Merge branch 'lmb-to-memblock' of git://git.kernel.org/pub/scm/linux/…

…kernel/git/benh/powerpc

* 'lmb-to-memblock' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  lmb: rename to memblock

Documentation/kernel-parameters.txt

@@ -1265,7 +1265,7 @@ and is between 256 and 4096 characters. It is defined in the file
 			If there are multiple matching configurations changing
 			the same attribute, the last one is used.
 
-	lmb=debug	[KNL] Enable lmb debug messages.
+	memblock=debug	[KNL] Enable memblock debug messages.
 
 	load_ramdisk=	[RAM] List of ramdisks to load from floppy
 			See Documentation/blockdev/ramdisk.txt.

arch/microblaze/Kconfig

@@ -5,7 +5,7 @@ mainmenu "Linux/Microblaze Kernel Configuration"
 
 config MICROBLAZE
 	def_bool y
-	select HAVE_LMB
+	select HAVE_MEMBLOCK
 	select HAVE_FUNCTION_TRACER
 	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
 	select HAVE_FUNCTION_GRAPH_TRACER

arch/microblaze/include/asm/lmb.h → arch/microblaze/include/asm/memblock.h

@@ -6,12 +6,12 @@
  * for more details.
  */
 
-#ifndef _ASM_MICROBLAZE_LMB_H
-#define _ASM_MICROBLAZE_LMB_H
+#ifndef _ASM_MICROBLAZE_MEMBLOCK_H
+#define _ASM_MICROBLAZE_MEMBLOCK_H
 
-/* LMB limit is OFF */
-#define LMB_REAL_LIMIT	0xFFFFFFFF
+/* MEMBLOCK limit is OFF */
+#define MEMBLOCK_REAL_LIMIT	0xFFFFFFFF
 
-#endif /* _ASM_MICROBLAZE_LMB_H */
+#endif /* _ASM_MICROBLAZE_MEMBLOCK_H */
 
 

arch/microblaze/kernel/prom.c

@@ -29,7 +29,7 @@
 #include <linux/kexec.h>
 #include <linux/debugfs.h>
 #include <linux/irq.h>
-#include <linux/lmb.h>
+#include <linux/memblock.h>
 
 #include <asm/prom.h>
 #include <asm/page.h>
@@ -49,12 +49,12 @@ void __init early_init_dt_scan_chosen_arch(unsigned long node)
 
 void __init early_init_dt_add_memory_arch(u64 base, u64 size)
 {
-	lmb_add(base, size);
+	memblock_add(base, size);
 }
 
 u64 __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
 {
-	return lmb_alloc(size, align);
+	return memblock_alloc(size, align);
 }
 
 #ifdef CONFIG_EARLY_PRINTK
@@ -104,18 +104,18 @@ void __init early_init_devtree(void *params)
 	 */
 	of_scan_flat_dt(early_init_dt_scan_chosen, NULL);
 
-	/* Scan memory nodes and rebuild LMBs */
-	lmb_init();
+	/* Scan memory nodes and rebuild MEMBLOCKs */
+	memblock_init();
 	of_scan_flat_dt(early_init_dt_scan_root, NULL);
 	of_scan_flat_dt(early_init_dt_scan_memory, NULL);
 
 	/* Save command line for /proc/cmdline and then parse parameters */
 	strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE);
 	parse_early_param();
 
-	lmb_analyze();
+	memblock_analyze();
 
-	pr_debug("Phys. mem: %lx\n", (unsigned long) lmb_phys_mem_size());
+	pr_debug("Phys. mem: %lx\n", (unsigned long) memblock_phys_mem_size());
 
 	pr_debug(" <- early_init_devtree()\n");
 }

arch/microblaze/mm/init.c

@@ -10,7 +10,7 @@
 #include <linux/bootmem.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
-#include <linux/lmb.h>
+#include <linux/memblock.h>
 #include <linux/mm.h> /* mem_init */
 #include <linux/initrd.h>
 #include <linux/pagemap.h>
@@ -76,10 +76,10 @@ void __init setup_memory(void)
 	u32 kernel_align_start, kernel_align_size;
 
