The patch titled
Subject: mm-vmscan-scan-until-it-founds-eligible-pages-fix
has been added to the -mm tree. Its filename is
mm-vmscan-scan-until-it-founds-eligible-pages-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-vmscan-scan-until-it-founds-eligible-pages-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-vmscan-scan-until-it-founds-eligible-pages-fix.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-vmscan-scan-until-it-founds-eligible-pages-fix
Clean up mind-bending `for' statement. Tweak comment text.
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff -puN mm/vmscan.c~mm-vmscan-scan-until-it-founds-eligible-pages-fix mm/vmscan.c
--- a/mm/vmscan.c~mm-vmscan-scan-until-it-founds-eligible-pages-fix
+++ a/mm/vmscan.c
@@ -1472,10 +1472,10 @@ static unsigned long isolate_lru_pages(u
unsigned long scan, total_scan, nr_pages;
LIST_HEAD(pages_skipped);
- for (total_scan = scan = 0; scan < nr_to_scan &&
- nr_taken < nr_to_scan &&
- !list_empty(src);
- total_scan++) {
+ scan = 0;
+ for (total_scan = 0;
+ scan < nr_to_scan && nr_taken < nr_to_scan && !list_empty(src);
+ total_scan++) {
struct page *page;
page = lru_to_page(src);
@@ -1490,10 +1490,10 @@ static unsigned long isolate_lru_pages(u
}
/*
- * Do not count skipped pages because it makes the function to
- * return with none isolated pages if the LRU mostly contains
- * ineligible pages so that VM cannot reclaim any pages and
- * trigger premature OOM.
+ * Do not count skipped pages because that makes the function
+ * return with no isolated pages if the LRU mostly contains
+ * ineligible pages. This causes the VM to not reclaim any
+ * pages, triggering a premature OOM.
*/
scan++;
switch (__isolate_lru_page(page, mode)) {
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
i-need-old-gcc.patch
hwpoison-memcg-forcibly-uncharge-lru-pages-checkpatch-fixes.patch
gcov-support-gcc-71-v2-checkpatch-fixes.patch
mm-vmalloc-fix-vmalloc-users-tracking-properly-checkpatch-fixes.patch
tigran-has-moved.patch
mm-vmscan-scan-until-it-founds-eligible-pages-fix.patch
arm-arch-arm-include-asm-pageh-needs-personalityh.patch
ocfs2-old-mle-put-and-release-after-the-function-dlm_add_migration_mle-called-fix.patch
ocfs2-dlm-optimization-of-code-while-free-dead-node-locks-checkpatch-fixes.patch
mm.patch
mm-slub-wrap-cpu_slab-partial-in-config_slub_cpu_partial-fix.patch
kernel-reboot-add-devm_register_reboot_notifier-fix.patch
fault-inject-support-systematic-fault-injection-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch
slab-leaks3-default-y.patch
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