From: Hugh Dickins <hugh@veritas.com>
Date: Tue, 8 Nov 2005 18:00:55 +0000 (-0800)
Subject: [SPARC64] mm: update get_user_insn comment
X-Git-Tag: v2.6.15-rc1~405^2
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=da1605465ebdb9dc25296a354394086cd559c243;p=~shefty%2Frdma-dev.git

[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: Hugh Dickins <hugh@veritas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c
index 31fbc67719a..3be278d916d 100644
--- a/arch/sparc64/mm/fault.c
+++ b/arch/sparc64/mm/fault.c
@@ -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)
 {