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author | Hugh Dickins <hugh@veritas.com> | 2008-11-19 23:36:37 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-11-20 02:49:59 (GMT) |
commit | 63eb6b93ce725e4c5f38fc85dd703d49465b03cb (patch) | |
tree | 5370a3080b8f20ae27904a3c36646f79b26c6665 /fs/namei.c | |
parent | bda8550deed96687f29992d711a88ea21cff4d26 (diff) | |
download | linux-63eb6b93ce725e4c5f38fc85dd703d49465b03cb.tar.xz |
vmscan: let GFP_NOFS go to swap again
In the past, GFP_NOFS (but of course not GFP_NOIO) was allowed to reclaim
by writing to swap. That got partially broken in 2.6.23, when may_enter_fs
initialization was moved up before the allocation of swap, so its
PageSwapCache test was failing the first time around,
Fix it by setting may_enter_fs when add_to_swap() succeeds with
__GFP_IO. In fact, check __GFP_IO before calling add_to_swap():
allocating swap we're not ready to use just increases disk seeking.
Signed-off-by: Hugh Dickins <hugh@veritas.com>
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 'fs/namei.c')
0 files changed, 0 insertions, 0 deletions