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| author | Hugh Dickins | 2009-01-06 23:40:06 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2009-01-07 00:59:07 +0100 |
| commit | 8cc3b39221b0ecbd83a338948a8396df097fc656 (patch) | |
| tree | 8a8617590f6bc9842c28a0fc4e5e5fbc93e95780 /mm/memory.c | |
| parent | badpage: simplify page_alloc flag check+clear (diff) | |
| download | kernel-qcow2-linux-8cc3b39221b0ecbd83a338948a8396df097fc656.tar.gz kernel-qcow2-linux-8cc3b39221b0ecbd83a338948a8396df097fc656.tar.xz kernel-qcow2-linux-8cc3b39221b0ecbd83a338948a8396df097fc656.zip | |
badpage: keep any bad page out of circulation
Until now the bad_page() checkers have special-cased PageReserved, keeping
those pages out of circulation thereafter. Now extend the special case to
all: we want to keep ANY page with bad state out of circulation - the
"free" page may well be in use by something.
Leave the bad state of those pages untouched, for examination by
debuggers; except for PageBuddy - leaving that set would risk bringing the
page back.
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory.c')
0 files changed, 0 insertions, 0 deletions