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Commit da160546 authored by Hugh Dickins's avatar Hugh Dickins Committed by David S. Miller
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[SPARC64] mm: update get_user_insn comment 



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: default avatarHugh Dickins <hugh@veritas.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d5a858bc

arch/sparc64/mm/fault.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -109,7 +109,7 @@ static void bad_kernel_pc(struct pt_regs *regs) 
 * this. Additionally, to prevent kswapd from ripping ptes from

 * this. Additionally, to prevent kswapd from ripping ptes from

 * under us, raise interrupts around the time that we look at the

 * 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

 * 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)

static unsigned int get_user_insn(unsigned long tpc)

{

{