[PATCH 05/11] swiotlb: pass a gfp_mask argument to swiotlb_init_late
From: Christoph Hellwig <hch@lst.de>
Date: 2022-02-22 15:39:59
Also in:
linux-arm-kernel, linux-hyperv, linux-iommu, linux-mips, linux-pci, linux-riscv, linux-s390, xen-devel
Subsystem:
dma mapping helpers, pci subsystem, the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Marek Szyprowski, Bjorn Helgaas, Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
Let the caller chose a zone to allocate from. Signed-off-by: Christoph Hellwig <hch@lst.de> --- arch/x86/pci/sta2x11-fixup.c | 2 +- include/linux/swiotlb.h | 2 +- kernel/dma/swiotlb.c | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/x86/pci/sta2x11-fixup.c b/arch/x86/pci/sta2x11-fixup.c
index e0c039a75b2db..c7e6faf59a861 100644
--- a/arch/x86/pci/sta2x11-fixup.c
+++ b/arch/x86/pci/sta2x11-fixup.c@@ -57,7 +57,7 @@ static void sta2x11_new_instance(struct pci_dev *pdev) int size = STA2X11_SWIOTLB_SIZE; /* First instance: register your own swiotlb area */ dev_info(&pdev->dev, "Using SWIOTLB (size %i)\n", size); - if (swiotlb_init_late(size)) + if (swiotlb_init_late(size, GFP_DMA)) dev_emerg(&pdev->dev, "init swiotlb failed\n"); } list_add(&instance->list, &sta2x11_instance_list);
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index b48b26bfa0edb..1befd6b2ccf5e 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h@@ -40,7 +40,7 @@ extern void swiotlb_init(int verbose); int swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose); unsigned long swiotlb_size_or_default(void); extern int swiotlb_late_init_with_tbl(char *tlb, unsigned long nslabs); -int swiotlb_init_late(size_t size); +int swiotlb_init_late(size_t size, gfp_t gfp_mask); extern void __init swiotlb_update_mem_attributes(void); phys_addr_t swiotlb_tbl_map_single(struct device *hwdev, phys_addr_t phys,
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index 5f64b02fbb732..a653fcf1fe6c2 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c@@ -290,7 +290,7 @@ swiotlb_init(int verbose) * initialize the swiotlb later using the slab allocator if needed. * This should be just like above, but with some error catching. */ -int swiotlb_init_late(size_t size) +int swiotlb_init_late(size_t size, gfp_t gfp_mask) { unsigned long nslabs = ALIGN(size >> IO_TLB_SHIFT, IO_TLB_SEGSIZE); unsigned long bytes;
@@ -309,7 +309,7 @@ int swiotlb_init_late(size_t size) bytes = nslabs << IO_TLB_SHIFT; while ((SLABS_PER_PAGE << order) > IO_TLB_MIN_SLABS) { - vstart = (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN, + vstart = (void *)__get_free_pages(gfp_mask | __GFP_NOWARN, order); if (vstart) break;
--
2.30.2