Christoph Hellwig a écrit :
On Thu, Aug 25, 2005 at 10:45:12AM +0200, Eric Dumazet wrote:
This patch assumes that atomic_read() is a plain {return v->counter;} on
all architectures. (keywords : sysctl, /proc/sys/fs/file-nr, proc_dointvec)
But that's not true. You need to write you own sysctl handler for it,
probably worth adding a generic atomic_t sysctl handler while you're
at it.
I checked linux-2.6.13-rc7 tree, and atomic_read() is just a wrapper to read
v->counter.
In the ancient times, yes, atomic_read() was different on some archs, but not
today.
Eric
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