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authorAndy Whitcroft <apw@shadowen.org>2008-07-23 21:27:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-24 10:47:15 -0700
commit8a38082d21cbc5ec961da7dda195e98a9a064dcf (patch)
treee68f8c612c9f4be60d9e8b11a654e10416470155 /mm/slob.c
parent0cad47cf13bc2e9142d3a11d9f50523797d0d4ea (diff)
slub: record page flag overlays explicitly
SLUB reuses two page bits for internal purposes, it overlays PG_active and PG_error. This is hidden away in slub.c. Document these overlays explicitly in the main page-flags enum along with all the others. Signed-off-by: Andy Whitcroft <apw@shadowen.org> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Matt Mackall <mpm@selenic.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Tested-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Rik van Riel <riel@redhat.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/slob.c')
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