From: Manfred Spraul <manfred@colorfullife.com>
To: Andrew Morton <akpm@digeo.com>
Cc: linux-arch@vger.kernel.org
Subject: Re: [PATCH] Allow arch override for kmem_bufctl_t
Date: Sat, 15 May 2004 14:24:01 +0200 [thread overview]
Message-ID: <40A60BE1.2060809@colorfullife.com> (raw)
In-Reply-To: <40A60984.1070202@colorfullife.com>
[-- Attachment #1: Type: text/plain, Size: 47 bytes --]
Attached is the patch - sorry.
--
Manfred
[-- Attachment #2: patch-slab-mm-02-bufctl --]
[-- Type: text/plain, Size: 1352 bytes --]
// $Header$
// Kernel Version:
// VERSION = 2
// PATCHLEVEL = 6
// SUBLEVEL = 6
// EXTRAVERSION = -mm2
--- 2.6/mm/slab.c 2004-05-15 11:38:22.000000000 +0200
+++ build-2.6/mm/slab.c 2004-05-15 13:01:47.000000000 +0200
@@ -161,10 +161,9 @@
* is less than 512 (PAGE_SIZE<<3), but greater than 256.
*/
-#define BUFCTL_END 0xffffFFFF
-#define BUFCTL_FREE 0xffffFFFE
-#define SLAB_LIMIT 0xffffFFFD
-typedef unsigned int kmem_bufctl_t;
+#define BUFCTL_END (((kmem_bufctl_t)(~0U))-0)
+#define BUFCTL_FREE (((kmem_bufctl_t)(~0U))-1)
+#define SLAB_LIMIT (((kmem_bufctl_t)(~0U))-2)
/* Max number of objs-per-slab for caches which use off-slab slabs.
* Needed to avoid a possible looping condition in cache_grow().
--- 2.6/include/linux/types.h 2004-05-15 11:21:51.000000000 +0200
+++ build-2.6/include/linux/types.h 2004-05-15 12:57:29.000000000 +0200
@@ -140,6 +140,9 @@
#define pgoff_t unsigned long
#endif
+#ifndef HAVE_KMEM_BUFCTL_T
+typedef unsigned int kmem_bufctl_t;
+#endif
#endif /* __KERNEL_STRICT_NAMES */
/*
--- 2.6/include/asm-i386/types.h 2004-01-09 07:59:44.000000000 +0100
+++ build-2.6/include/asm-i386/types.h 2004-05-15 12:57:51.000000000 +0200
@@ -63,6 +63,9 @@
#define HAVE_SECTOR_T
#endif
+#define HAVE_KMEM_BUFCTL_T 1
+typedef unsigned short kmem_bufctl_t;
+
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
next prev parent reply other threads:[~2004-05-15 12:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-15 12:13 [PATCH] Allow arch override for kmem_bufctl_t Manfred Spraul
2004-05-15 12:24 ` Manfred Spraul [this message]
2004-05-17 9:09 ` Andi Kleen
2004-05-17 9:11 ` Geert Uytterhoeven
2004-05-17 11:28 ` Ralf Baechle
2004-05-17 11:39 ` Ivan Kokshaysky
2004-05-17 12:39 ` Andi Kleen
2004-05-17 18:22 ` David Mosberger
2004-05-17 21:16 ` David S. Miller
2004-05-17 21:25 ` Matthew Wilcox
2004-05-18 5:04 ` Manfred Spraul
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