From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: Davidlohr Bueso <dave@stgolabs.net>
Cc: akpm@linux-foundation.org, hughd@google.com, riel@redhat.com,
mgorman@suse.de, peterz@infradead.org, mingo@kernel.org,
linux-kernel@vger.kernel.org, dbueso@suse.de, linux-mm@kvack.org
Subject: Re: [PATCH 03/10] mm: convert i_mmap_mutex to rwsem
Date: Sat, 25 Oct 2014 01:45:37 +0300 [thread overview]
Message-ID: <20141024224537.GA21108@node.dhcp.inet.fi> (raw)
In-Reply-To: <1414188380-17376-4-git-send-email-dave@stgolabs.net>
On Fri, Oct 24, 2014 at 03:06:13PM -0700, Davidlohr Bueso wrote:
> diff --git a/mm/fremap.c b/mm/fremap.c
> index 72b8fa3..11ef7ec 100644
> --- a/mm/fremap.c
> +++ b/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) {
This should go to previous patch.
--
Kirill A. Shutemov
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WARNING: multiple messages have this Message-ID (diff)
From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: Davidlohr Bueso <dave@stgolabs.net>
Cc: akpm@linux-foundation.org, hughd@google.com, riel@redhat.com,
mgorman@suse.de, peterz@infradead.org, mingo@kernel.org,
linux-kernel@vger.kernel.org, dbueso@suse.de, linux-mm@kvack.org
Subject: Re: [PATCH 03/10] mm: convert i_mmap_mutex to rwsem
Date: Sat, 25 Oct 2014 01:45:37 +0300 [thread overview]
Message-ID: <20141024224537.GA21108@node.dhcp.inet.fi> (raw)
In-Reply-To: <1414188380-17376-4-git-send-email-dave@stgolabs.net>
On Fri, Oct 24, 2014 at 03:06:13PM -0700, Davidlohr Bueso wrote:
> diff --git a/mm/fremap.c b/mm/fremap.c
> index 72b8fa3..11ef7ec 100644
> --- a/mm/fremap.c
> +++ b/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) {
This should go to previous patch.
--
Kirill A. Shutemov
next prev parent reply other threads:[~2014-10-24 22:48 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-24 22:06 [PATCH 00/10] mm: improve usage of the i_mmap lock Davidlohr Bueso
2014-10-24 22:06 ` Davidlohr Bueso
2014-10-24 22:06 ` [PATCH 01/10] mm,fs: introduce helpers around the i_mmap_mutex Davidlohr Bueso
2014-10-24 22:06 ` Davidlohr Bueso
2014-10-24 22:06 ` [PATCH 02/10] mm: use new helper functions " Davidlohr Bueso
2014-10-24 22:06 ` Davidlohr Bueso
2014-10-24 22:06 ` [PATCH 03/10] mm: convert i_mmap_mutex to rwsem Davidlohr Bueso
2014-10-24 22:06 ` Davidlohr Bueso
2014-10-24 22:45 ` Kirill A. Shutemov [this message]
2014-10-24 22:45 ` Kirill A. Shutemov
2014-10-28 20:27 ` Davidlohr Bueso
2014-10-28 20:27 ` Davidlohr Bueso
2014-10-24 22:06 ` [PATCH 04/10] mm/rmap: share the i_mmap_rwsem Davidlohr Bueso
2014-10-24 22:06 ` Davidlohr Bueso
2014-10-24 22:06 ` [PATCH 05/10] uprobes: " Davidlohr Bueso
2014-10-24 22:06 ` Davidlohr Bueso
2014-10-27 7:03 ` Srikar Dronamraju
2014-10-27 7:03 ` Srikar Dronamraju
2014-10-28 2:02 ` Oleg Nesterov
2014-10-28 2:02 ` Oleg Nesterov
2014-10-24 22:06 ` [PATCH 06/10] mm/xip: " Davidlohr Bueso
2014-10-24 22:06 ` Davidlohr Bueso
2014-10-24 22:06 ` [PATCH 07/10] mm/memory-failure: " Davidlohr Bueso
2014-10-24 22:06 ` Davidlohr Bueso
2014-10-24 22:06 ` [PATCH 08/10] mm/mremap: " Davidlohr Bueso
2014-10-24 22:06 ` Davidlohr Bueso
2014-10-24 22:06 ` [PATCH 09/10] mm/nommu: " Davidlohr Bueso
2014-10-24 22:06 ` Davidlohr Bueso
2014-10-24 22:16 ` [PATCH 10/10] mm/hugetlb: " Davidlohr Bueso
2014-10-24 22:16 ` Davidlohr Bueso
2014-10-28 14:08 ` [PATCH 00/10] mm: improve usage of the i_mmap lock Kirill A. Shutemov
2014-10-28 14:08 ` Kirill A. Shutemov
-- strict thread matches above, loose matches on Subject: below --
2014-10-30 19:34 [PATCH v2 -next " Davidlohr Bueso
2014-10-30 19:34 ` [PATCH 03/10] mm: convert i_mmap_mutex to rwsem Davidlohr Bueso
2014-10-30 19:34 ` Davidlohr Bueso
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