mm: remove the pgprot argument to __vmalloc

The pgprot argument to __vmalloc is always PAGE_KERNEL now, so remove it.

Signed-off-by: Christoph Hellwig <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Reviewed-by: Michael Kelley <[e-mail]> [hyperv]
Acked-by: Gao Xiang <[e-mail]> [erofs]
Acked-by: Peter Zijlstra (Intel) <[e-mail]>
Acked-by: Wei Liu <[e-mail]>
Cc: Christian Borntraeger <[e-mail]>
Cc: Christophe Leroy <[e-mail]>
Cc: Daniel Vetter <[e-mail]>
Cc: David Airlie <[e-mail]>
Cc: Greg Kroah-Hartman <[e-mail]>
Cc: Haiyang Zhang <[e-mail]>
Cc: Johannes Weiner <[e-mail]>
Cc: "K. Y. Srinivasan" <[e-mail]>
Cc: Laura Abbott <[e-mail]>
Cc: Mark Rutland <[e-mail]>
Cc: Minchan Kim <[e-mail]>
Cc: Nitin Gupta <[e-mail]>
Cc: Robin Murphy <[e-mail]>
Cc: Sakari Ailus <[e-mail]>
Cc: Stephen Hemminger <[e-mail]>
Cc: Sumit Semwal <[e-mail]>
Cc: Benjamin Herrenschmidt <[e-mail]>
Cc: Catalin Marinas <[e-mail]>
Cc: Heiko Carstens <[e-mail]>
Cc: Paul Mackerras <[e-mail]>
Cc: Vasily Gorbik <[e-mail]>
Cc: Will Deacon <[e-mail]>
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Linus Torvalds <[e-mail]>

arch/x86/hyperv/hv_init.c

···
 	 * not be stopped in the case of CPU offlining and the VM will hang.
 	 */
 	if (!*hvp) {
-		*hvp = __vmalloc(PAGE_SIZE, GFP_KERNEL | __GFP_ZERO,
-				 PAGE_KERNEL);
+		*hvp = __vmalloc(PAGE_SIZE, GFP_KERNEL | __GFP_ZERO);
 	}
 
 	if (*hvp) {

arch/x86/include/asm/kvm_host.h

···
 #define __KVM_HAVE_ARCH_VM_ALLOC
 static inline struct kvm *kvm_arch_alloc_vm(void)
 {
-	return __vmalloc(kvm_x86_ops.vm_size,
-			 GFP_KERNEL_ACCOUNT | __GFP_ZERO, PAGE_KERNEL);
+	return __vmalloc(kvm_x86_ops.vm_size, GFP_KERNEL_ACCOUNT | __GFP_ZERO);
 }
 void kvm_arch_free_vm(struct kvm *kvm);
 

arch/x86/kvm/svm/sev.c

···
 	/* Avoid using vmalloc for smaller buffers. */
 	size = npages * sizeof(struct page *);
 	if (size > PAGE_SIZE)
-		pages = __vmalloc(size, GFP_KERNEL_ACCOUNT | __GFP_ZERO,
-				  PAGE_KERNEL);
+		pages = __vmalloc(size, GFP_KERNEL_ACCOUNT | __GFP_ZERO);
 	else
 		pages = kmalloc(size, GFP_KERNEL_ACCOUNT);
 

drivers/block/drbd/drbd_bitmap.c

···
 	bytes = sizeof(struct page *)*want;
 	new_pages = kzalloc(bytes, GFP_NOIO | __GFP_NOWARN);
 	if (!new_pages) {
-		new_pages = __vmalloc(bytes,
-				GFP_NOIO | __GFP_ZERO,
-				PAGE_KERNEL);
+		new_pages = __vmalloc(bytes, GFP_NOIO | __GFP_ZERO);
 		if (!new_pages)
 			return NULL;
 	}

drivers/gpu/drm/etnaviv/etnaviv_dump.c

···
 	file_size += sizeof(*iter.hdr) * n_obj;
 
 	/* Allocate the file in vmalloc memory, it's likely to be big */
-	iter.start = __vmalloc(file_size, GFP_KERNEL | __GFP_NOWARN | __GFP_NORETRY,
-			       PAGE_KERNEL);
+	iter.start = __vmalloc(file_size, GFP_KERNEL | __GFP_NOWARN |
+			__GFP_NORETRY);
 	if (!iter.start) {
 		mutex_unlock(&gpu->mmu_context->lock);
 		dev_warn(gpu->dev, "failed to allocate devcoredump file\n");

drivers/lightnvm/pblk-init.c

···
 	int ret = 0;
 