 	/* Find main memory where is the kernel */
-	for (i = 0; i < lmb.memory.cnt; i++) {
-		memory_start = (u32) lmb.memory.region[i].base;
-		memory_end = (u32) lmb.memory.region[i].base
-				+ (u32) lmb.memory.region[i].size;
+	for (i = 0; i < memblock.memory.cnt; i++) {
+		memory_start = (u32) memblock.memory.region[i].base;
+		memory_end = (u32) memblock.memory.region[i].base
+				+ (u32) memblock.memory.region[i].size;
 		if ((memory_start <= (u32)_text) &&
 					((u32)_text <= memory_end)) {
 			memory_size = memory_end - memory_start;
@@ -100,7 +100,7 @@ void __init setup_memory(void)
 	kernel_align_start = PAGE_DOWN((u32)_text);
 	/* ALIGN can be remove because _end in vmlinux.lds.S is align */
 	kernel_align_size = PAGE_UP((u32)klimit) - kernel_align_start;
-	lmb_reserve(kernel_align_start, kernel_align_size);
+	memblock_reserve(kernel_align_start, kernel_align_size);
 	printk(KERN_INFO "%s: kernel addr=0x%08x-0x%08x size=0x%08x\n",
 		__func__, kernel_align_start, kernel_align_start
 			+ kernel_align_size, kernel_align_size);
@@ -141,18 +141,18 @@ void __init setup_memory(void)
 	map_size = init_bootmem_node(&contig_page_data,
 		PFN_UP(TOPHYS((u32)klimit)), min_low_pfn, max_low_pfn);
 #endif
-	lmb_reserve(PFN_UP(TOPHYS((u32)klimit)) << PAGE_SHIFT, map_size);
+	memblock_reserve(PFN_UP(TOPHYS((u32)klimit)) << PAGE_SHIFT, map_size);
 
 	/* free bootmem is whole main memory */
 	free_bootmem(memory_start, memory_size);
 
 	/* reserve allocate blocks */
-	for (i = 0; i < lmb.reserved.cnt; i++) {
+	for (i = 0; i < memblock.reserved.cnt; i++) {
 		pr_debug("reserved %d - 0x%08x-0x%08x\n", i,
-			(u32) lmb.reserved.region[i].base,
-			(u32) lmb_size_bytes(&lmb.reserved, i));
-		reserve_bootmem(lmb.reserved.region[i].base,
-			lmb_size_bytes(&lmb.reserved, i) - 1, BOOTMEM_DEFAULT);
+			(u32) memblock.reserved.region[i].base,
+			(u32) memblock_size_bytes(&memblock.reserved, i));
+		reserve_bootmem(memblock.reserved.region[i].base,
+			memblock_size_bytes(&memblock.reserved, i) - 1, BOOTMEM_DEFAULT);
 	}
 #ifdef CONFIG_MMU
 	init_bootmem_done = 1;
@@ -235,7 +235,7 @@ static void mm_cmdline_setup(void)
 		if (maxmem && memory_size > maxmem) {
 			memory_size = maxmem;
 			memory_end = memory_start + memory_size;
-			lmb.memory.region[0].size = memory_size;
+			memblock.memory.region[0].size = memory_size;
 		}
 	}
 }
@@ -273,19 +273,19 @@ asmlinkage void __init mmu_init(void)
 {
 	unsigned int kstart, ksize;
 
-	if (!lmb.reserved.cnt) {
+	if (!memblock.reserved.cnt) {
 		printk(KERN_EMERG "Error memory count\n");
 		machine_restart(NULL);
 	}
 
-	if ((u32) lmb.memory.region[0].size < 0x1000000) {
+	if ((u32) memblock.memory.region[0].size < 0x1000000) {
 		printk(KERN_EMERG "Memory must be greater than 16MB\n");
 		machine_restart(NULL);
 	}
 	/* Find main memory where the kernel is */
-	memory_start = (u32) lmb.memory.region[0].base;
-	memory_end = (u32) lmb.memory.region[0].base +
-				(u32) lmb.memory.region[0].size;
+	memory_start = (u32) memblock.memory.region[0].base;
+	memory_end = (u32) memblock.memory.region[0].base +
+				(u32) memblock.memory.region[0].size;
 	memory_size = memory_end - memory_start;
 
 	mm_cmdline_setup(); /* FIXME parse args from command line - not used */
@@ -297,7 +297,7 @@ asmlinkage void __init mmu_init(void)
 	kstart = __pa(CONFIG_KERNEL_START); /* kernel start */
 	/* kernel size */
 	ksize = PAGE_ALIGN(((u32)_end - (u32)CONFIG_KERNEL_START));
-	lmb_reserve(kstart, ksize);
+	memblock_reserve(kstart, ksize);
 
