提交 9a8dd708 编写于 作者: M Mike Rapoport 提交者: Linus Torvalds

memblock: rename memblock_alloc{_nid,_try_nid} to memblock_phys_alloc*

Make it explicit that the caller gets a physical address rather than a
virtual one.

This will also allow using meblock_alloc prefix for memblock allocations
returning virtual address, which is done in the following patches.

The conversion is done using the following semantic patch:

@@
expression e1, e2, e3;
@@
(
- memblock_alloc(e1, e2)
+ memblock_phys_alloc(e1, e2)
|
- memblock_alloc_nid(e1, e2, e3)
+ memblock_phys_alloc_nid(e1, e2, e3)
|
- memblock_alloc_try_nid(e1, e2, e3)
+ memblock_phys_alloc_try_nid(e1, e2, e3)
)

Link: http://lkml.kernel.org/r/1536927045-23536-7-git-send-email-rppt@linux.vnet.ibm.comSigned-off-by: NMike Rapoport <rppt@linux.vnet.ibm.com>
Acked-by: NMichal Hocko <mhocko@suse.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Guan Xuetao <gxt@pku.edu.cn>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Serge Semin <fancer.lancer@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 b146ada2
......@@ -721,7 +721,7 @@ EXPORT_SYMBOL(phys_mem_access_prot);
static void __init *early_alloc_aligned(unsigned long sz, unsigned long align)
{
void *ptr = __va(memblock_alloc(sz, align));
void *ptr = __va(memblock_phys_alloc(sz, align));
memset(ptr, 0, sz);
return ptr;
}
......
......@@ -101,7 +101,7 @@ static phys_addr_t __init early_pgtable_alloc(void)
phys_addr_t phys;
void *ptr;
phys = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
phys = memblock_phys_alloc(PAGE_SIZE, PAGE_SIZE);
/*
* The FIX_{PGD,PUD,PMD} slots may be in active use, but the FIX_PTE
......
......@@ -237,7 +237,7 @@ static void __init setup_node_data(int nid, u64 start_pfn, u64 end_pfn)
if (start_pfn >= end_pfn)
pr_info("Initmem setup node %d [<memory-less node>]\n", nid);
nd_pa = memblock_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid);
nd_pa = memblock_phys_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid);
nd = __va(nd_pa);
/* report and initialize */
......
......@@ -135,8 +135,8 @@ void __init coherent_mem_init(phys_addr_t start, u32 size)
if (dma_size & (PAGE_SIZE - 1))
++dma_pages;
bitmap_phys = memblock_alloc(BITS_TO_LONGS(dma_pages) * sizeof(long),
sizeof(long));
bitmap_phys = memblock_phys_alloc(BITS_TO_LONGS(dma_pages) * sizeof(long),
sizeof(long));
dma_bitmap = phys_to_virt(bitmap_phys);
memset(dma_bitmap, 0, dma_pages * PAGE_SIZE);
......
......@@ -81,7 +81,7 @@ static void __init map_ram(void)
}
/* Alloc one page for holding PTE's... */
pte = (pte_t *) __va(memblock_alloc(PAGE_SIZE, PAGE_SIZE));
pte = (pte_t *) __va(memblock_phys_alloc(PAGE_SIZE, PAGE_SIZE));
memset(pte, 0, PAGE_SIZE);
set_pmd(pme, __pmd(__pa(pte) + _PAGE_KERNEL_TABLE));
......@@ -114,7 +114,7 @@ static void __init fixedrange_init(void)
pgd = swapper_pg_dir + pgd_index(vaddr);
pud = pud_offset(pgd, vaddr);
pmd = pmd_offset(pud, vaddr);
fixmap_pmd_p = (pmd_t *) __va(memblock_alloc(PAGE_SIZE, PAGE_SIZE));
fixmap_pmd_p = (pmd_t *) __va(memblock_phys_alloc(PAGE_SIZE, PAGE_SIZE));
memset(fixmap_pmd_p, 0, PAGE_SIZE);
set_pmd(pmd, __pmd(__pa(fixmap_pmd_p) + _PAGE_KERNEL_TABLE));
......@@ -127,7 +127,7 @@ static void __init fixedrange_init(void)
pgd = swapper_pg_dir + pgd_index(vaddr);
pud = pud_offset(pgd, vaddr);
pmd = pmd_offset(pud, vaddr);
pte = (pte_t *) __va(memblock_alloc(PAGE_SIZE, PAGE_SIZE));
pte = (pte_t *) __va(memblock_phys_alloc(PAGE_SIZE, PAGE_SIZE));
memset(pte, 0, PAGE_SIZE);
set_pmd(pmd, __pmd(__pa(pte) + _PAGE_KERNEL_TABLE));
pkmap_page_table = pte;
......@@ -153,7 +153,7 @@ void __init paging_init(void)
fixedrange_init();
/* allocate space for empty_zero_page */
zero_page = __va(memblock_alloc(PAGE_SIZE, PAGE_SIZE));
zero_page = __va(memblock_phys_alloc(PAGE_SIZE, PAGE_SIZE));
memset(zero_page, 0, PAGE_SIZE);
zone_sizes_init();
......
