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mm: replace all open encodings for NUMA_NO_NODE

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Patch series "Replace all open encodings for NUMA_NO_NODE", v3.

All these places for replacement were found by running the following
grep patterns on the entire kernel code.  Please let me know if this
might have missed some instances.  This might also have replaced some
false positives.  I will appreciate suggestions, inputs and review.

1. git grep "nid == -1"
2. git grep "node == -1"
3. git grep "nid = -1"
4. git grep "node = -1"

This patch (of 2):

At present there are multiple places where invalid node number is
encoded as -1.  Even though implicitly understood it is always better to
have macros in there.  Replace these open encodings for an invalid node
number with the global macro NUMA_NO_NODE.  This helps remove NUMA
related assumptions like 'invalid node' from various places redirecting
them to a common definition.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Anshuman Khandual <[email protected]>
Reviewed-by: David Hildenbrand <[email protected]>
Acked-by: Jeff Kirsher <[email protected]>	[ixgbe]
Acked-by: Jens Axboe <[email protected]>			[mtip32xx]
Acked-by: Vinod Koul <[email protected]>			[dmaengine.c]
Acked-by: Michael Ellerman <[email protected]>		[powerpc]
Acked-by: Doug Ledford <[email protected]>		[drivers/infiniband]
Cc: Joseph Qi <[email protected]>
Cc: Hans Verkuil <[email protected]>
Cc: Stephen Rothwell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Anshuman Khandual 2019-03-05 15:42:58 -08:00 • committed by Linus Torvalds
commit 98fa15f34c
39 changed files with 104 additions and 74 deletions
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3
drivers/misc/sgi-xp/xpc_uv.c
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@ -22,6 +22,7 @@
#include <linux/module.h>
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/numa.h>
#include <asm/uv/uv_hub.h>
#if defined CONFIG_X86_64
#include <asm/uv/bios.h>
@ -61,7 +62,7 @@ static struct xpc_heartbeat_uv *xpc_heartbeat_uv;
XPC_NOTIFY_MSG_SIZE_UV)
#define XPC_NOTIFY_IRQ_NAME "xpc_notify"
static int xpc_mq_node = -1;
static int xpc_mq_node = NUMA_NO_NODE;
static struct xpc_gru_mq_uv *xpc_activate_mq_uv;
static struct xpc_gru_mq_uv *xpc_notify_mq_uv;