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authorFlorian Fainelli <florian@openwrt.org>2009-05-01 09:23:31 +0000
committerFlorian Fainelli <florian@openwrt.org>2009-05-01 09:23:31 +0000
commit35fd7d6d20706f62d8be6fe2e846049c1803d867 (patch)
tree16f82b47dfeb024e5eb1360a7775aa011cf46293 /target
parent6fa4734cde9e5f91a0ef6d008043f87e02758c11 (diff)
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use vmalloc instead of kmalloc when reserving space for the lzma initramfs (#3488)
SVN-Revision: 15534
Diffstat (limited to 'target')
-rw-r--r--target/linux/brcm47xx/patches-2.6.28/500-lzma_initramfs.patch30
1 files changed, 19 insertions, 11 deletions
diff --git a/target/linux/brcm47xx/patches-2.6.28/500-lzma_initramfs.patch b/target/linux/brcm47xx/patches-2.6.28/500-lzma_initramfs.patch
index dc49e1206f..c2acdeeca9 100644
--- a/target/linux/brcm47xx/patches-2.6.28/500-lzma_initramfs.patch
+++ b/target/linux/brcm47xx/patches-2.6.28/500-lzma_initramfs.patch
@@ -1,6 +1,14 @@
---- a/init/initramfs.c
-+++ b/init/initramfs.c
-@@ -475,6 +475,69 @@ static void __init flush_window(void)
+--- a/init/initramfs.c 2009-03-23 22:55:52.000000000 +0100
++++ b/init/initramfs.c 2009-05-01 11:15:46.000000000 +0200
+@@ -7,6 +7,7 @@
+ #include <linux/string.h>
+ #include <linux/syscalls.h>
+ #include <linux/utime.h>
++#include <linux/vmalloc.h>
+
+ static __initdata char *message;
+ static void __init error(char *x)
+@@ -475,6 +476,69 @@
outcnt = 0;
}
@@ -40,13 +48,13 @@
+ workspace_size = ((LZMA_BASE_SIZE + (LZMA_LIT_SIZE << (lc + lp))) * sizeof(CProb)) + 100;
+ printk( KERN_NOTICE "initramfs: LZMA lc=%d,lp=%d,pb=%d,origSize=%d\n",
+ lc,lp,pb,osize);
-+ outputbuffer = kmalloc(osize, GFP_KERNEL);
++ outputbuffer = vmalloc(osize);
+ if (outputbuffer == 0) {
+ printk(KERN_ERR "initramfs: Couldn't allocate lzma output buffer\n");
+ return -1;
+ }
+
-+ workspace = kmalloc(workspace_size, GFP_KERNEL);
++ workspace = vmalloc(workspace_size);
+ if (workspace == NULL) {
+ printk(KERN_ERR "initramfs: Couldn't allocate lzma workspace\n");
+ return -1;
@@ -61,8 +69,8 @@
+ flush_buffer(outputbuffer, outsizeProcessed);
+ inptr = insize;
+
-+ kfree(outputbuffer);
-+ kfree(workspace);
++ vfree(outputbuffer);
++ vfree(workspace);
+ state = Reset;
+ return 0;
+}
@@ -70,7 +78,7 @@
static char * __init unpack_to_rootfs(char *buf, unsigned len, int check_only)
{
int written;
-@@ -509,12 +572,28 @@ static char * __init unpack_to_rootfs(ch
+@@ -509,12 +573,28 @@
inptr = 0;
outcnt = 0; /* bytes in output buffer */
bytes_out = 0;
@@ -104,9 +112,9 @@
buf += inptr;
len -= inptr;
}
---- a/scripts/gen_initramfs_list.sh
-+++ b/scripts/gen_initramfs_list.sh
-@@ -287,7 +287,7 @@ if [ ! -z ${output_file} ]; then
+--- a/scripts/gen_initramfs_list.sh 2009-03-23 22:55:52.000000000 +0100
++++ b/scripts/gen_initramfs_list.sh 2009-05-01 11:12:45.000000000 +0200
+@@ -287,7 +287,7 @@
if [ "${is_cpio_compressed}" = "compressed" ]; then
cat ${cpio_tfile} > ${output_file}
else