The patch titled
Subject: mm: convert i_mmap_mutex to rwsem fix
has been added to the -mm tree. Its filename is
mm-convert-i_mmap_mutex-to-rwsem-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-convert-i_mmap_mutex-to-rwsem-fix.patch
echo and later at
echo http://ozlabs.org/~akpm/mmotm/broken-out/mm-convert-i_mmap_mutex-to-rwsem-fix.patch
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------------------------------------------------------
From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Subject: mm: convert i_mmap_mutex to rwsem fix
Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Cc: Davidlohr Bueso <dave@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/fremap.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN mm/fremap.c~mm-convert-i_mmap_mutex-to-rwsem-fix mm/fremap.c
--- a/mm/fremap.c~mm-convert-i_mmap_mutex-to-rwsem-fix
+++ a/mm/fremap.c
@@ -238,13 +238,13 @@ get_write_lock:
}
goto out_freed;
}
- mutex_lock(&mapping->i_mmap_mutex);
+ i_mmap_lock_write(mapping);
flush_dcache_mmap_lock(mapping);
vma->vm_flags |= VM_NONLINEAR;
vma_interval_tree_remove(vma, &mapping->i_mmap);
vma_nonlinear_insert(vma, &mapping->i_mmap_nonlinear);
flush_dcache_mmap_unlock(mapping);
- mutex_unlock(&mapping->i_mmap_mutex);
+ i_mmap_unlock_write(mapping);
}
if (vma->vm_flags & VM_LOCKED) {
_
Patches currently in -mm which might be from sfr@xxxxxxxxxxxxxxxx are
mm-memcontrol-lockless-page-counters-fix-2.patch
mm-convert-i_mmap_mutex-to-rwsem-fix.patch
gcov-enable-gcov_profile_all-from-arch-kconfigs.patch
linux-next.patch
mm-cma-make-kmemleak-ignore-cma-regions.patch
kernel-forkc-export-kernel_thread-to-modules.patch
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