Update of /cvsroot/linux-vax/kernel-2.4/mm
In directory usw-pr-cvs1:/tmp/cvs-serv864/mm
Modified Files:
filemap.c
Log Message:
DA: 2.4.16 import should have no affect on VAX port apart
Index: filemap.c
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/mm/filemap.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -r1.2 -r1.3
--- filemap.c 9 Apr 2002 16:37:20 -0000 1.2
+++ filemap.c 13 Apr 2002 16:20:09 -0000 1.3
@@ -47,6 +47,12 @@
unsigned int page_hash_bits;
struct page **page_hash_table;
+int vm_max_readahead = 31;
+int vm_min_readahead = 3;
+EXPORT_SYMBOL(vm_max_readahead);
+EXPORT_SYMBOL(vm_min_readahead);
+
+
spinlock_t pagecache_lock ____cacheline_aligned_in_smp = SPIN_LOCK_UNLOCKED;
/*
* NOTE: to avoid deadlocking you must never acquire the pagemap_lru_lock
@@ -1134,7 +1140,7 @@
static inline int get_max_readahead(struct inode * inode)
{
if (!inode->i_dev || !max_readahead[MAJOR(inode->i_dev)])
- return MAX_READAHEAD;
+ return vm_max_readahead;
return max_readahead[MAJOR(inode->i_dev)][MINOR(inode->i_dev)];
}
@@ -1317,8 +1323,8 @@
if (filp->f_ramax < needed)
filp->f_ramax = needed;
- if (reada_ok && filp->f_ramax < MIN_READAHEAD)
- filp->f_ramax = MIN_READAHEAD;
+ if (reada_ok && filp->f_ramax < vm_min_readahead)
+ filp->f_ramax = vm_min_readahead;
if (filp->f_ramax > max_readahead)
filp->f_ramax = max_readahead;
}
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