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| author | Florian Fainelli <florian@openwrt.org> | 2009-05-01 09:23:31 +0000 |
|---|---|---|
| committer | Florian Fainelli <florian@openwrt.org> | 2009-05-01 09:23:31 +0000 |
| commit | 35fd7d6d20706f62d8be6fe2e846049c1803d867 (patch) | |
| tree | 16f82b47dfeb024e5eb1360a7775aa011cf46293 | |
| parent | 6fa4734cde9e5f91a0ef6d008043f87e02758c11 (diff) | |
| download | upstream-35fd7d6d20706f62d8be6fe2e846049c1803d867.tar.gz upstream-35fd7d6d20706f62d8be6fe2e846049c1803d867.tar.bz2 upstream-35fd7d6d20706f62d8be6fe2e846049c1803d867.zip | |
use vmalloc instead of kmalloc when reserving space for the lzma initramfs (#3488)
SVN-Revision: 15534
| -rw-r--r-- | target/linux/brcm47xx/patches-2.6.28/500-lzma_initramfs.patch | 30 |
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 |