[v2,09/11] nfsd: use kvmalloc in svcxdr_tmpalloc
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Message ID 20200327232717.15331-10-fllinden@amazon.com
State New
Headers show
Series
  • NFS server user xattr support (RFC8276)
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Commit Message

Frank van der Linden March 27, 2020, 11:27 p.m. UTC
For user extended attributes, temp allocations larger than one page
might be needed.

Use kvmalloc/kvfree to accommodate these larger allocations, while not
affecting the performance of the smaller ones.

Signed-off-by: Frank van der Linden <fllinden@amazon.com>
---
 fs/nfsd/nfs4xdr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch
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diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 6e7fc6a9931e..f6322add2992 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -230,7 +230,7 @@  svcxdr_tmpalloc(struct nfsd4_compoundargs *argp, u32 len)
 {
 	struct svcxdr_tmpbuf *tb;
 
-	tb = kmalloc(sizeof(*tb) + len, GFP_KERNEL);
+	tb = kvmalloc(sizeof(*tb) + len, GFP_KERNEL);
 	if (!tb)
 		return NULL;
 	tb->next = argp->to_free;
@@ -4691,7 +4691,7 @@  void nfsd4_release_compoundargs(struct svc_rqst *rqstp)
 	while (args->to_free) {
 		struct svcxdr_tmpbuf *tb = args->to_free;
 		args->to_free = tb->next;
-		kfree(tb);
+		kvfree(tb);
 	}
 }