The patch titled
mm: fix fault vs invalidate race for linear mappings fix
has been added to the -mm tree. Its filename is
mm-fix-fault-vs-invalidate-race-for-linear-mappings-fix.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: mm: fix fault vs invalidate race for linear mappings fix
From: Nick Piggin <npiggin@xxxxxxx>
Don't miss unlocking a locked page in GFS2.
Signed-off-by: Nick Piggin <npiggin@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/gfs2/ops_vm.c | 2 ++
1 files changed, 2 insertions(+)
diff -puN fs/gfs2/ops_vm.c~mm-fix-fault-vs-invalidate-race-for-linear-mappings-fix fs/gfs2/ops_vm.c
--- a/fs/gfs2/ops_vm.c~mm-fix-fault-vs-invalidate-race-for-linear-mappings-fix
+++ a/fs/gfs2/ops_vm.c
@@ -138,6 +138,8 @@ static struct page *gfs2_sharewrite_nopa
if (alloc_required) {
error = alloc_page_backing(ip, result);
if (error) {
+ if (area->vm_flags & VM_CAN_INVALIDATE)
+ unlock_page(result);
page_cache_release(result);
result = NULL;
goto out;
_
Patches currently in -mm which might be from npiggin@xxxxxxx are
mm-fix-fault-vs-invalidate-race-for-linear-mappings.patch
mm-fix-fault-vs-invalidate-race-for-linear-mappings-fix.patch
mm-merge-populate-and-nopage-into-fault-fixes-nonlinear.patch
mm-merge-nopfn-into-fault.patch
mm-remove-legacy-cruft.patch
mm-debug-check-for-the-fault-vs-invalidate-race.patch
mm-fix-clear_page_dirty_for_io-vs-fault-race.patch
git-arm-master.patch
slob-rework-freelist-handling.patch
slob-remove-bigblock-tracking.patch
slob-improved-alignment-handling.patch
mm-document-fault_data-and-flags.patch
fs-introduce-some-page-buffer-invariants.patch
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