......@@ -106,7 +106,7 @@ static void __init map_ram(void)
}
/* Alloc one page for holding PTE's... */
pte = (pte_t *) __va(memblock_alloc(PAGE_SIZE, PAGE_SIZE));
pte = (pte_t *) __va(memblock_phys_alloc(PAGE_SIZE, PAGE_SIZE));
set_pmd(pme, __pmd(_KERNPG_TABLE + __pa(pte)));
/* Fill the newly allocated page with PTE'S */
......
......@@ -126,7 +126,7 @@ pte_t __ref *pte_alloc_one_kernel(struct mm_struct *mm,
if (likely(mem_init_done)) {
pte = (pte_t *) __get_free_page(GFP_KERNEL);
} else {
pte = (pte_t *) __va(memblock_alloc(PAGE_SIZE, PAGE_SIZE));
pte = (pte_t *) __va(memblock_phys_alloc(PAGE_SIZE, PAGE_SIZE));
}
if (pte)
......
......@@ -1008,9 +1008,7 @@ static int __init dt_cpu_ftrs_scan_callback(unsigned long node, const char
/* Count and allocate space for cpu features */
of_scan_flat_dt_subnodes(node, count_cpufeatures_subnodes,
&nr_dt_cpu_features);
dt_cpu_features = __va(
memblock_alloc(sizeof(struct dt_cpu_feature)*
nr_dt_cpu_features, PAGE_SIZE));
dt_cpu_features = __va(memblock_phys_alloc(sizeof(struct dt_cpu_feature) * nr_dt_cpu_features, PAGE_SIZE));
cpufeatures_setup_start(isa);
......
......@@ -198,7 +198,7 @@ void __init allocate_paca_ptrs(void)
paca_nr_cpu_ids = nr_cpu_ids;
paca_ptrs_size = sizeof(struct paca_struct *) * nr_cpu_ids;
paca_ptrs = __va(memblock_alloc(paca_ptrs_size, 0));
paca_ptrs = __va(memblock_phys_alloc(paca_ptrs_size, 0));
memset(paca_ptrs, 0x88, paca_ptrs_size);
}
......
......@@ -126,7 +126,7 @@ static void __init move_device_tree(void)
if ((memory_limit && (start + size) > PHYSICAL_START + memory_limit) ||
overlaps_crashkernel(start, size) ||
overlaps_initrd(start, size)) {
p = __va(memblock_alloc(size, PAGE_SIZE));
p = __va(memblock_phys_alloc(size, PAGE_SIZE));
memcpy(p, initial_boot_params, size);
initial_boot_params = p;
DBG("Moved device tree to 0x%p\n", p);
......
......@@ -460,8 +460,7 @@ void __init smp_setup_cpu_maps(void)
DBG("smp_setup_cpu_maps()\n");
cpu_to_phys_id = __va(memblock_alloc(nr_cpu_ids * sizeof(u32),
__alignof__(u32)));
cpu_to_phys_id = __va(memblock_phys_alloc(nr_cpu_ids * sizeof(u32), __alignof__(u32)));
memset(cpu_to_phys_id, 0, nr_cpu_ids * sizeof(u32));
for_each_node_by_type(dn, "cpu") {
......
