The patch titled
Subject: do_shared_fault(): check that mmap_sem is held
has been removed from the -mm tree. Its filename was
do_shared_fault-check-that-mmap_sem-is-held.patch
This patch was dropped because it is obsolete
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: do_shared_fault(): check that mmap_sem is held
mmap_sem() is required to protect the vma, which holds ->vm_file, which
pins fault_page->mapping.
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: Bob Liu <lliubbo@xxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>
Cc: Matthew Wilcox <matthew.r.wilcox@xxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Sasha Levin <sasha.levin@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN mm/memory.c~do_shared_fault-check-that-mmap_sem-is-held mm/memory.c
--- a/mm/memory.c~do_shared_fault-check-that-mmap_sem-is-held
+++ a/mm/memory.c
@@ -3083,6 +3083,8 @@ static int do_shared_fault(struct mm_str
int dirtied = 0;
int ret, tmp;
+ WARN_ON_ONCE(!rwsem_is_locked(&mm->mmap_sem));
+
ret = __do_fault(vma, address, pgoff, flags, NULL, &fault_page);
if (unlikely(ret & (VM_FAULT_ERROR | VM_FAULT_NOPAGE | VM_FAULT_RETRY)))
return ret;
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
i-need-old-gcc.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
arm-arch-arm-include-asm-pageh-needs-personalityh.patch
mm.patch
mm-rename-_count-field-of-the-struct-page-to-_refcount-fix.patch
mm-rename-_count-field-of-the-struct-page-to-_refcount-fix-fix.patch
include-linux-apply-__malloc-attribute-checkpatch-fixes.patch
include-linux-nodemaskh-create-next_node_in-helper.patch
include-linux-nodemaskh-create-next_node_in-helper-fix-fix.patch
mm-hugetlbc-use-first_memory_node.patch
mm-mempolicyc-offset_il_node-document-and-clarify.patch
mm-compaction-direct-freepage-allocation-for-async-direct-compaction-checkpatch-fixes.patch
mm-uninline-page_mapped.patch
mm-uninline-page_mapped-checkpatch-fixes.patch
exit_thread-remove-empty-bodies-fix.patch
exit_thread-accept-a-task-parameter-to-be-exited-checkpatch-fixes.patch
linux-next-rejects.patch
drivers-net-wireless-intel-iwlwifi-dvm-calibc-fix-min-warning.patch
kernel-forkc-export-kernel_thread-to-modules.patch
slab-leaks3-default-y.patch
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