From: Davidlohr Bueso <dave@stgolabs.net>
To: Mike Kravetz <mike.kravetz@oracle.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Dave Hansen <dave.hansen@linux.intel.com>,
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
Hugh Dickins <hughd@google.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] mm/hugetlb: i_mmap_lock_write before unmapping in remove_inode_hugepages
Date: Fri, 23 Oct 2015 06:45:53 -0700 [thread overview]
Message-ID: <20151023134553.GE27292@linux-uzut.site> (raw)
In-Reply-To: <1445478147-29782-1-git-send-email-mike.kravetz@oracle.com>
On Wed, 21 Oct 2015, Mike Kravetz wrote:
>Code was added to remove_inode_hugepages that will unmap a page if
>it is mapped. i_mmap_lock_write() must be taken during the call
>to hugetlb_vmdelete_list(). This is to prevent mappings(vmas) from
>being added or deleted while the list of vmas is being examined.
^^^^ interval-tree.
>
>Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: Davidlohr Bueso <dbueso@suse.de>
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prev parent reply other threads:[~2015-10-23 13:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-22 1:42 [PATCH] mm/hugetlb: i_mmap_lock_write before unmapping in remove_inode_hugepages Mike Kravetz
2015-10-23 13:45 ` Davidlohr Bueso [this message]
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