I wonder, may be with such change kernel become little faster?
Signed-off-by: Paul Drynoff <[email protected]>
---
Index: linux-2.6.17-mm1/fs/buffer.c
===================================================================
--- linux-2.6.17-mm1.orig/fs/buffer.c
+++ linux-2.6.17-mm1/fs/buffer.c
@@ -2093,7 +2093,7 @@ int block_read_full_page(struct page *pa
}
if (!buffer_mapped(bh)) {
void *kaddr = kmap_atomic(page, KM_USER0);
- memset(kaddr + i * blocksize, 0, blocksize);
+ memset(kaddr + (i << inode->i_blkbits), 0, blocksize);
flush_dcache_page(page);
kunmap_atomic(kaddr, KM_USER0);
if (!err)
-
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