staging: lustre: replace LIBCFS_CPT_ALLOC()
authorNeilBrown <neilb@suse.com>
Tue, 9 Jan 2018 01:19:38 +0000 (12:19 +1100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 9 Jan 2018 14:48:45 +0000 (15:48 +0100)
commit8d60ecd99c9bafedfb49e7a3bc0cc31887100559
tree24ac46d2f98c6cd72d7bff33de328e05e358858f
parentd0157f0c7ef02e022a6dc063ddece4a28004c710
staging: lustre: replace LIBCFS_CPT_ALLOC()

LIBCFS_APT_ALLOC() calls kvmalloc_node() with GFP_NOFS
which is not permitted.
Mostly, a kmalloc_node(GFP_NOFS) is appropriate, though occasionally
the allocation is large and GFP_KERNEL is acceptable, so
kvmalloc_node() can be used.

This patch introduces 4 alternatives to LIBCFS_CPT_ALLOC():
 kmalloc_cpt()
 kzalloc_cpt()
 kvmalloc_cpt()
 kvzalloc_cpt().

Each takes a size, gfp flags, and cpt number.

Almost every call to LIBCFS_CPT_ALLOC() passes lnet_cpt_table()
as the table.  This patch embeds that choice in the k*alloc_cpt()
macros, and opencode kzalloc_node(..., cfs_cpt_spread_node(..))
in the one case that lnet_cpt_table() isn't used.

When LIBCFS_CPT_ALLOC() is replaced, the matching LIBCFS_FREE()
is also replaced, with with kfree() or kvfree() as appropriate.

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/lustre/include/linux/libcfs/libcfs_private.h
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c
drivers/staging/lustre/lnet/libcfs/libcfs_mem.c
drivers/staging/lustre/lnet/lnet/api-ni.c
drivers/staging/lustre/lnet/lnet/lib-msg.c
drivers/staging/lustre/lnet/lnet/lib-ptl.c
drivers/staging/lustre/lnet/lnet/peer.c
drivers/staging/lustre/lnet/lnet/router.c
drivers/staging/lustre/lnet/selftest/rpc.c