The patch titled
Subject: mm/vmscan: push lruvec pointer into shrink_list()
has been added to the -mm tree. Its filename is
mm-vmscan-push-lruvec-pointer-into-shrink_list.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxx>
Subject: mm/vmscan: push lruvec pointer into shrink_list()
Signed-off-by: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Acked-by: Hugh Dickins <hughd@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 34 ++++++++++++----------------------
1 file changed, 12 insertions(+), 22 deletions(-)
diff -puN mm/vmscan.c~mm-vmscan-push-lruvec-pointer-into-shrink_list mm/vmscan.c
--- a/mm/vmscan.c~mm-vmscan-push-lruvec-pointer-into-shrink_list
+++ a/mm/vmscan.c
@@ -1205,7 +1205,7 @@ putback_inactive_pages(struct lruvec *lr
* of reclaimed pages
*/
static noinline_for_stack unsigned long
-shrink_inactive_list(unsigned long nr_to_scan, struct mem_cgroup_zone *mz,
+shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec,
struct scan_control *sc, enum lru_list lru)
{
LIST_HEAD(page_list);
@@ -1216,9 +1216,8 @@ shrink_inactive_list(unsigned long nr_to
unsigned long nr_writeback = 0;
isolate_mode_t isolate_mode = 0;
int file = is_file_lru(lru);
- struct zone *zone = mz->zone;
- struct zone_reclaim_stat *reclaim_stat = get_reclaim_stat(mz);
- struct lruvec *lruvec = mem_cgroup_zone_lruvec(zone, mz->mem_cgroup);
+ struct zone *zone = lruvec_zone(lruvec);
+ struct zone_reclaim_stat *reclaim_stat = &lruvec->reclaim_stat;
while (unlikely(too_many_isolated(zone, file, sc))) {
congestion_wait(BLK_RW_ASYNC, HZ/10);
@@ -1373,7 +1372,7 @@ static void move_active_pages_to_lru(str
}
static void shrink_active_list(unsigned long nr_to_scan,
- struct mem_cgroup_zone *mz,
+ struct lruvec *lruvec,
struct scan_control *sc,
enum lru_list lru)
{
@@ -1384,12 +1383,11 @@ static void shrink_active_list(unsigned
LIST_HEAD(l_active);
LIST_HEAD(l_inactive);
struct page *page;
- struct zone_reclaim_stat *reclaim_stat = get_reclaim_stat(mz);
+ struct zone_reclaim_stat *reclaim_stat = &lruvec->reclaim_stat;
unsigned long nr_rotated = 0;
isolate_mode_t isolate_mode = 0;
int file = is_file_lru(lru);
- struct zone *zone = mz->zone;
- struct lruvec *lruvec = mem_cgroup_zone_lruvec(zone, mz->mem_cgroup);
+ struct zone *zone = lruvec_zone(lruvec);
lru_add_drain();
@@ -1555,21 +1553,17 @@ static int inactive_list_is_low(struct l
}
static unsigned long shrink_list(enum lru_list lru, unsigned long nr_to_scan,
- struct mem_cgroup_zone *mz,
- struct scan_control *sc)
+ struct lruvec *lruvec, struct scan_control *sc)
{
int file = is_file_lru(lru);
if (is_active_lru(lru)) {
- struct lruvec *lruvec = mem_cgroup_zone_lruvec(mz->zone,
- mz->mem_cgroup);
-
if (inactive_list_is_low(lruvec, file))
- shrink_active_list(nr_to_scan, mz, sc, lru);
+ shrink_active_list(nr_to_scan, lruvec, sc, lru);
return 0;
}
- return shrink_inactive_list(nr_to_scan, mz, sc, lru);
+ return shrink_inactive_list(nr_to_scan, lruvec, sc, lru);
}
static int vmscan_swappiness(struct scan_control *sc)
@@ -1812,7 +1806,7 @@ restart:
nr[lru] -= nr_to_scan;
nr_reclaimed += shrink_list(lru, nr_to_scan,
- mz, sc);
+ lruvec, sc);
}
}
/*
@@ -1835,7 +1829,7 @@ restart:
* rebalance the anon lru active/inactive ratio.
