[PATCH 07/17] NFSD: replace __get_free_page() with kmalloc() in nfsd_buffered_readdir()

nfsd_buffered_readdir() allocates a staging buffer with __get_free_page().

kmalloc() is a better API for such use and it also provides better
scalability and more debugging possibilities.

Replace use of __get_free_page() with kmalloc().

Signed-off-by: Mike Rapoport (Microsoft) <[email protected]>
---
 fs/nfsd/vfs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index eafdf7b7890f..c99e54b23cd9 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -2407,7 +2407,7 @@ static __be32 nfsd_buffered_readdir(struct file *file, struct svc_fh *fhp,
 	loff_t offset;
 	struct readdir_data buf = {
 		.ctx.actor = nfsd_buffered_filldir,
-		.dirent = (void *)__get_free_page(GFP_KERNEL)
+		.dirent = kmalloc(PAGE_SIZE, GFP_KERNEL)
 	};
 
 	if (!buf.dirent)
@@ -2458,7 +2458,7 @@ static __be32 nfsd_buffered_readdir(struct file *file, struct svc_fh *fhp,
 		offset = vfs_llseek(file, 0, SEEK_CUR);
 	}
 
-	free_page((unsigned long)(buf.dirent));
+	kfree((buf.dirent));
 
 	if (host_err)
 		return nfserrno(host_err);

-- 
2.53.0