The patch titled
thp: enable direct defrag
has been removed from the -mm tree. Its filename was
thp-enable-direct-defrag.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: thp: enable direct defrag
From: Andrea Arcangeli <aarcange@xxxxxxxxxx>
With memory compaction in, and lumpy-reclaim disabled, it seems safe
enough to defrag memory during the (synchronous) transparent hugepage page
faults (TRANSPARENT_HUGEPAGE_DEFRAG_FLAG) and not only during khugepaged
(async) hugepage allocations that was already enabled even before memory
compaction was in (TRANSPARENT_HUGEPAGE_DEFRAG_KHUGEPAGED_FLAG).
Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Acked-by: Mel Gorman <mel@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/huge_memory.c | 1 +
1 file changed, 1 insertion(+)
diff -puN mm/huge_memory.c~thp-enable-direct-defrag mm/huge_memory.c
--- a/mm/huge_memory.c~thp-enable-direct-defrag
+++ a/mm/huge_memory.c
@@ -28,6 +28,7 @@
*/
unsigned long transparent_hugepage_flags __read_mostly =
(1<<TRANSPARENT_HUGEPAGE_FLAG)|
+ (1<<TRANSPARENT_HUGEPAGE_DEFRAG_FLAG)|
(1<<TRANSPARENT_HUGEPAGE_DEFRAG_KHUGEPAGED_FLAG);
/* default scan 8*512 pte (or vmas) every 30 second */
_
Patches currently in -mm which might be from aarcange@xxxxxxxxxx are
origin.patch
thp-add-pagetranscompound.patch
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