6.9-67.EL
Filename:
MIME Type:
Creator:
Ian Campbell
Created:
2007-12-14 08:57:29 UTC
Size:
983 bytes
patch
obsolete
># HG changeset patch ># User kaf24@firebug.cl.cam.ac.uk ># Node ID bd1a0b2bb2d4596227951ad6d36cb4fcc2d00a8e ># Parent 161473836da3ccf922f44e910f8b5c01c709d1e6 >[LINUX] Only destroy a machine-contiguous memory region if >it really is contiguous (e.g., create_contiguous did not fail). >Signed-off-by: Keir Fraser <keir@xensource.com> >xen-unstable changeset: 10353:bd1a0b2bb2d4596227951ad6d36cb4fcc2d00a8e >xen-unstable date: Thu Jun 15 11:35:23 2006 +0100 > >diff -r 161473836da3 -r bd1a0b2bb2d4 arch/i386/mm/hypervisor.c >--- a/arch/i386/mm/hypervisor.c Wed Jun 14 22:15:13 2006 +0100 >+++ b/arch/i386/mm/hypervisor.c Thu Jun 15 11:35:23 2006 +0100 >@@ -365,7 +365,8 @@ void xen_destroy_contiguous_region(unsig > }; > set_xen_guest_handle(reservation.extent_start, &frame); > >- if (xen_feature(XENFEAT_auto_translated_physmap)) >+ if (xen_feature(XENFEAT_auto_translated_physmap) || >+ !test_bit(__pa(vstart) >> PAGE_SHIFT, contiguous_bitmap)) > return; > > scrub_pages(vstart, 1 << order);
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bug 249867
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328115