The patch titled
Subject: sparc: add pmd_[dirty|mkclean] for THP
has been added to the -mm tree. Its filename is
sparc-add-pmd_-for-thp.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/sparc-add-pmd_-for-thp.patch
echo and later at
echo http://ozlabs.org/~akpm/mmotm/broken-out/sparc-add-pmd_-for-thp.patch
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------------------------------------------------------
From: Minchan Kim <minchan@xxxxxxxxxx>
Subject: sparc: add pmd_[dirty|mkclean] for THP
MADV_FREE needs pmd_dirty and pmd_mkclean for detecting recent overwrite
of the contents since MADV_FREE syscall is called for THP page.
This patch adds pmd_dirty and pmd_mkclean for THP page MADV_FREE
support.
Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/sparc/include/asm/pgtable_64.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff -puN arch/sparc/include/asm/pgtable_64.h~sparc-add-pmd_-for-thp arch/sparc/include/asm/pgtable_64.h
--- a/arch/sparc/include/asm/pgtable_64.h~sparc-add-pmd_-for-thp
+++ a/arch/sparc/include/asm/pgtable_64.h
@@ -681,6 +681,13 @@ static inline unsigned long pmd_young(pm
return pte_young(pte);
}
+static inline int pmd_dirty(pmd_t pmd)
+{
+ pte_t pte = __pte(pmd_val(pmd));
+
+ return pte_dirty(pte);
+}
+
static inline unsigned long pmd_write(pmd_t pmd)
{
pte_t pte = __pte(pmd_val(pmd));
@@ -730,6 +737,15 @@ static inline pmd_t pmd_mkdirty(pmd_t pm
return __pmd(pte_val(pte));
}
+
+static inline pmd_t pmd_mkclean(pmd_t pmd)
+{
+ pte_t pte = __pte(pmd_val(pmd));
+
+ pte = pte_mkclean(pte);
+
+ return __pmd(pte_val(pte));
+}
static inline pmd_t pmd_mkyoung(pmd_t pmd)
{
_
Patches currently in -mm which might be from minchan@xxxxxxxxxx are
mm-frontswap-invalidate-expired-data-on-a-dup-store-failure.patch
mm-compaction-pass-classzone_idx-and-alloc_flags-to-watermark-checking.patch
mm-compaction-pass-classzone_idx-and-alloc_flags-to-watermark-checking-fix.patch
mm-compaction-simplify-deferred-compaction.patch
mm-compaction-defer-only-on-compact_complete.patch
mm-compaction-always-update-cached-scanner-positions.patch
mm-compaction-always-update-cached-scanner-positions-fix.patch
mm-compaction-more-focused-lru-and-pcplists-draining.patch
mm-compaction-more-focused-lru-and-pcplists-draining-fix.patch
mm-page_isolation-check-pfn-validity-before-access.patch
mm-page_alloc-store-updated-page-migratetype-to-avoid-misusing-stale-value.patch
mm-page_alloc-store-updated-page-migratetype-to-avoid-misusing-stale-value-fix.patch
mm-support-madvisemadv_free.patch
x86-add-pmd_-for-thp.patch
sparc-add-pmd_-for-thp.patch
powerpc-add-pmd_-for-thp.patch
arm-add-pmd_mkclean-for-thp.patch
arm64-add-pmd_-for-thp.patch
mm-dont-split-thp-page-when-syscall-is-called.patch
zsmalloc-merge-size_class-to-reduce-fragmentation.patch
zram-remove-bio-parameter-from-zram_bvec_rw.patch
zram-change-parameter-from-vaild_io_request.patch
zram-implement-rw_page-operation-of-zram.patch
zram-implement-rw_page-operation-of-zram-fix.patch
zram-implement-rw_page-operation-of-zram-fix-2.patch
zram-implement-rw_page-operation-of-zram-fix-2-cleanup.patch
zram-implement-rw_page-operation-of-zram-fix-3.patch
zsmalloc-fix-zs_init-cpu-notifier-error-handling.patch
zsmalloc-fix-zs_init-cpu-notifier-error-handling-fix-2.patch
zsmalloc-fix-zs_init-cpu-notifier-error-handling-fix.patch
zsmalloc-correct-fragile-_atomic-use.patch
mm-zram-correct-zram_zero-flag-bit-position.patch
mm-zswap-add-__init-to-some-functions-in-zswap.patch
debugging-keep-track-of-page-owners.patch
page-owners-correct-page-order-when-to-free-page.patch
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