From: Oleg Drokin <gr...@linuxhacker.ru>
KMALLOC_MAX_SIZE is always defined in the kernel, so no point
in checking for it, just use t directly.
Signed-off-by: Oleg Drokin <gr...@linuxhacker.ru>
---
drivers/staging/lustre/lustre/llite/rw26.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/lustre/lustre/llite/rw26.c
b/drivers/staging/lustre/lustre/llite/rw26.c
index b9d8e73..7a5db67 100644
--- a/drivers/staging/lustre/lustre/llite/rw26.c
+++ b/drivers/staging/lustre/lustre/llite/rw26.c
@@ -350,20 +350,14 @@ static ssize_t ll_direct_IO_26_seg(const struct lu_env
*env, struct cl_io *io,
return ll_direct_rw_pages(env, io, rw, inode, &pvec);
}
-#ifdef KMALLOC_MAX_SIZE
-#define MAX_MALLOC KMALLOC_MAX_SIZE
-#else
-#define MAX_MALLOC (128 * 1024)
-#endif
-
/* This is the maximum size of a single O_DIRECT request, based on the
* kmalloc limit. We need to fit all of the brw_page structs, each one
* representing PAGE_SIZE worth of user data, into a single buffer, and
* then truncate this to be a full-sized RPC. For 4kB PAGE_SIZE this is
* up to 22MB for 128kB kmalloc and up to 682MB for 4MB kmalloc.
*/
-#define MAX_DIO_SIZE ((MAX_MALLOC / sizeof(struct brw_page) * PAGE_CACHE_SIZE)
& \
- ~(DT_MAX_BRW_SIZE - 1))
+#define MAX_DIO_SIZE ((KMALLOC_MAX_SIZE / sizeof(struct brw_page) * \
+ PAGE_CACHE_SIZE) & ~(DT_MAX_BRW_SIZE - 1))
static ssize_t ll_direct_IO_26(struct kiocb *iocb, struct iov_iter *iter,
loff_t file_offset)
{
--
2.1.0
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