Re: [PATCH 06/10] [vfs] don't put symlink bodies in pagecache into highmem

From: Dave Chinner
Date: Thu Nov 19 2015 - 18:03:13 EST

On Tue, Nov 17, 2015 at 11:00:42PM +0000, Al Viro wrote:
> From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
> kmap() in page_follow_link_light() needed to go - allowing to hold
> an arbitrary number of kmaps for long is a great way to deadlocking
> the system.
> new helper (inode_nohigh(inode)) needs to be used for pagecache

inode_nohighmem() seems like a better name as it's self-documenting
at the call site.


Dave Chinner
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