 #if defined(CONFIG_BLK_DEV_INITRD)
 	/* Remove the init RAM disk from the available memory. */
@@ -335,7 +335,7 @@ void __init *early_get_page(void)
 		 * Mem start + 32MB -> here is limit
 		 * because of mem mapping from head.S
 		 */
-		p = __va(lmb_alloc_base(PAGE_SIZE, PAGE_SIZE,
+		p = __va(memblock_alloc_base(PAGE_SIZE, PAGE_SIZE,
 					memory_start + 0x2000000));
 	}
 	return p;

arch/powerpc/Kconfig

@@ -132,7 +132,7 @@ config PPC
 	select HAVE_ARCH_KGDB
 	select HAVE_KRETPROBES
 	select HAVE_ARCH_TRACEHOOK
-	select HAVE_LMB
+	select HAVE_MEMBLOCK
 	select HAVE_DMA_ATTRS
 	select HAVE_DMA_API_DEBUG
 	select USE_GENERIC_SMP_HELPERS if SMP

arch/powerpc/include/asm/abs_addr.h

@@ -12,7 +12,7 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#include <linux/lmb.h>
+#include <linux/memblock.h>
 
 #include <asm/types.h>
 #include <asm/page.h>

arch/powerpc/include/asm/memblock.h

@@ -0,0 +1,15 @@
+#ifndef _ASM_POWERPC_MEMBLOCK_H
+#define _ASM_POWERPC_MEMBLOCK_H
+
+#include <asm/udbg.h>
+
+#define MEMBLOCK_DBG(fmt...) udbg_printf(fmt)
+
+#ifdef CONFIG_PPC32
+extern phys_addr_t lowmem_end_addr;
+#define MEMBLOCK_REAL_LIMIT	lowmem_end_addr
+#else
+#define MEMBLOCK_REAL_LIMIT	0
+#endif
+
+#endif /* _ASM_POWERPC_MEMBLOCK_H */

arch/powerpc/kernel/btext.c

@@ -7,7 +7,7 @@
 #include <linux/string.h>
 #include <linux/init.h>
 #include <linux/module.h>
-#include <linux/lmb.h>
+#include <linux/memblock.h>
 
 #include <asm/sections.h>
 #include <asm/prom.h>

arch/powerpc/kernel/crash.c

@@ -24,7 +24,7 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/types.h>
-#include <linux/lmb.h>
+#include <linux/memblock.h>
 
 #include <asm/processor.h>
 #include <asm/machdep.h>

arch/powerpc/kernel/crash_dump.c

@@ -13,7 +13,7 @@
 
 #include <linux/crash_dump.h>
 #include <linux/bootmem.h>
-#include <linux/lmb.h>
+#include <linux/memblock.h>
 #include <asm/code-patching.h>
 #include <asm/kdump.h>
 #include <asm/prom.h>
@@ -33,7 +33,7 @@ unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
 #ifndef CONFIG_RELOCATABLE
 void __init reserve_kdump_trampoline(void)
 {
-	lmb_reserve(0, KDUMP_RESERVE_LIMIT);
+	memblock_reserve(0, KDUMP_RESERVE_LIMIT);
 }
 
 static void __init create_trampoline(unsigned long addr)

arch/powerpc/kernel/dma-swiotlb.c

@@ -71,7 +71,7 @@ static int ppc_swiotlb_bus_notify(struct notifier_block *nb,
 	sd->max_direct_dma_addr = 0;
 
