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| author | Andrew Morton <akpm@linux-foundation.org> | 2022-12-01 01:58:42 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-12-01 01:58:42 +0300 |
| commit | a38358c934f66bdff12db762998b88038d7bc44b (patch) | |
| tree | 72747f34cde18a9e2188b6bccb865c14d423b986 /mm/huge_memory.c | |
| parent | ea0ffd0c08d0fef1f6e93eb07badbeeabf6b43d6 (diff) | |
| parent | 1d351f1894342c378b96bb9ed89f8debb1e24e9f (diff) | |
| download | linux-a38358c934f66bdff12db762998b88038d7bc44b.tar.xz | |
Merge branch 'mm-hotfixes-stable' into mm-stable
Diffstat (limited to 'mm/huge_memory.c')
| -rw-r--r-- | mm/huge_memory.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index a00e9c335e69..b26998d1845f 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2206,9 +2206,12 @@ static void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd, entry = pte_wrprotect(entry); if (!young) entry = pte_mkold(entry); - /* NOTE: this may set soft-dirty too on some archs */ - if (dirty) - entry = pte_mkdirty(entry); + /* + * NOTE: we don't do pte_mkdirty when dirty==true + * because it breaks sparc64 which can sigsegv + * random process. Need to revisit when we figure + * out what is special with sparc64. + */ if (soft_dirty) entry = pte_mksoft_dirty(entry); if (uffd_wp) |