From: Yasunori Goto <y-goto@jp.fujitsu.com>
To: linux-mm <linux-mm@kvack.org>,
Linux Hotplug Memory Support <lhms-devel@lists.sourceforge.net>
Cc: Joel Schopp <jschopp@austin.ibm.com>, linux-ia64@vger.kernel.org
Subject: [Patch] New zone ZONE_EASY_RECLAIM take 2[1/5]
Date: Mon, 28 Nov 2005 20:36:10 +0900 [thread overview]
Message-ID: <20051128200009.5D7A.Y-GOTO@jp.fujitsu.com> (raw)
This defines __GFP flag for new zone with GFP_DMA32.
Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Index: new_zone_mm/include/linux/gfp.h
===================================================================
--- new_zone_mm.orig/include/linux/gfp.h 2005-11-17 16:47:04.000000000 +0900
+++ new_zone_mm/include/linux/gfp.h 2005-11-17 17:29:16.000000000 +0900
@@ -16,10 +16,13 @@ struct vm_area_struct;
#define __GFP_HIGHMEM ((__force gfp_t)0x02u)
#ifdef CONFIG_DMA_IS_DMA32
#define __GFP_DMA32 ((__force gfp_t)0x01) /* ZONE_DMA is ZONE_DMA32 */
+#define __GFP_EASY_RECLAIM ((__force gfp_t)0x04u)
#elif BITS_PER_LONG < 64
#define __GFP_DMA32 ((__force gfp_t)0x00) /* ZONE_NORMAL is ZONE_DMA32 */
+#define __GFP_EASY_RECLAIM ((__force gfp_t)0x04u)
#else
#define __GFP_DMA32 ((__force gfp_t)0x04) /* Has own ZONE_DMA32 */
+#define __GFP_EASY_RECLAIM ((__force gfp_t)0x08u)
#endif
/*
@@ -66,7 +69,7 @@ struct vm_area_struct;
#define GFP_USER (__GFP_VALID | __GFP_WAIT | __GFP_IO | __GFP_FS | \
__GFP_HARDWALL)
#define GFP_HIGHUSER (__GFP_VALID | __GFP_WAIT | __GFP_IO | __GFP_FS | \
- __GFP_HIGHMEM | __GFP_HARDWALL)
+ __GFP_HIGHMEM | __GFP_HARDWALL | __GFP_EASY_RECLAIM)
/* Flag - indicates that the buffer will be suitable for DMA. Ignored on some
platforms, used as appropriate on others */
Index: new_zone_mm/include/linux/mmzone.h
===================================================================
--- new_zone_mm.orig/include/linux/mmzone.h 2005-11-17 16:47:04.000000000 +0900
+++ new_zone_mm/include/linux/mmzone.h 2005-11-17 17:29:01.000000000 +0900
@@ -92,7 +92,7 @@ struct per_cpu_pageset {
* be 8 (2 ** 3) zonelists. GFP_ZONETYPES defines the number of possible
* combinations of zone modifiers in "zone modifier space".
*/
-#define GFP_ZONEMASK 0x03
+#define GFP_ZONEMASK 0x0f
/*
* As an optimisation any zone modifier bits which are only valid when
--
Yasunori Goto
--
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>
reply other threads:[~2005-11-28 11:36 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=20051128200009.5D7A.Y-GOTO@jp.fujitsu.com \
--to=y-goto@jp.fujitsu.com \
--cc=jschopp@austin.ibm.com \
--cc=lhms-devel@lists.sourceforge.net \
--cc=linux-ia64@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