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authorHugh Dickins <hugh@veritas.com>2005-09-03 18:54:34 -0400
committerLinus Torvalds <torvalds@evo.osdl.org>2005-09-05 03:05:40 -0400
commit11d31886dbcb61039ed3789e583d21c6e70960fd (patch)
treeddaebfd35080a530a30c56587707c2c5ef452591 /kernel/auditsc.c
parent4cd3bb10ff0b21b77b5a4cd13b4bd36694e054c4 (diff)
[PATCH] swap: swap extent list is ordered
There are several comments that swap's extent_list.prev points to the lowest extent: that's not so, it's extent_list.next which points to it, as you'd expect. And a couple of loops in add_swap_extent which go all the way through the list, when they should just add to the other end. Fix those up, and let map_swap_page search the list forwards: profiles shows it to be twice as quick that way - because prefetch works better on how the structs are typically kmalloc'ed? or because usually more is written to than read from swap, and swap is allocated ascendingly? Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/auditsc.c')
0 files changed, 0 insertions, 0 deletions