 	map_size = pblk_trans_map_size(pblk);
-	pblk->trans_map = __vmalloc(map_size, GFP_KERNEL | __GFP_NOWARN
-					| __GFP_RETRY_MAYFAIL | __GFP_HIGHMEM,
-					PAGE_KERNEL);
+	pblk->trans_map = __vmalloc(map_size, GFP_KERNEL | __GFP_NOWARN |
+				    __GFP_RETRY_MAYFAIL | __GFP_HIGHMEM);
 	if (!pblk->trans_map) {
 		pblk_err(pblk, "failed to allocate L2P (need %zu of memory)\n",
 				map_size);

drivers/md/dm-bufio.c

···
 	 */
 	if (gfp_mask & __GFP_NORETRY) {
 		unsigned noio_flag = memalloc_noio_save();
-		void *ptr = __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL);
+		void *ptr = __vmalloc(c->block_size, gfp_mask);
 
 		memalloc_noio_restore(noio_flag);
 		return ptr;
 	}
 
-	return __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL);
+	return __vmalloc(c->block_size, gfp_mask);
 }
 
 /*

drivers/mtd/ubi/io.c

···
 	if (!ubi_dbg_chk_io(ubi))
 		return 0;
 
-	buf1 = __vmalloc(len, GFP_NOFS, PAGE_KERNEL);
+	buf1 = __vmalloc(len, GFP_NOFS);
 	if (!buf1) {
 		ubi_err(ubi, "cannot allocate memory to check writes");
 		return 0;
···
 	if (!ubi_dbg_chk_io(ubi))
 		return 0;
 
-	buf = __vmalloc(len, GFP_NOFS, PAGE_KERNEL);
+	buf = __vmalloc(len, GFP_NOFS);
 	if (!buf) {
 		ubi_err(ubi, "cannot allocate memory to check for 0xFFs");
 		return 0;

drivers/scsi/sd_zbc.c

···
 
 	while (bufsize >= SECTOR_SIZE) {
 		buf = __vmalloc(bufsize,
-				GFP_KERNEL | __GFP_ZERO | __GFP_NORETRY,
-				PAGE_KERNEL);
+				GFP_KERNEL | __GFP_ZERO | __GFP_NORETRY);
 		if (buf) {
 			*buflen = bufsize;
 			return buf;

fs/gfs2/dir.c

···
 
 	hc = kmalloc(hsize, GFP_NOFS | __GFP_NOWARN);
 	if (hc == NULL)
-		hc = __vmalloc(hsize, GFP_NOFS, PAGE_KERNEL);
+		hc = __vmalloc(hsize, GFP_NOFS);
 
 	if (hc == NULL)
 		return ERR_PTR(-ENOMEM);
···
 
 	hc2 = kmalloc_array(hsize_bytes, 2, GFP_NOFS | __GFP_NOWARN);
 	if (hc2 == NULL)
-		hc2 = __vmalloc(hsize_bytes * 2, GFP_NOFS, PAGE_KERNEL);
+		hc2 = __vmalloc(hsize_bytes * 2, GFP_NOFS);
 
 	if (!hc2)
 		return -ENOMEM;
···
 	if (size < KMALLOC_MAX_SIZE)
 		ptr = kmalloc(size, GFP_NOFS | __GFP_NOWARN);
 	if (!ptr)
-		ptr = __vmalloc(size, GFP_NOFS, PAGE_KERNEL);
+		ptr = __vmalloc(size, GFP_NOFS);
 	return ptr;
 }
 
···
 
 	ht = kzalloc(size, GFP_NOFS | __GFP_NOWARN);
 	if (ht == NULL)
-		ht = __vmalloc(size, GFP_NOFS | __GFP_NOWARN | __GFP_ZERO,
-			       PAGE_KERNEL);
+		ht = __vmalloc(size, GFP_NOFS | __GFP_NOWARN | __GFP_ZERO);
 	if (!ht)
 		return -ENOMEM;
 

fs/gfs2/quota.c

···
 	sdp->sd_quota_bitmap = kzalloc(bm_size, GFP_NOFS | __GFP_NOWARN);
 	if (sdp->sd_quota_bitmap == NULL)
 		sdp->sd_quota_bitmap = __vmalloc(bm_size, GFP_NOFS |
-						 __GFP_ZERO, PAGE_KERNEL);
+						 __GFP_ZERO);
 	if (!sdp->sd_quota_bitmap)
 		return error;
 

fs/nfs/blocklayout/extent_tree.c

···
 		if (!arg->layoutupdate_pages)
 			return -ENOMEM;
 