*/
if (inactive_anon_is_low(lruvec))
- shrink_active_list(SWAP_CLUSTER_MAX, mz,
+ shrink_active_list(SWAP_CLUSTER_MAX, lruvec,
sc, LRU_ACTIVE_ANON);
/* reclaim/compaction might need reclaim to continue */
@@ -2268,13 +2262,9 @@ static void age_active_anon(struct zone
memcg = mem_cgroup_iter(NULL, NULL, NULL);
do {
struct lruvec *lruvec = mem_cgroup_zone_lruvec(zone, memcg);
- struct mem_cgroup_zone mz = {
- .mem_cgroup = memcg,
- .zone = zone,
- };
if (inactive_anon_is_low(lruvec))
- shrink_active_list(SWAP_CLUSTER_MAX, &mz,
+ shrink_active_list(SWAP_CLUSTER_MAX, lruvec,
sc, LRU_ACTIVE_ANON);
memcg = mem_cgroup_iter(NULL, memcg, NULL);
_
Subject: Subject: mm/vmscan: push lruvec pointer into shrink_list()
Patches currently in -mm which might be from khlebnikov@xxxxxxxxxx are
linux-next.patch
proc-pagemap-correctly-report-non-present-ptes-and-holes-between-vmas.patch
mm-remove-swap-token-code.patch
mm-vmscan-remove-lumpy-reclaim.patch
mm-vmscan-do-not-stall-on-writeback-during-memory-compaction.patch
mm-vmscan-remove-reclaim_mode_t.patch
mm-correctly-synchronize-rss-counters-at-exit-exec.patch
kernel-cgroup-push-rcu-read-locking-from-css_is_ancestor-to-callsite.patch
mm-memcg-count-pte-references-from-every-member-of-the-reclaimed-hierarchy.patch
mm-memcg-count-pte-references-from-every-member-of-the-reclaimed-hierarchy-fix.patch
bug-introduce-build_bug_on_invalid-macro.patch
bug-completely-remove-code-generated-by-disabled-vm_bug_on.patch
mm-memcg-scanning_global_lru-means-mem_cgroup_disabled.patch
mm-memcg-move-reclaim_stat-into-lruvec.patch
mm-push-lru-index-into-shrink_active_list.patch
mm-push-lru-index-into-shrink_active_list-fix.patch
mm-mark-mm-inline-functions-as-__always_inline.patch
mm-remove-lru-type-checks-from-__isolate_lru_page.patch
mm-memcg-kill-mem_cgroup_lru_del.patch
mm-memcg-use-vm_swappiness-from-target-memory-cgroup.patch
mm-vmscan-store-priority-in-struct-scan_control.patch
mm-add-link-from-struct-lruvec-to-struct-zone.patch
mm-vmscan-push-lruvec-pointer-into-isolate_lru_pages.patch
mm-vmscan-push-zone-pointer-into-shrink_page_list.patch
mm-vmscan-remove-update_isolated_counts.patch
mm-vmscan-push-lruvec-pointer-into-putback_inactive_pages.patch
mm-vmscan-replace-zone_nr_lru_pages-with-get_lruvec_size.patch
mm-vmscan-push-lruvec-pointer-into-inactive_list_is_low.patch
mm-vmscan-push-lruvec-pointer-into-shrink_list.patch
mm-vmscan-push-lruvec-pointer-into-get_scan_count.patch
mm-vmscan-push-lruvec-pointer-into-should_continue_reclaim.patch
mm-vmscan-kill-struct-mem_cgroup_zone.patch
proc-report-file-anon-bit-in-proc-pid-pagemap.patch
proc-smaps-carefully-handle-migration-entries.patch
proc-smaps-show-amount-of-nonlinear-ptes-in-vma.patch
proc-smaps-show-amount-of-hwpoison-pages.patch
fork-call-complete_vfork_done-after-clearing-child_tid-and-flushing-rss-counters.patch
c-r-prctl-add-ability-to-set-new-mm_struct-exe_file-update-after-mm-num_exe_file_vmas-removal.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