......@@ -206,9 +206,9 @@ void __init irqstack_early_init(void)
* as the memblock is limited to lowmem by default */
for_each_possible_cpu(i) {
softirq_ctx[i] = (struct thread_info *)
__va(memblock_alloc(THREAD_SIZE, THREAD_SIZE));
__va(memblock_phys_alloc(THREAD_SIZE, THREAD_SIZE));
hardirq_ctx[i] = (struct thread_info *)
__va(memblock_alloc(THREAD_SIZE, THREAD_SIZE));
__va(memblock_phys_alloc(THREAD_SIZE, THREAD_SIZE));
}
}
......@@ -227,12 +227,12 @@ void __init exc_lvl_early_init(void)
#endif
critirq_ctx[hw_cpu] = (struct thread_info *)
__va(memblock_alloc(THREAD_SIZE, THREAD_SIZE));
__va(memblock_phys_alloc(THREAD_SIZE, THREAD_SIZE));
#ifdef CONFIG_BOOKE
dbgirq_ctx[hw_cpu] = (struct thread_info *)
__va(memblock_alloc(THREAD_SIZE, THREAD_SIZE));
__va(memblock_phys_alloc(THREAD_SIZE, THREAD_SIZE));
mcheckirq_ctx[hw_cpu] = (struct thread_info *)
__va(memblock_alloc(THREAD_SIZE, THREAD_SIZE));
__va(memblock_phys_alloc(THREAD_SIZE, THREAD_SIZE));
#endif
}
}
......
......@@ -788,7 +788,7 @@ static void __init setup_node_data(int nid, u64 start_pfn, u64 end_pfn)
void *nd;
int tnid;
nd_pa = memblock_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid);
nd_pa = memblock_phys_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid);
nd = __va(nd_pa);
/* report and initialize */
......
......@@ -50,7 +50,7 @@ __ref pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
if (slab_is_available()) {
pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);
} else {
pte = __va(memblock_alloc(PAGE_SIZE, PAGE_SIZE));
pte = __va(memblock_phys_alloc(PAGE_SIZE, PAGE_SIZE));
if (pte)
clear_page(pte);
}
......
......@@ -224,7 +224,7 @@ void __init MMU_init_hw(void)
* Find some memory for the hash table.
*/
if ( ppc_md.progress ) ppc_md.progress("hash:find piece", 0x322);
Hash = __va(memblock_alloc(Hash_size, Hash_size));
Hash = __va(memblock_phys_alloc(Hash_size, Hash_size));
memset(Hash, 0, Hash_size);
_SDR1 = __pa(Hash) | SDR1_LOW_BITS;
......
......@@ -213,7 +213,7 @@ static int __init iob_init(struct device_node *dn)
pr_info("IOBMAP L2 allocated at: %p\n", iob_l2_base);
/* Allocate a spare page to map all invalid IOTLB pages. */
tmp = memblock_alloc(IOBMAP_PAGE_SIZE, IOBMAP_PAGE_SIZE);
tmp = memblock_phys_alloc(IOBMAP_PAGE_SIZE, IOBMAP_PAGE_SIZE);
if (!tmp)
panic("IOBMAP: Cannot allocate spare page!");
/* Empty l1 is marked invalid */
......
......@@ -171,7 +171,7 @@ int __init early_init_dt_scan_recoverable_ranges(unsigned long node,
/*
* Allocate a buffer to hold the MC recoverable ranges.
*/
mc_recoverable_range =__va(memblock_alloc(size, __alignof__(u64)));
mc_recoverable_range =__va(memblock_phys_alloc(size, __alignof__(u64)));
memset(mc_recoverable_range, 0, size);
for (i = 0; i < mc_recoverable_range_len; i++) {
......