-		start_p = __vmalloc(buffer_size, GFP_NOFS, PAGE_KERNEL);
+		start_p = __vmalloc(buffer_size, GFP_NOFS);
 		if (!start_p) {
 			kfree(arg->layoutupdate_pages);
 			return -ENOMEM;

fs/ntfs/malloc.h

···
 		/* return (void *)__get_free_page(gfp_mask); */
 	}
 	if (likely((size >> PAGE_SHIFT) < totalram_pages()))
-		return __vmalloc(size, gfp_mask, PAGE_KERNEL);
+		return __vmalloc(size, gfp_mask);
 	return NULL;
 }
 

fs/ubifs/debug.c

···
 
 	pr_err("(pid %d) start dumping LEB %d\n", current->pid, lnum);
 
-	buf = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
+	buf = __vmalloc(c->leb_size, GFP_NOFS);
 	if (!buf) {
 		ubifs_err(c, "cannot allocate memory for dumping LEB %d", lnum);
 		return;

fs/ubifs/lprops.c

···
 		return LPT_SCAN_CONTINUE;
 	}
 
-	buf = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
+	buf = __vmalloc(c->leb_size, GFP_NOFS);
 	if (!buf)
 		return -ENOMEM;
 

fs/ubifs/lpt_commit.c

···
 	if (!dbg_is_chk_lprops(c))
 		return 0;
 
-	buf = p = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
+	buf = p = __vmalloc(c->leb_size, GFP_NOFS);
 	if (!buf) {
 		ubifs_err(c, "cannot allocate memory for ltab checking");
 		return 0;
···
 	void *buf, *p;
 
 	pr_err("(pid %d) start dumping LEB %d\n", current->pid, lnum);
-	buf = p = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
+	buf = p = __vmalloc(c->leb_size, GFP_NOFS);
 	if (!buf) {
 		ubifs_err(c, "cannot allocate memory to dump LPT");
 		return;

fs/ubifs/orphan.c

···
 	if (c->no_orphs)
 		return 0;
 
-	buf = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
+	buf = __vmalloc(c->leb_size, GFP_NOFS);
 	if (!buf) {
 		ubifs_err(c, "cannot allocate memory to check orphans");
 		return 0;

fs/xfs/kmem.c

···
 	if (flags & KM_NOFS)
 		nofs_flag = memalloc_nofs_save();
 
-	ptr = __vmalloc(size, lflags, PAGE_KERNEL);
+	ptr = __vmalloc(size, lflags);
 
 	if (flags & KM_NOFS)
 		memalloc_nofs_restore(nofs_flag);

include/linux/vmalloc.h

···
 extern void *vmalloc_exec(unsigned long size);
 extern void *vmalloc_32(unsigned long size);
 extern void *vmalloc_32_user(unsigned long size);
-extern void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot);
+extern void *__vmalloc(unsigned long size, gfp_t gfp_mask);
 extern void *__vmalloc_node_range(unsigned long size, unsigned long align,
 			unsigned long start, unsigned long end, gfp_t gfp_mask,
 			pgprot_t prot, unsigned long vm_flags, int node,

kernel/bpf/core.c

···
 	struct bpf_prog *fp;
 
 	size = round_up(size, PAGE_SIZE);
-	fp = __vmalloc(size, gfp_flags, PAGE_KERNEL);
+	fp = __vmalloc(size, gfp_flags);
 	if (fp == NULL)
 		return NULL;
 
···
 	if (ret)
 		return NULL;
 
-	fp = __vmalloc(size, gfp_flags, PAGE_KERNEL);
+	fp = __vmalloc(size, gfp_flags);
 	if (fp == NULL) {
 		__bpf_prog_uncharge(fp_old->aux->user, delta);
 	} else {
···
 	gfp_t gfp_flags = GFP_KERNEL | __GFP_ZERO | gfp_extra_flags;
 	struct bpf_prog *fp;
 
-	fp = __vmalloc(fp_other->pages * PAGE_SIZE, gfp_flags, PAGE_KERNEL);
+	fp = __vmalloc(fp_other->pages * PAGE_SIZE, gfp_flags);
 	if (fp != NULL) {
 		/* aux->prog still points to the fp_other one, so
 		 * when promoting the clone to the real program,

kernel/groups.c

···
 	len = sizeof(struct group_info) + sizeof(kgid_t) * gidsetsize;
 	gi = kmalloc(len, GFP_KERNEL_ACCOUNT|__GFP_NOWARN|__GFP_NORETRY);
 	if (!gi)
-		gi = __vmalloc(len, GFP_KERNEL_ACCOUNT, PAGE_KERNEL);
+		gi = __vmalloc(len, GFP_KERNEL_ACCOUNT);
 	if (!gi)
 		return NULL;
 

kernel/module.c

···
 		return err;
 
 	/* Suck in entire file: we'll want most of it. */
-	info->hdr = __vmalloc(info->len,
-			GFP_KERNEL | __GFP_NOWARN, PAGE_KERNEL);
+	info->hdr = __vmalloc(info->len, GFP_KERNEL | __GFP_NOWARN);
 	if (!info->hdr)
 		return -ENOMEM;
 

mm/nommu.c

···
 }
 EXPORT_SYMBOL(vfree);
 
