Index: sys/compat/linuxkpi/common/include/linux/gfp.h =================================================================== --- sys/compat/linuxkpi/common/include/linux/gfp.h +++ sys/compat/linuxkpi/common/include/linux/gfp.h @@ -63,7 +63,7 @@ #define GFP_NOWAIT M_NOWAIT #define GFP_ATOMIC (M_NOWAIT | M_USE_RESERVE) -#define GFP_KERNEL M_NOWAIT +#define GFP_KERNEL M_WAITOK #define GFP_USER M_WAITOK #define GFP_HIGHUSER M_WAITOK #define GFP_HIGHUSER_MOVABLE M_WAITOK Index: sys/compat/linuxkpi/common/include/linux/slab.h =================================================================== --- sys/compat/linuxkpi/common/include/linux/slab.h +++ sys/compat/linuxkpi/common/include/linux/slab.h @@ -47,12 +47,12 @@ #define kzalloc(size, flags) kmalloc(size, (flags) | __GFP_ZERO) #define kzalloc_node(size, flags, node) kmalloc_node(size, (flags) | __GFP_ZERO, node) #define kfree_const(ptr) kfree(ptr) -#define vzalloc(size) __vmalloc(size, M_WAITOK | __GFP_NOWARN | __GFP_ZERO, 0) +#define vzalloc(size) __vmalloc(size, GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO, 0) #define vfree(arg) kfree(arg) #define kvfree(arg) kfree(arg) -#define vmalloc_node(size, node) __vmalloc_node(size, M_WAITOK, node) -#define vmalloc_user(size) __vmalloc(size, M_WAITOK | __GFP_ZERO, 0) -#define vmalloc(size) __vmalloc(size, M_WAITOK, 0) +#define vmalloc_node(size, node) __vmalloc_node(size, GFP_KERNEL, node) +#define vmalloc_user(size) __vmalloc(size, GFP_KERNEL | __GFP_ZERO, 0) +#define vmalloc(size) __vmalloc(size, GFP_KERNEL, 0) #define __kmalloc(...) kmalloc(__VA_ARGS__) /* Index: sys/compat/linuxkpi/common/src/linux_compat.c =================================================================== --- sys/compat/linuxkpi/common/src/linux_compat.c +++ sys/compat/linuxkpi/common/src/linux_compat.c @@ -574,7 +574,7 @@ { struct linux_file *filp; - filp = kzalloc(sizeof(*filp), M_WAITOK); + filp = kzalloc(sizeof(*filp), GFP_KERNEL); /* set initial refcount */ filp->f_count = 1; @@ -1412,9 +1412,6 @@ return (EINVAL); vmap = kzalloc(sizeof(*vmap), GFP_KERNEL); - if (vmap == NULL) - return (ENOMEM); - vmap->vm_start = 0; vmap->vm_end = size; vmap->vm_pgoff = *offset / PAGE_SIZE; @@ -1944,7 +1941,7 @@ { struct vmmap *vmmap; - vmmap = kmalloc(sizeof(*vmmap), M_WAITOK); + vmmap = kmalloc(sizeof(*vmmap), GFP_KERNEL); mtx_lock(&vmmaplock); vmmap->vm_size = size; vmmap->vm_addr = addr; Index: sys/compat/linuxkpi/common/src/linux_interrupt.c =================================================================== --- sys/compat/linuxkpi/common/src/linux_interrupt.c +++ sys/compat/linuxkpi/common/src/linux_interrupt.c @@ -135,9 +135,6 @@ GFP_KERNEL | __GFP_ZERO); else irqe = kzalloc(sizeof(*irqe), GFP_KERNEL); - if (irqe == NULL) - return (-ENOMEM); - irqe->dev = dev; irqe->res = res; irqe->arg = arg; Index: sys/compat/linuxkpi/common/src/linux_pci.c =================================================================== --- sys/compat/linuxkpi/common/src/linux_pci.c +++ sys/compat/linuxkpi/common/src/linux_pci.c @@ -304,7 +304,7 @@ pdev->subsystem_device = pci_get_subdevice(dev); pdev->class = pci_get_class(dev); pdev->revision = pci_get_revid(dev); - pdev->path_name = kasprintf(M_WAITOK, "%04d:%02d:%02d.%d", + pdev->path_name = kasprintf(GFP_KERNEL, "%04d:%02d:%02d.%d", pci_get_domain(dev), pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)); pdev->bus = malloc(sizeof(*pdev->bus), M_DEVBUF, M_WAITOK | M_ZERO); @@ -1468,7 +1468,7 @@ priv = dev->dma_priv; - pool = kzalloc(sizeof(*pool), M_WAITOK); + pool = kzalloc(sizeof(*pool), GFP_KERNEL); pool->pool_device = dev; pool->pool_entry_size = size; Index: sys/compat/linuxkpi/common/src/linux_shmemfs.c =================================================================== --- sys/compat/linuxkpi/common/src/linux_shmemfs.c +++ sys/compat/linuxkpi/common/src/linux_shmemfs.c @@ -47,15 +47,8 @@ struct page *page; int rv; - /* - * Historically, GFP_KERNEL was the equivalent of M_WAITOK. But it was - * changed to a synonym of M_NOWAIT to allow allocations in - * non-sleepable code. - * - * However, there was an assertion here to make sure that `gfp` was - * never set to GFP_NOWAIT/M_NOWAIT. Do we need a specific handling of - * M_NOWAIT here? - */ + if ((gfp & GFP_NOWAIT) != 0) + panic("GFP_NOWAIT is unimplemented"); VM_OBJECT_WLOCK(obj); rv = vm_page_grab_valid(&page, obj, pindex, VM_ALLOC_NORMAL |