......@@ -261,7 +261,7 @@ static void allocate_dart(void)
* that to work around what looks like a problem with the HT bridge
* prefetching into invalid pages and corrupting data
*/
tmp = memblock_alloc(DART_PAGE_SIZE, DART_PAGE_SIZE);
tmp = memblock_phys_alloc(DART_PAGE_SIZE, DART_PAGE_SIZE);
dart_emptyval = DARTMAP_VALID | ((tmp >> DART_PAGE_SHIFT) &
DARTMAP_RPNMASK);
......
......@@ -61,7 +61,7 @@ struct save_area * __init save_area_alloc(bool is_boot_cpu)
{
struct save_area *sa;
sa = (void *) memblock_alloc(sizeof(*sa), 8);
sa = (void *) memblock_phys_alloc(sizeof(*sa), 8);
if (is_boot_cpu)
list_add(&sa->list, &dump_save_areas);
else
......
......@@ -967,7 +967,8 @@ static void __init setup_randomness(void)
{
struct sysinfo_3_2_2 *vmms;
vmms = (struct sysinfo_3_2_2 *) memblock_alloc(PAGE_SIZE, PAGE_SIZE);
vmms = (struct sysinfo_3_2_2 *) memblock_phys_alloc(PAGE_SIZE,
PAGE_SIZE);
if (stsi(vmms, 3, 2, 2) == 0 && vmms->count)
add_device_randomness(&vmms->vm, sizeof(vmms->vm[0]) * vmms->count);
memblock_free((unsigned long) vmms, PAGE_SIZE);
......
......@@ -36,7 +36,7 @@ static void __ref *vmem_alloc_pages(unsigned int order)
if (slab_is_available())
return (void *)__get_free_pages(GFP_KERNEL, order);
return (void *) memblock_alloc(size, size);
return (void *) memblock_phys_alloc(size, size);
}
void *vmem_crst_alloc(unsigned long val)
......@@ -57,7 +57,7 @@ pte_t __ref *vmem_pte_alloc(void)
if (slab_is_available())
pte = (pte_t *) page_table_alloc(&init_mm);
else
pte = (pte_t *) memblock_alloc(size, size);
pte = (pte_t *) memblock_phys_alloc(size, size);
if (!pte)
return NULL;
memset64((u64 *)pte, _PAGE_INVALID, PTRS_PER_PTE);
......
......@@ -64,7 +64,7 @@ static __init pg_data_t *alloc_node_data(void)
{
pg_data_t *res;
res = (pg_data_t *) memblock_alloc(sizeof(pg_data_t), 8);
res = (pg_data_t *) memblock_phys_alloc(sizeof(pg_data_t), 8);
memset(res, 0, sizeof(pg_data_t));
return res;
}
......
......@@ -170,7 +170,7 @@ static struct mdesc_handle * __init mdesc_memblock_alloc(unsigned int mdesc_size
mdesc_size);
alloc_size = PAGE_ALIGN(handle_size);
paddr = memblock_alloc(alloc_size, PAGE_SIZE);
paddr = memblock_phys_alloc(alloc_size, PAGE_SIZE);
hp = NULL;
if (paddr) {
......
......@@ -34,7 +34,7 @@
void * __init prom_early_alloc(unsigned long size)
{
unsigned long paddr = memblock_alloc(size, SMP_CACHE_BYTES);
unsigned long paddr = memblock_phys_alloc(size, SMP_CACHE_BYTES);
void *ret;
if (!paddr) {
......
......@@ -1092,7 +1092,8 @@ static void __init allocate_node_data(int nid)
#ifdef CONFIG_NEED_MULTIPLE_NODES
unsigned long paddr;
paddr = memblock_alloc_try_nid(sizeof(struct pglist_data), SMP_CACHE_BYTES, nid);
paddr = memblock_phys_alloc_try_nid(sizeof(struct pglist_data),
SMP_CACHE_BYTES, nid);
if (!paddr) {
prom_printf("Cannot allocate pglist_data for nid[%d]\n", nid);
prom_halt();
......@@ -1266,8 +1267,8 @@ static int __init grab_mlgroups(struct mdesc_handle *md)
if (!count)
return -ENOENT;
paddr = memblock_alloc(count * sizeof(struct mdesc_mlgroup),
SMP_CACHE_BYTES);
paddr = memblock_phys_alloc(count * sizeof(struct mdesc_mlgroup),
SMP_CACHE_BYTES);
if (!paddr)
return -ENOMEM;
......@@ -1307,8 +1308,8 @@ static int __init grab_mblocks(struct mdesc_handle *md)
if (!count)
return -ENOENT;
paddr = memblock_alloc(count * sizeof(struct mdesc_mblock),
SMP_CACHE_BYTES);
paddr = memblock_phys_alloc(count * sizeof(struct mdesc_mblock),
SMP_CACHE_BYTES);
if (!paddr)
return -ENOMEM;
......
