The patch titled
Subject: mm/vmscan.c: do_try_to_free_pages(): clean code by removing unnecessary assignment
has been added to the -mm tree. Its filename is
mm-vmscanc-do_try_to_free_pages-clean-code-by-removing-unnecessary-assignment.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-vmscanc-do_try_to_free_pages-clean-code-by-removing-unnecessary-assignment.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-vmscanc-do_try_to_free_pages-clean-code-by-removing-unnecessary-assignment.patch
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------------------------------------------------------
From: Mateusz Nosek <mateusznosek0@xxxxxxxxx>
Subject: mm/vmscan.c: do_try_to_free_pages(): clean code by removing unnecessary assignment
sc->memcg_low_skipped resets skipped_deactivate to 0 but this is not
needed as this code path is never reachable with skipped_deactivate != 0
due to previous sc->skipped_deactivate branch.
[mhocko@xxxxxxxxxx: rewrite changelog]
Link: http://lkml.kernel.org/r/20200319165938.23354-1-mateusznosek0@xxxxxxxxx
Signed-off-by: Mateusz Nosek <mateusznosek0@xxxxxxxxx>
Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 1 -
1 file changed, 1 deletion(-)
--- a/mm/vmscan.c~mm-vmscanc-do_try_to_free_pages-clean-code-by-removing-unnecessary-assignment
+++ a/mm/vmscan.c
@@ -3093,7 +3093,6 @@ retry:
if (sc->memcg_low_skipped) {
sc->priority = initial_priority;
sc->force_deactivate = 0;
- sc->skipped_deactivate = 0;
sc->memcg_low_reclaim = 1;
sc->memcg_low_skipped = 0;
goto retry;
_
Patches currently in -mm which might be from mateusznosek0@xxxxxxxxx are
mm-micro-optimisation-save-two-branches-on-hot-page-allocation-path.patch
mm-page_allocc-micro-optimisation-remove-unnecessary-branch.patch
mm-vmscanc-clean-code-by-removing-unnecessary-assignment.patch
mm-vmscanc-do_try_to_free_pages-clean-code-by-removing-unnecessary-assignment.patch
mm-compactionc-clean-code-by-removing-unnecessary-assignment.patch
mm-hugetlbc-clean-code-by-removing-unnecessary-initialization.patch
mm-shmemc-clean-code-by-removing-unnecessary-assignment.patch
mm-mm_initc-clean-code-use-build_bug_on-when-comparing-compile-time-constant.patch
mm-dmapoolc-micro-optimisation-remove-unnecessary-branch.patch
