diff --git a/lustre/ChangeLog b/lustre/ChangeLog
index e2e84e3da7ba43b43197922f25e36b717d0e8b3b..57ae3e7c9fe32f60ed70bc3793c392ace3ea9b5e 100644
--- a/lustre/ChangeLog
+++ b/lustre/ChangeLog
@@ -2,7 +2,7 @@ tbd  Sun Microsystems, Inc.
        * version 1.8.0
        * Support for kernels:
         2.6.16.54-0.2.5 (SLES 10),
-        2.6.18-53.1.14.el5 (RHEL 5),
+        2.6.18-53.1.19.el5 (RHEL 5),
         2.6.22.14 vanilla (kernel.org).
        * Client support for unpatched kernels:
         (see http://wiki.lustre.org/index.php?title=Patchless_Client)
@@ -12,6 +12,10 @@ tbd  Sun Microsystems, Inc.
        * RHEL 4 and RHEL 5/SLES 10 clients behaves differently on 'cd' to a
         removed cwd "./" (refer to Bugzilla 14399).
 
+Severity   : enhancement
+Bugzilla   : 15741
+Description: Update to RHEL5 kernel-2.6.18-53.1.19.el5.
+
 Severity   : major
 Bugzilla   : 14134
 Description: enable MGS and MDT services start separately
diff --git a/lustre/kernel_patches/kernel_configs/kernel-2.6.18-2.6-rhel5-x86_64-smp.config b/lustre/kernel_patches/kernel_configs/kernel-2.6.18-2.6-rhel5-x86_64-smp.config
index be86ee86a7a94b67cf739305adc563c3ee5c0938..c23f1764f01dee76e3106144489a5d2533fd47bd 100644
--- a/lustre/kernel_patches/kernel_configs/kernel-2.6.18-2.6-rhel5-x86_64-smp.config
+++ b/lustre/kernel_patches/kernel_configs/kernel-2.6.18-2.6-rhel5-x86_64-smp.config
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.18-prep
-# Sat Nov 24 07:53:07 2007
+# Wed Jun  4 07:25:06 2008
 #
 CONFIG_X86_64=y
 CONFIG_64BIT=y
@@ -2939,7 +2939,6 @@ CONFIG_CRC32=y
 CONFIG_LIBCRC32C=y
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=m
-CONFIG_GENERIC_ALLOCATOR=y
 CONFIG_REED_SOLOMON=m
 CONFIG_REED_SOLOMON_DEC16=y
 CONFIG_TEXTSEARCH=y
diff --git a/lustre/kernel_patches/kernel_configs/kernel-2.6.18-2.6-rhel5-x86_64.config b/lustre/kernel_patches/kernel_configs/kernel-2.6.18-2.6-rhel5-x86_64.config
index 99b4df7fe4dfa7e4b5d9057a7789be187b6a9f1d..ba22c5e07078e6e4da18dbfa1c61a5c6f37ba233 100644
--- a/lustre/kernel_patches/kernel_configs/kernel-2.6.18-2.6-rhel5-x86_64.config
+++ b/lustre/kernel_patches/kernel_configs/kernel-2.6.18-2.6-rhel5-x86_64.config
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.18-prep
-# Sat Nov 24 07:56:00 2007
+# Wed Jun  4 07:34:21 2008
 #
 CONFIG_X86_64=y
 CONFIG_64BIT=y
@@ -2923,7 +2923,6 @@ CONFIG_CRC32=y
 CONFIG_LIBCRC32C=y
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=m
-CONFIG_GENERIC_ALLOCATOR=y
 CONFIG_REED_SOLOMON=m
 CONFIG_REED_SOLOMON_DEC16=y
 CONFIG_TEXTSEARCH=y
diff --git a/lustre/kernel_patches/targets/2.6-rhel5.target.in b/lustre/kernel_patches/targets/2.6-rhel5.target.in
index 90df0f944509db9096e70e8ee08b2795d28b3a79..bca6ca7278e0795fa80f1420b5b25e4a5ccd675a 100644
--- a/lustre/kernel_patches/targets/2.6-rhel5.target.in
+++ b/lustre/kernel_patches/targets/2.6-rhel5.target.in
@@ -1,5 +1,5 @@
 lnxmaj="2.6.18"
-lnxrel="53.1.14.el5"
+lnxrel="53.1.19.el5"
 
 KERNEL=linux-${lnxmaj}-${lnxrel}.tar.bz2
 SERIES=2.6-rhel5.series
diff --git a/lustre/kernel_patches/which_patch b/lustre/kernel_patches/which_patch
index 98ea83c20dd467783dff3490210b9885e2a9e6b5..7d77decb98d7c89f19d5a7911494079f19d89c77 100644
--- a/lustre/kernel_patches/which_patch
+++ b/lustre/kernel_patches/which_patch
@@ -3,7 +3,7 @@ SERIES                VERSION                  COMMENT
 SUPPORTED KERNELS:
 2.6-rhel4             RHEL4: 2.6.9-67.0.7.EL
 2.6-sles10            SLES10: 2.6.16.54-0.2.5
-2.6-rhel5             RHEL5: 2.6.18-53.1.14.el5
+2.6-rhel5             RHEL5: 2.6.18-53.1.19.el5
 2.6.18-vanilla        kernel.org: 2.6.18.8
 2.6.22-vanilla        kernel.org: 2.6.22.14