mm: page_alloc: optimize free_unref_folios()

Browse source

Move direct freeing of isolated pages to the lock-breaking block in the
second loop.  This saves an unnecessary migratetype reassessment.

Minor comment and local variable scoping cleanups.

Link: https://lkml.kernel.org/r/20240320180429.678181-3-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Suggested-by: Vlastimil Babka <vbabka@suse.cz>
Tested-by: "Huang, Ying" <ying.huang@intel.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Tested-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

...

This commit is contained in:

Johannes Weiner 2024-03-20 14:02:07 -04:00 • committed by Andrew Morton

parent 17edeb5d3f

commit 9cbe97bad5

1 changed files with 23 additions and 9 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

32

mm/page_alloc.c

View file