 	/* May need to bounce if the device can't address all of DRAM */
-	if ((dma_get_mask(dev) + 1) < lmb_end_of_DRAM())
+	if ((dma_get_mask(dev) + 1) < memblock_end_of_DRAM())
 		set_dma_ops(dev, &swiotlb_dma_ops);
 
 	return NOTIFY_DONE;

arch/powerpc/kernel/dma.c

@@ -9,7 +9,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/dma-debug.h>
 #include <linux/gfp.h>
-#include <linux/lmb.h>
+#include <linux/memblock.h>
 #include <asm/bug.h>
 #include <asm/abs_addr.h>
 
@@ -89,7 +89,7 @@ static int dma_direct_dma_supported(struct device *dev, u64 mask)
 	/* Could be improved so platforms can set the limit in case
 	 * they have limited DMA windows
 	 */
-	return mask >= (lmb_end_of_DRAM() - 1);
+	return mask >= (memblock_end_of_DRAM() - 1);
 #else
 	return 1;
 #endif

arch/powerpc/kernel/machine_kexec.c

@@ -12,7 +12,7 @@
 #include <linux/kexec.h>
 #include <linux/reboot.h>
 #include <linux/threads.h>
-#include <linux/lmb.h>
+#include <linux/memblock.h>
 #include <linux/of.h>
 #include <asm/machdep.h>
 #include <asm/prom.h>
@@ -66,11 +66,11 @@ void __init reserve_crashkernel(void)
 	unsigned long long crash_size, crash_base;
 	int ret;
 
-	/* this is necessary because of lmb_phys_mem_size() */
-	lmb_analyze();
+	/* this is necessary because of memblock_phys_mem_size() */
+	memblock_analyze();
 
 	/* use common parsing */
-	ret = parse_crashkernel(boot_command_line, lmb_phys_mem_size(),
+	ret = parse_crashkernel(boot_command_line, memblock_phys_mem_size(),
 			&crash_size, &crash_base);
 	if (ret == 0 && crash_size > 0) {
 		crashk_res.start = crash_base;
@@ -133,9 +133,9 @@ void __init reserve_crashkernel(void)
 			"for crashkernel (System RAM: %ldMB)\n",
 			(unsigned long)(crash_size >> 20),
 			(unsigned long)(crashk_res.start >> 20),
-			(unsigned long)(lmb_phys_mem_size() >> 20));
+			(unsigned long)(memblock_phys_mem_size() >> 20));
 
-	lmb_reserve(crashk_res.start, crash_size);
+	memblock_reserve(crashk_res.start, crash_size);
 }
 
 int overlaps_crashkernel(unsigned long start, unsigned long size)

arch/powerpc/kernel/paca.c

@@ -9,7 +9,7 @@
 
 #include <linux/threads.h>
 #include <linux/module.h>
-#include <linux/lmb.h>
+#include <linux/memblock.h>
 
 #include <asm/firmware.h>
 #include <asm/lppaca.h>
@@ -117,7 +117,7 @@ void __init allocate_pacas(void)
 	 * the first segment. On iSeries they must be within the area mapped
 	 * by the HV, which is HvPagesToMap * HVPAGESIZE bytes.
 	 */
-	limit = min(0x10000000ULL, lmb.rmo_size);
+	limit = min(0x10000000ULL, memblock.rmo_size);
 	if (firmware_has_feature(FW_FEATURE_ISERIES))
 		limit = min(limit, HvPagesToMap * HVPAGESIZE);
 
@@ -128,7 +128,7 @@ void __init allocate_pacas(void)
 
 	paca_size = PAGE_ALIGN(sizeof(struct paca_struct) * nr_cpus);
 
-	paca = __va(lmb_alloc_base(paca_size, PAGE_SIZE, limit));
+	paca = __va(memblock_alloc_base(paca_size, PAGE_SIZE, limit));
 	memset(paca, 0, paca_size);
 
 	printk(KERN_DEBUG "Allocated %u bytes for %d pacas at %p\n",
@@ -148,7 +148,7 @@ void __init free_unused_pacas(void)
 	if (new_size >= paca_size)
 		return;
 
-	lmb_free(__pa(paca) + new_size, paca_size - new_size);
+	memblock_free(__pa(paca) + new_size, paca_size - new_size);
 
 	printk(KERN_DEBUG "Freed %u bytes for unused pacas\n",
 		paca_size - new_size);