The patch titled
has been added to the -mm tree. Its filename is
proc-add-kpageidle-file-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/proc-add-kpageidle-file-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/proc-add-kpageidle-file-fix.patch
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*** 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: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>
Cc: Andres Lagar-Cavilla <andreslc@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/page.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff -puN fs/proc/page.c~proc-add-kpageidle-file-fix fs/proc/page.c
--- a/fs/proc/page.c~proc-add-kpageidle-file-fix
+++ a/fs/proc/page.c
@@ -353,7 +353,11 @@ static int kpageidle_clear_pte_refs_one(
static void kpageidle_clear_pte_refs(struct page *page)
{
- struct rmap_walk_control rwc = {
+ /*
+ * Since rwc.arg is unused, rwc is effectively immutable, so we
+ * can make it static const to save some cycles and stack.
+ */
+ static const struct rmap_walk_control rwc = {
.rmap_one = kpageidle_clear_pte_refs_one,
.anon_lock = page_lock_anon_vma_read,
};
@@ -367,7 +371,7 @@ static void kpageidle_clear_pte_refs(str
if (need_lock && !trylock_page(page))
return;
- rmap_walk(page, &rwc);
+ rmap_walk(page, (struct rmap_walk_control *)&rwc);
if (need_lock)
unlock_page(page);
@@ -456,7 +460,7 @@ static ssize_t kpageidle_write(struct fi
}
in++;
}
- if (idle_bitmap >> bit & 1) {
+ if ((idle_bitmap >> bit) & 1) {
page = kpageidle_get_page(pfn);
if (page) {
kpageidle_clear_pte_refs(page);
_
Patches currently in -mm which might be from vdavydov@xxxxxxxxxxxxx are
memcg-export-struct-mem_cgroup.patch
memcg-export-struct-mem_cgroup-fix.patch
memcg-export-struct-mem_cgroup-fix-2.patch
memcg-get-rid-of-mem_cgroup_root_css-for-config_memcg.patch
memcg-get-rid-of-extern-for-functions-in-memcontrolh.patch
memcg-restructure-mem_cgroup_can_attach.patch
memcg-tcp_kmem-check-for-cg_proto-in-sock_update_memcg.patch
memcg-add-page_cgroup_ino-helper.patch
hwpoison-use-page_cgroup_ino-for-filtering-by-memcg.patch
memcg-zap-try_get_mem_cgroup_from_page.patch
proc-add-kpagecgroup-file.patch
mmu-notifier-add-clear_young-callback.patch
mmu-notifier-add-clear_young-callback-fix.patch
proc-add-kpageidle-file.patch
proc-add-kpageidle-file-fix.patch
proc-export-idle-flag-via-kpageflags.patch
proc-add-cond_resched-to-proc-kpage-read-write-loop.patch
mm-vmscan-fix-the-page-state-calculation-in-too_many_isolated.patch
mm-swap-zswap-maybe_preload-refactoring.patch
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