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[SPARC64] mm: update get_user_insn comment

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Update comment on get_user_insn to the more general "pte lock", which may
or may not be the page_table_lock.  Note vmtruncate handled like kswapd.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hugh Dickins 2005-11-08 10:00:55 -08:00 committed by David S. Miller
parent d5a858bc14
commit da1605465e
1 changed files with 1 additions and 1 deletions
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arch/sparc64/mm/fault.c
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@ -109,7 +109,7 @@ static void bad_kernel_pc(struct pt_regs *regs)
* this. Additionally, to prevent kswapd from ripping ptes from
* under us, raise interrupts around the time that we look at the
* pte, kswapd will have to wait to get his smp ipi response from
* us. This saves us having to get page_table_lock.
* us. vmtruncate likewise. This saves us having to get pte lock.
*/
static unsigned int get_user_insn(unsigned long tpc)
{