| commit | 50be345560f1ffdcb15cc0e146416b80529a2ef2 | |
| author | Milan Broz <mbroz@redhat.com> | |
| Mon, 4 Sep 2006 13:37:57 +0000 (4 15:37 +0200) | ||
| committer | Jens Axboe <axboe@nelson.home.kernel.dk> | |
| Sat, 30 Sep 2006 18:52:33 +0000 (30 20:52 +0200) | ||
| tree | 056278d82ea7fcbd26d9cc95c806d3978bbbb56e | treesnapshot (tar.gz zip) |
| parent | bcfd8d36151e531e1c6c731f1fbf792509a1c494 | commitdiff |
[PATCH] fix creating zero sized bio mempools in low memory system
In the very low memory systems is in the init_bio call
scale parameter set to zero and it leads to creating
zero sized mempool.
This patch prevents pool_entries parameter become zero,
so the created pool have at least 1 entry.
Mempool with 0 entries lead to incorrect behaviour
of mempool_free. (Alloc requests are not waken up
and system stalls in mempool_alloc->ioschedule).
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
In the very low memory systems is in the init_bio call
scale parameter set to zero and it leads to creating
zero sized mempool.
This patch prevents pool_entries parameter become zero,
so the created pool have at least 1 entry.
Mempool with 0 entries lead to incorrect behaviour
of mempool_free. (Alloc requests are not waken up
and system stalls in mempool_alloc->ioschedule).
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| fs/bio.c | diffblobblamehistory |