-void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot)
+void *__vmalloc(unsigned long size, gfp_t gfp_mask)
 {
 	/*
 	 *  You can't specify __GFP_HIGHMEM with kmalloc() since kmalloc()
···
 
 void *__vmalloc_node_flags(unsigned long size, int node, gfp_t flags)
 {
-	return __vmalloc(size, flags, PAGE_KERNEL);
+	return __vmalloc(size, flags);
 }
 
 static void *__vmalloc_user_flags(unsigned long size, gfp_t flags)
 {
 	void *ret;
 
-	ret = __vmalloc(size, flags, PAGE_KERNEL);
+	ret = __vmalloc(size, flags);
 	if (ret) {
 		struct vm_area_struct *vma;
 
···
  */
 void *vmalloc(unsigned long size)
 {
-       return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL);
+       return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM);
 }
 EXPORT_SYMBOL(vmalloc);
 
···
  */
 void *vzalloc(unsigned long size)
 {
-	return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO,
-			PAGE_KERNEL);
+	return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO);
 }
 EXPORT_SYMBOL(vzalloc);
 
···
 
 void *vmalloc_exec(unsigned long size)
 {
-	return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC);
+	return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM);
 }
 
 /**
···
  */
 void *vmalloc_32(unsigned long size)
 {
-	return __vmalloc(size, GFP_KERNEL, PAGE_KERNEL);
+	return __vmalloc(size, GFP_KERNEL);
 }
 EXPORT_SYMBOL(vmalloc_32);
 

mm/page_alloc.c

···
 				table = memblock_alloc_raw(size,
 							   SMP_CACHE_BYTES);
 		} else if (get_order(size) >= MAX_ORDER || hashdist) {
-			table = __vmalloc(size, gfp_flags, PAGE_KERNEL);
+			table = __vmalloc(size, gfp_flags);
 			virt = true;
 		} else {
 			/*

mm/percpu.c

···
 	if (size <= PAGE_SIZE)
 		return kzalloc(size, gfp);
 	else
-		return __vmalloc(size, gfp | __GFP_ZERO, PAGE_KERNEL);
+		return __vmalloc(size, gfp | __GFP_ZERO);
 }
 
 /**

mm/vmalloc.c

···
 				gfp_mask, prot, 0, node, caller);
 }
 
-void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot)
+void *__vmalloc(unsigned long size, gfp_t gfp_mask)
 {
-	return __vmalloc_node(size, 1, gfp_mask, prot, NUMA_NO_NODE,
+	return __vmalloc_node(size, 1, gfp_mask, PAGE_KERNEL, NUMA_NO_NODE,
 				__builtin_return_address(0));
 }
 EXPORT_SYMBOL(__vmalloc);

net/bridge/netfilter/ebtables.c

···
 	tmp.name[sizeof(tmp.name) - 1] = 0;
 
 	countersize = COUNTER_OFFSET(tmp.nentries) * nr_cpu_ids;
-	newinfo = __vmalloc(sizeof(*newinfo) + countersize, GFP_KERNEL_ACCOUNT,
-			    PAGE_KERNEL);
+	newinfo = __vmalloc(sizeof(*newinfo) + countersize, GFP_KERNEL_ACCOUNT);
 	if (!newinfo)
 		return -ENOMEM;
 
 	if (countersize)
 		memset(newinfo->counters, 0, countersize);
 
-	newinfo->entries = __vmalloc(tmp.entries_size, GFP_KERNEL_ACCOUNT,
-				     PAGE_KERNEL);
+	newinfo->entries = __vmalloc(tmp.entries_size, GFP_KERNEL_ACCOUNT);
 	if (!newinfo->entries) {
 		ret = -ENOMEM;
 		goto free_newinfo;

sound/core/memalloc.c

···
 		break;
 	case SNDRV_DMA_TYPE_VMALLOC:
 		gfp = snd_mem_get_gfp_flags(device, GFP_KERNEL | __GFP_HIGHMEM);
-		dmab->area = __vmalloc(size, gfp, PAGE_KERNEL);
+		dmab->area = __vmalloc(size, gfp);
 		dmab->addr = 0;
 		break;
 #ifdef CONFIG_HAS_DMA

sound/core/pcm_memory.c

···
 			return 0; /* already large enough */
 		vfree(runtime->dma_area);
 	}
-	runtime->dma_area = __vmalloc(size, gfp_flags, PAGE_KERNEL);
+	runtime->dma_area = __vmalloc(size, gfp_flags);
 	if (!runtime->dma_area)
 		return -ENOMEM;
 	runtime->dma_bytes = size;