[XFS] pv 956240, author: nathans, rv: vapo - Minor fixes in

kmem_zalloc_greedy()

SGI-PV: 956240
SGI-Modid: xfs-linux-melb:xfs-kern:26983a

Signed-off-by: Vlad Apostolov <vapo@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>

diff --git a/fs/xfs/linux-2.6/kmem.c b/fs/xfs/linux-2.6/kmem.c
index 80b9340..d597375 100644 (file)
--- a/fs/xfs/linux-2.6/kmem.c
+++ b/fs/xfs/linux-2.6/kmem.c
@@ -72,15 +72,20 @@ void *
 kmem_zalloc_greedy(size_t *size, size_t minsize, size_t maxsize,
                   unsigned int __nocast flags)
 {
-       void    *ptr;
+       void            *ptr;
+       size_t          kmsize = maxsize;
+       unsigned int    kmflags = (flags & ~KM_SLEEP) | KM_NOSLEEP;
 
-       while (!(ptr = kmem_zalloc(maxsize, flags))) {
-               if ((maxsize >>= 1) <= minsize) {
-                       maxsize = minsize;
-                       flags = KM_SLEEP;
+       while (!(ptr = kmem_zalloc(kmsize, kmflags))) {
+               if ((kmsize <= minsize) && (flags & KM_NOSLEEP))
+                       break;
+               if ((kmsize >>= 1) <= minsize) {
+                       kmsize = minsize;
+                       kmflags = flags;
                }
        }
-       *size = maxsize;
+       if (ptr)
+               *size = kmsize;
        return ptr;
 }