......@@ -144,7 +144,7 @@ static void __init build_mem_type_table(void)
static void __init *early_alloc(unsigned long sz)
{
void *ptr = __va(memblock_alloc(sz, sz));
void *ptr = __va(memblock_phys_alloc(sz, sz));
memset(ptr, 0, sz);
return ptr;
}
......
......@@ -196,7 +196,7 @@ static void __init alloc_node_data(int nid)
* Allocate node data. Try node-local memory and then any node.
* Never allocate in DMA zone.
*/
nd_pa = memblock_alloc_nid(nd_size, SMP_CACHE_BYTES, nid);
nd_pa = memblock_phys_alloc_nid(nd_size, SMP_CACHE_BYTES, nid);
if (!nd_pa) {
nd_pa = __memblock_alloc_base(nd_size, SMP_CACHE_BYTES,
MEMBLOCK_ALLOC_ACCESSIBLE);
......
......@@ -15,7 +15,7 @@
static phys_addr_t __init __efi_memmap_alloc_early(unsigned long size)
{
return memblock_alloc(size, 0);
return memblock_phys_alloc(size, 0);
}
static phys_addr_t __init __efi_memmap_alloc_late(unsigned long size)
......
......@@ -300,10 +300,10 @@ static inline int memblock_get_region_node(const struct memblock_region *r)
}
#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
phys_addr_t memblock_alloc_nid(phys_addr_t size, phys_addr_t align, int nid);
phys_addr_t memblock_alloc_try_nid(phys_addr_t size, phys_addr_t align, int nid);
phys_addr_t memblock_phys_alloc_nid(phys_addr_t size, phys_addr_t align, int nid);
phys_addr_t memblock_phys_alloc_try_nid(phys_addr_t size, phys_addr_t align, int nid);
phys_addr_t memblock_alloc(phys_addr_t size, phys_addr_t align);
phys_addr_t memblock_phys_alloc(phys_addr_t size, phys_addr_t align);
/*
* Set the allocation direction to bottom-up or top-down.
......
......@@ -1269,7 +1269,7 @@ phys_addr_t __init memblock_alloc_base_nid(phys_addr_t size,
return memblock_alloc_range_nid(size, align, 0, max_addr, nid, flags);
}
phys_addr_t __init memblock_alloc_nid(phys_addr_t size, phys_addr_t align, int nid)
phys_addr_t __init memblock_phys_alloc_nid(phys_addr_t size, phys_addr_t align, int nid)
{
enum memblock_flags flags = choose_memblock_flags();
phys_addr_t ret;
......@@ -1304,14 +1304,14 @@ phys_addr_t __init memblock_alloc_base(phys_addr_t size, phys_addr_t align, phys
return alloc;
}
phys_addr_t __init memblock_alloc(phys_addr_t size, phys_addr_t align)
phys_addr_t __init memblock_phys_alloc(phys_addr_t size, phys_addr_t align)
{
return memblock_alloc_base(size, align, MEMBLOCK_ALLOC_ACCESSIBLE);
}
phys_addr_t __init memblock_alloc_try_nid(phys_addr_t size, phys_addr_t align, int nid)
phys_addr_t __init memblock_phys_alloc_try_nid(phys_addr_t size, phys_addr_t align, int nid)
{
phys_addr_t res = memblock_alloc_nid(size, align, nid);
phys_addr_t res = memblock_phys_alloc_nid(size, align, nid);
if (res)
return res;
......
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