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authorChristoph Lameter <clameter@sgi.com>2008-03-27 00:03:04 -0400
committerIngo Molnar <mingo@elte.hu>2008-03-27 11:08:45 -0400
commit25e59881f109dc6378ebc463ae4c2de907435de3 (patch)
treea8fb0090cff8ad34103b47c0a894b39fe41f1013 /Documentation
parentb2ef749720a97053d60605a7456772a1752164cc (diff)
x86: stricter check in follow_huge_addr()
The first page of the compound page is determined in follow_huge_addr() but then PageCompound() only checks if the page is part of a compound page. PageHead() allows checking if this is indeed the first page of the compound. Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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