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

Browse Source 
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.com
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Acked-by: Michal 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: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mike Rapoport 2018-10-30 15:07:59 -07:00 committed by Linus Torvalds
parent b146ada221
commit 9a8dd708d5
30 changed files with 50 additions and 51 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/mm/mmu.c
View File

@ -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;
}

2
arch/arm64/mm/mmu.c
View File

@ -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

2
arch/arm64/mm/numa.c
View File

@ -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 */

4
arch/c6x/mm/dma-coherent.c
View File

@ -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);

8
arch/nds32/mm/init.c
View File

@ -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();

2
arch/openrisc/mm/init.c
View File

@ -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 */

2
arch/openrisc/mm/ioremap.c
View File

@ -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)

4
arch/powerpc/kernel/dt_cpu_ftrs.c
View File

@ -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);

2
arch/powerpc/kernel/paca.c
View File

@ -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);
}

2
arch/powerpc/kernel/prom.c
View File

@ -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);

3
arch/powerpc/kernel/setup-common.c
View File

@ -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") {

10
arch/powerpc/kernel/setup_32.c
View File

@ -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
}
}

2
arch/powerpc/mm/numa.c
View File

@ -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 */

2
arch/powerpc/mm/pgtable_32.c
View File

@ -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);
}

2
arch/powerpc/mm/ppc_mmu_32.c
View File

@ -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;

2
arch/powerpc/platforms/pasemi/iommu.c
View File

@ -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 */

2
arch/powerpc/platforms/powernv/opal.c
View File

@ -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++) {

2
arch/powerpc/sysdev/dart_iommu.c
View File

@ -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);

2
arch/s390/kernel/crash_dump.c
View File

@ -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

3
arch/s390/kernel/setup.c
View File

@ -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);

4
arch/s390/mm/vmem.c
View File

@ -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);

2
arch/s390/numa/numa.c
View File

@ -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;
}

2
arch/sparc/kernel/mdesc.c
View File

@ -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) {

2
arch/sparc/kernel/prom_64.c
View File

@ -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) {

11
arch/sparc/mm/init_64.c
View File

@ -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;

2
arch/unicore32/mm/mmu.c
View File

@ -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;
}

2
arch/x86/mm/numa.c
View File

@ -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);

2
drivers/firmware/efi/memmap.c
View File

@ -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)

6
include/linux/memblock.h
View File

@ -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.

8
mm/memblock.c
View File

@ -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;