From: Con Kolivas <kernel@kolivas.org>
To: linux-mm@kvack.org
Cc: linux kernel mailing list <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>
Subject: [PATCH] mm: is_dma_zone
Date: Fri, 18 Nov 2005 00:59:50 +1100 [thread overview]
Message-ID: <200511180059.51211.kernel@kolivas.org> (raw)
Add a simple is_dma helper function to remain consistent with respect to
avoiding the use of ZONE_* outside the headers.
Signed-off-by: Con Kolivas <kernel@kolivas.org>
include/linux/mmzone.h | 5 +++++
mm/swap_prefetch.c | 2 +-
2 files changed, 6 insertions(+), 1 deletion(-)
---
Index: linux-2.6.14-mm2/include/linux/mmzone.h
===================================================================
--- linux-2.6.14-mm2.orig/include/linux/mmzone.h
+++ linux-2.6.14-mm2/include/linux/mmzone.h
@@ -425,6 +425,11 @@ static inline int is_normal(struct zone
return zone == zone->zone_pgdat->node_zones + ZONE_NORMAL;
}
+static inline int is_dma(struct zone *zone)
+{
+ return zone == zone->zone_pgdat->node_zones + ZONE_DMA;
+}
+
/* These two functions are used to setup the per zone pages min values */
struct ctl_table;
struct file;
Index: linux-2.6.14-mm2/mm/swap_prefetch.c
===================================================================
--- linux-2.6.14-mm2.orig/mm/swap_prefetch.c
+++ linux-2.6.14-mm2/mm/swap_prefetch.c
@@ -180,7 +180,7 @@ static struct page *prefetch_get_page(vo
continue;
/* We don't prefetch into DMA */
- if (zone_idx(z) == ZONE_DMA)
+ if (is_dma(z))
continue;
free = z->free_pages;
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next reply other threads:[~2005-11-17 13:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-17 13:59 Con Kolivas [this message]
2005-11-17 14:15 ` Dave Hansen
2005-11-17 14:19 ` Con Kolivas
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=200511180059.51211.kernel@kolivas.org \
--to=kernel@kolivas.org \
--cc=akpm@osdl.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox