https://github.com/torvalds/linux
Revision 41c93088127df2579e8ca64010929ec9e41d5543 authored by Ying Han on 12 April 2012, 19:49:16 UTC, committed by Linus Torvalds on 12 April 2012, 20:12:12 UTC
This reverts commit c38446cc65e1f2b3eb8630c53943b94c4f65f670.

Before the commit, the code makes senses to me but not after the commit.
The "nr_reclaimed" is the number of pages reclaimed by scanning through
the memcg's lru lists.  The "nr_to_reclaim" is the target value for the
whole function.  For example, we like to early break the reclaim if
reclaimed 32 pages under direct reclaim (not DEF_PRIORITY).

After the reverted commit, the target "nr_to_reclaim" is decremented each
time by "nr_reclaimed" but we still use it to compare the "nr_reclaimed".
It just doesn't make sense to me...

Signed-off-by: Ying Han <yinghan@google.com>
Acked-by: Hugh Dickins <hughd@google.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Hillf Danton <dhillf@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 66aebce
History
Tip revision: 41c93088127df2579e8ca64010929ec9e41d5543 authored by Ying Han on 12 April 2012, 19:49:16 UTC
Revert "mm: vmscan: fix misused nr_reclaimed in shrink_mem_cgroup_zone()"
Tip revision: 41c9308
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