X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fkernel_patches%2Fpatches%2Fvm-tunables-rhel4.patch;h=db2460b21721b3ac0338c1f0350e67677b8ea036;hp=7e4a9d615e30ab8ece44e3d889bc392a13784c38;hb=b1e3e330d945a2ce78b7a0d794006c2b00698013;hpb=fb1c60ab9ff510024275dababe55ddf325f7ca1f

diff --git a/lustre/kernel_patches/patches/vm-tunables-rhel4.patch b/lustre/kernel_patches/patches/vm-tunables-rhel4.patch
index 7e4a9d6..db2460b 100644
--- a/lustre/kernel_patches/patches/vm-tunables-rhel4.patch
+++ b/lustre/kernel_patches/patches/vm-tunables-rhel4.patch
@@ -17,57 +17,3 @@ Index: linux+rhel4+chaos/mm/page_alloc.c
  		spin_unlock_irqrestore(&zone->lru_lock, flags);
  	}
  }
-@@ -1982,24 +1986,25 @@ static void setup_per_zone_pages_min(voi
-  * Initialise min_free_kbytes.
-  *
-  * For small machines we want it small (128k min).  For large machines
-- * we want it large (16MB max).  But it is not linear, because network
-+ * we want it large (64MB max).  But it is not linear, because network
-  * bandwidth does not increase linearly with machine size.  We use
-  *
-- *	min_free_kbytes = sqrt(lowmem_kbytes)
-+ *	min_free_kbytes = 4 * sqrt(lowmem_kbytes), for better accuracy
-+ *  min_free_kbytes = sqrt(lowmem_kbytes * 16) 
-  *
-  * which yields
-  *
-- * 16MB:	128k
-- * 32MB:	181k
-- * 64MB:	256k
-- * 128MB:	362k
-- * 256MB:	512k
-- * 512MB:	724k
-- * 1024MB:	1024k
-- * 2048MB:	1448k
-- * 4096MB:	2048k
-- * 8192MB:	2896k
-- * 16384MB:	4096k
-+ * 16MB:	512k
-+ * 32MB:	724k
-+ * 64MB:	1024k
-+ * 128MB:	1448k
-+ * 256MB:	2048k
-+ * 512MB:	2896k
-+ * 1024MB:	4096k
-+ * 2048MB:	5792k
-+ * 4096MB:	8192k
-+ * 8192MB:	11584k
-+ * 16384MB:	16384k
-  */
- static int __init init_per_zone_pages_min(void)
- {
-@@ -2007,11 +2012,11 @@ static int __init init_per_zone_pages_mi
- 
- 	lowmem_kbytes = nr_free_buffer_pages() * (PAGE_SIZE >> 10);
- 
--	min_free_kbytes = int_sqrt(lowmem_kbytes);
-+	min_free_kbytes = int_sqrt(lowmem_kbytes * 16);
- 	if (min_free_kbytes < 128)
- 		min_free_kbytes = 128;
--	if (min_free_kbytes > 16384)
--		min_free_kbytes = 16384;
-+	if (min_free_kbytes > 65536)
-+		min_free_kbytes = 65536;
- 	setup_per_zone_pages_min();
- 	setup_per_zone_protection();
- 	return 0;