From 98fa15f34cb379864757670b8e8743b21456a20e Mon Sep 17 00:00:00 2001 From: Anshuman Khandual Date: Tue, 5 Mar 2019 15:42:58 -0800 Subject: mm: replace all open encodings for NUMA_NO_NODE 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/1545127933-10711-2-git-send-email-anshuman.khandual@arm.com Signed-off-by: Anshuman Khandual Reviewed-by: David Hildenbrand Acked-by: Jeff Kirsher [ixgbe] Acked-by: Jens Axboe [mtip32xx] Acked-by: Vinod Koul [dmaengine.c] Acked-by: Michael Ellerman [powerpc] Acked-by: Doug Ledford [drivers/infiniband] Cc: Joseph Qi Cc: Hans Verkuil Cc: Stephen Rothwell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/sparc/kernel/pci_fire.c | 3 ++- arch/sparc/kernel/pci_schizo.c | 3 ++- arch/sparc/kernel/psycho_common.c | 3 ++- arch/sparc/kernel/sbus.c | 3 ++- arch/sparc/mm/init_64.c | 6 +++--- 5 files changed, 11 insertions(+), 7 deletions(-) (limited to 'arch/sparc') diff --git a/arch/sparc/kernel/pci_fire.c b/arch/sparc/kernel/pci_fire.c index be71ae086622..0ca08d455e80 100644 --- a/arch/sparc/kernel/pci_fire.c +++ b/arch/sparc/kernel/pci_fire.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include @@ -416,7 +417,7 @@ static int pci_fire_pbm_init(struct pci_pbm_info *pbm, struct device_node *dp = op->dev.of_node; int err; - pbm->numa_node = -1; + pbm->numa_node = NUMA_NO_NODE; pbm->pci_ops = &sun4u_pci_ops; pbm->config_space_reg_bits = 12; diff --git a/arch/sparc/kernel/pci_schizo.c b/arch/sparc/kernel/pci_schizo.c index 934b97c72f7c..421aba00e6b0 100644 --- a/arch/sparc/kernel/pci_schizo.c +++ b/arch/sparc/kernel/pci_schizo.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include @@ -1347,7 +1348,7 @@ static int schizo_pbm_init(struct pci_pbm_info *pbm, pbm->next = pci_pbm_root; pci_pbm_root = pbm; - pbm->numa_node = -1; + pbm->numa_node = NUMA_NO_NODE; pbm->pci_ops = &sun4u_pci_ops; pbm->config_space_reg_bits = 8; diff --git a/arch/sparc/kernel/psycho_common.c b/arch/sparc/kernel/psycho_common.c index 81aa91e5c0e6..e90bcb6bad7f 100644 --- a/arch/sparc/kernel/psycho_common.c +++ b/arch/sparc/kernel/psycho_common.c @@ -5,6 +5,7 @@ */ #include #include +#include #include @@ -454,7 +455,7 @@ void psycho_pbm_init_common(struct pci_pbm_info *pbm, struct platform_device *op struct device_node *dp = op->dev.of_node; pbm->name = dp->full_name; - pbm->numa_node = -1; + pbm->numa_node = NUMA_NO_NODE; pbm->chip_type = chip_type; pbm->chip_version = of_getintprop_default(dp, "version#", 0); pbm->chip_revision = of_getintprop_default(dp, "module-revision#", 0); diff --git a/arch/sparc/kernel/sbus.c b/arch/sparc/kernel/sbus.c index 41c5deb581b8..32141e1006c4 100644 --- a/arch/sparc/kernel/sbus.c +++ b/arch/sparc/kernel/sbus.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include @@ -561,7 +562,7 @@ static void __init sbus_iommu_init(struct platform_device *op) op->dev.archdata.iommu = iommu; op->dev.archdata.stc = strbuf; - op->dev.archdata.numa_node = -1; + op->dev.archdata.numa_node = NUMA_NO_NODE; reg_base = regs + SYSIO_IOMMUREG_BASE; iommu->iommu_control = reg_base + IOMMU_CONTROL; diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index b4221d3727d0..9e6bd868ba6f 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -976,13 +976,13 @@ static u64 __init memblock_nid_range_sun4u(u64 start, u64 end, int *nid) { int prev_nid, new_nid; - prev_nid = -1; + prev_nid = NUMA_NO_NODE; for ( ; start < end; start += PAGE_SIZE) { for (new_nid = 0; new_nid < num_node_masks; new_nid++) { struct node_mem_mask *p = &node_masks[new_nid]; if ((start & p->mask) == p->match) { - if (prev_nid == -1) + if (prev_nid == NUMA_NO_NODE) prev_nid = new_nid; break; } @@ -1208,7 +1208,7 @@ int of_node_to_nid(struct device_node *dp) md = mdesc_grab(); count = 0; - nid = -1; + nid = NUMA_NO_NODE; mdesc_for_each_node_by_name(md, grp, "group") { if (!scan_arcs_for_cfg_handle(md, grp, cfg_handle)) { nid = count; -- cgit v1.2.3-59-g8ed1b