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prep_zero_page: remove bogus BUG_ON
authorHugh Dickins <hugh@veritas.com>
Wed, 28 Nov 2007 18:57:12 +0000 (18:57 +0000)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Wed, 28 Nov 2007 19:04:28 +0000 (11:04 -0800)
2.6.11 gave __GFP_ZERO's prep_zero_page a bogus "highmem may have to wait"
assertion.  Presumably added under the misconception that clear_highpage
uses nonatomic kmap; but then and now it uses kmap_atomic, so no problem.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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