From: Hugh Dickins <hughd@google.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Minchan Kim <minchan@kernel.org>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: [PATCH mmotm] mm: dont split thp page when syscall is called fix 4
Date: Fri, 16 Oct 2015 15:46:03 -0700 (PDT) [thread overview]
Message-ID: <alpine.LSU.2.11.1510161540460.31102@eggly.anvils> (raw)
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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next reply other threads:[~2015-10-16 22:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-16 22:46 Hugh Dickins [this message]
2015-10-19 6:33 ` Minchan Kim
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