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| Started by | Hugh Dickins <hughd@google.com> |
|---|---|
| First post | 2015-10-17 00:50 +0200 |
| Last post | 2015-10-17 00:50 +0200 |
| Articles | 1 — 1 participant |
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[PATCH mmotm] mm: dont split thp page when syscall is called fix 4 Hugh Dickins <hughd@google.com> - 2015-10-17 00:50 +0200
| From | Hugh Dickins <hughd@google.com> |
|---|---|
| Date | 2015-10-17 00:50 +0200 |
| Subject | [PATCH mmotm] mm: dont split thp page when syscall is called fix 4 |
| Message-ID | <qklZ1-3t5-29@gated-at.bofh.it> |
Compiler gives helpful warnings that madvise_free_pte_range()
has the args to split_huge_pmd() the wrong way round.
Signed-off-by: Hugh Dickins <hughd@google.com>
--- mmotm/mm/madvise.c 2015-10-15 15:26:59.839572171 -0700
+++ linux/mm/madvise.c 2015-10-16 11:59:10.144527813 -0700
@@ -283,7 +283,7 @@ static int madvise_free_pte_range(pmd_t
next = pmd_addr_end(addr, end);
if (pmd_trans_huge(*pmd)) {
if (next - addr != HPAGE_PMD_SIZE)
- split_huge_pmd(vma, addr, pmd);
+ split_huge_pmd(vma, pmd, addr);
else if (!madvise_free_huge_pmd(tlb, vma, pmd, addr))
goto next;
/* fall through */
--
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