zlib: slim down zlib_deflate() workspace when possible

[deliverable/linux.git] / fs / jffs2 / compr_zlib.c

diff --git a/fs/jffs2/compr_zlib.c b/fs/jffs2/compr_zlib.c
index 97fc45de6f81eace3538ae22e9e8239834d9856f..5a001020c542a652726e18521429d2d44b6c31d5 100644 (file)
--- a/fs/jffs2/compr_zlib.c
+++ b/fs/jffs2/compr_zlib.c
@@ -40,12 +40,13 @@ static z_stream inf_strm, def_strm;
 
 static int __init alloc_workspaces(void)
 {
-       def_strm.workspace = vmalloc(zlib_deflate_workspacesize());
+       def_strm.workspace = vmalloc(zlib_deflate_workspacesize(MAX_WBITS,
+                                                       MAX_MEM_LEVEL));
        if (!def_strm.workspace) {
-               printk(KERN_WARNING "Failed to allocate %d bytes for deflate workspace\n", zlib_deflate_workspacesize());
+               printk(KERN_WARNING "Failed to allocate %d bytes for deflate workspace\n", zlib_deflate_workspacesize(MAX_WBITS, MAX_MEM_LEVEL));
                return -ENOMEM;
        }
-       D1(printk(KERN_DEBUG "Allocated %d bytes for deflate workspace\n", zlib_deflate_workspacesize()));
+       D1(printk(KERN_DEBUG "Allocated %d bytes for deflate workspace\n", zlib_deflate_workspacesize(MAX_WBITS, MAX_MEM_LEVEL)));
        inf_strm.workspace = vmalloc(zlib_inflate_workspacesize());
        if (!inf_strm.workspace) {
                printk(KERN_WARNING "Failed to allocate %d bytes for inflate workspace\n", zlib_inflate_workspacesize());
@@ -68,8 +69,7 @@ static void free_workspaces(void)
 
 static int jffs2_zlib_compress(unsigned char *data_in,
                               unsigned char *cpage_out,
-                              uint32_t *sourcelen, uint32_t *dstlen,
-                              void *model)
+                              uint32_t *sourcelen, uint32_t *dstlen)
 {
        int ret;
 
@@ -136,8 +136,7 @@ static int jffs2_zlib_compress(unsigned char *data_in,
 
 static int jffs2_zlib_decompress(unsigned char *data_in,
                                 unsigned char *cpage_out,
-                                uint32_t srclen, uint32_t destlen,
-                                void *model)
+                                uint32_t srclen, uint32_t destlen)
 {
        int ret;
        int wbits = MAX_WBITS;