2002-09-16 03:03:32

by Rik van Riel

[permalink] [raw]
Subject: Re: [PATCH](3/2) rmap14 for ac (was: Re: 2.5.34-mm4)

Hi,

as an added bonus, here is patch 3 out of 2, with a small
SMP bugfix. It turned out Arjan's patch for rmap14 wasn't
safe as vmtruncate calls zap_page_range while holding a
spinlock. Guess I'll have to release rmap14b soon ;)

Rik
--
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# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher.
# This patch includes the following deltas:
# ChangeSet 1.688 -> 1.689
# mm/memory.c 1.56 -> 1.57
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 02/09/16 [email protected] 1.689
# vmtruncate calls zap_page_range() with a spinlock held, so remove
# the explicit low latency schedule -- rml
# --------------------------------------------
#
diff -Nru a/mm/memory.c b/mm/memory.c
--- a/mm/memory.c Mon Sep 16 00:05:15 2002
+++ b/mm/memory.c Mon Sep 16 00:05:15 2002
@@ -436,9 +436,6 @@

spin_unlock(&mm->page_table_lock);

- if (current->need_resched)
- schedule();
-
address += block;
size -= block;
}