From: Martin Hicks <mort@wildopensource.com>
To: linux-ia64@vger.kernel.org
Subject: [Linux-ia64] [PATCH] 2.5 - Change mmu_gathers into per-cpu data
Date: Fri, 23 May 2003 17:52:46 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590723706004@msgid-missing> (raw)
[-- Attachment #1: Type: text/plain, Size: 1984 bytes --]
Hello,
Here is a patch to move the mmu_gathers struct into the per-cpu data
region.
The patch is against the linux-ia64-2.5 tree.
--
Wild Open Source Inc. mort@wildopensource.com
# 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 1.1100 -> 1.1101
# include/asm-ia64/tlb.h 1.13 -> 1.14
# arch/ia64/mm/init.c 1.36 -> 1.37
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 03/05/22 mort@green.i.bork.org 1.1101
# per-cpu-mmu_gathers.diff
# --------------------------------------------
#
diff -Nru a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
--- a/arch/ia64/mm/init.c Fri May 23 13:48:36 2003
+++ b/arch/ia64/mm/init.c Fri May 23 13:48:36 2003
@@ -29,7 +29,7 @@
#include <asm/uaccess.h>
#include <asm/tlb.h>
-struct mmu_gather mmu_gathers[NR_CPUS];
+DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
/* References to section boundaries: */
extern char _stext, _etext, _edata, __init_begin, __init_end;
diff -Nru a/include/asm-ia64/tlb.h b/include/asm-ia64/tlb.h
--- a/include/asm-ia64/tlb.h Fri May 23 13:48:36 2003
+++ b/include/asm-ia64/tlb.h Fri May 23 13:48:36 2003
@@ -63,7 +63,7 @@
};
/* Users of the generic TLB shootdown code must declare this storage space. */
-extern struct mmu_gather mmu_gathers[NR_CPUS];
+DECLARE_PER_CPU(struct mmu_gather, mmu_gathers);
/*
* Flush the TLB for address range START to END and, if not in fast mode, release the
@@ -125,7 +125,7 @@
static inline struct mmu_gather *
tlb_gather_mmu (struct mm_struct *mm, unsigned int full_mm_flush)
{
- struct mmu_gather *tlb = &mmu_gathers[smp_processor_id()];
+ struct mmu_gather *tlb = &per_cpu(mmu_gathers, smp_processor_id());
tlb->mm = mm;
/*
[-- Attachment #2: Type: application/pgp-signature, Size: 189 bytes --]
next reply other threads:[~2003-05-23 17:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-23 17:52 Martin Hicks [this message]
2003-05-23 18:39 ` [Linux-ia64] [PATCH] 2.5 - Change mmu_gathers into per-cpu data Christoph Hellwig
2003-05-23 19:00 ` Martin Hicks
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=marc-linux-ia64-105590723706004@msgid-missing \
--to=mort@wildopensource.com \
--cc=linux-ia64@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.