The patch titled
Subject: mmmemory_hotplug-fix-scan_movable_pages-for-gigantic-hugepages-fix
has been added to the -mm tree. Its filename is
mmmemory_hotplug-fix-scan_movable_pages-for-gigantic-hugepages-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mmmemory_hotplug-fix-scan_movable_pages-for-gigantic-hugepages-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mmmemory_hotplug-fix-scan_movable_pages-for-gigantic-hugepages-fix.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mmmemory_hotplug-fix-scan_movable_pages-for-gigantic-hugepages-fix
fix brace layout, per David. Also reduce indentation
Cc: Anthony Yznaga <anthony.yznaga@xxxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Oscar Salvador <osalvador@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory_hotplug.c | 38 ++++++++++++++++++++------------------
1 file changed, 20 insertions(+), 18 deletions(-)
--- a/mm/memory_hotplug.c~mmmemory_hotplug-fix-scan_movable_pages-for-gigantic-hugepages-fix
+++ a/mm/memory_hotplug.c
@@ -1305,27 +1305,29 @@ int test_pages_in_a_zone(unsigned long s
static unsigned long scan_movable_pages(unsigned long start, unsigned long end)
{
unsigned long pfn;
- struct page *page;
+
for (pfn = start; pfn < end; pfn++) {
- if (pfn_valid(pfn)) {
- page = pfn_to_page(pfn);
- if (PageLRU(page))
- return pfn;
- if (__PageMovable(page))
- return pfn;
- if (PageHuge(page)) {
- struct page *head = compound_head(page);
+ struct page *page, *head;
+
+ if (!pfn_valid(pfn))
+ continue;
+ page = pfn_to_page(pfn);
+ if (PageLRU(page))
+ return pfn;
+ if (__PageMovable(page))
+ return pfn;
- if (hugepage_migration_supported(page_hstate(head)) &&
- page_huge_active(head))
- return pfn;
- else {
- unsigned long skip;
+ if (!PageHuge(page))
+ continue;
+ head = compound_head(page);
+ if (hugepage_migration_supported(page_hstate(head)) &&
+ page_huge_active(head)) {
+ return pfn;
+ } else {
+ unsigned long skip;
- skip = (1 << compound_order(head)) - (page - head);
- pfn += skip - 1;
- }
- }
+ skip = (1 << compound_order(head)) - (page - head);
+ pfn += skip - 1;
}
}
return 0;
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
proc-fix-proc-net-after-setns2-checkpatch-fixes.patch
proc-fix-proc-net-after-setns2-checkpatch-fixes-fix.patch
mmmemory_hotplug-fix-scan_movable_pages-for-gigantic-hugepages-fix.patch
ocfs2-clear-zero-in-unaligned-direct-io-checkpatch-fixes.patch
mm.patch
mm-slub-introduce-slab_warn_on_error-fix.patch
memory_hotplug-free-pages-as-higher-order-fix.patch
memory_hotplug-free-pages-as-higher-order-fix-fix.patch
mm-convert-pg_balloon-to-pg_offline-fix.patch
mm-reuse-only-pte-mapped-ksm-page-in-do_wp_page-fix.patch
mm-swap-check-if-swap-backing-device-is-congested-or-not-fix.patch
mmslabvmscan-accumulate-gradual-pressure-on-small-slabs-fix.patch
mm-proportional-memorylowmin-reclaim-checkpatch-fixes.patch
mm-mmu_notifier-contextual-information-for-event-triggering-invalidation-v2-fix-fix.patch
filemap-kill-page_cache_read-usage-in-filemap_fault-fix.patch
filemap-drop-the-mmap_sem-for-all-blocking-operations-checkpatch-fixes.patch
ipc-allow-boot-time-extension-of-ipcmni-from-32k-to-8m-checkpatch-fixes.patch
linux-next-rejects.patch
linux-next-git-rejects.patch
scripts-atomic-check-atomicssh-dont-assume-that-scripts-are-executable.patch
kernel-forkc-export-kernel_thread-to-modules.patch
slab-leaks3-default-y.patch
