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authorMike Rapoport <rppt@linux.ibm.com>2019-03-11 23:30:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-03-12 10:04:02 -0700
commit26fb3dae0a1ec78bdde4b5b72e0e709503e8c596 (patch)
tree2179b20e2d8552352f0d4bb8a1598a2340d22bef
parentc0dbe825a9f11d68725b01b9ed311f7c44ca9166 (diff)
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memblock: drop memblock_alloc_*_nopanic() variants
As all the memblock allocation functions return NULL in case of error rather than panic(), the duplicates with _nopanic suffix can be removed. Link: http://lkml.kernel.org/r/1548057848-15136-22-git-send-email-rppt@linux.ibm.com Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Petr Mladek <pmladek@suse.com> [printk] Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christophe Leroy <christophe.leroy@c-s.fr> Cc: Christoph Hellwig <hch@lst.de> Cc: "David S. Miller" <davem@davemloft.net> Cc: Dennis Zhou <dennis@kernel.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Guo Ren <guoren@kernel.org> Cc: Guo Ren <ren_guo@c-sky.com> [c-sky] Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Juergen Gross <jgross@suse.com> [Xen] Cc: Mark Salter <msalter@redhat.com> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Paul Burton <paul.burton@mips.com> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Rob Herring <robh@kernel.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Stafford Horne <shorne@gmail.com> 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>
-rw-r--r--arch/arc/kernel/unwind.c3
-rw-r--r--arch/sh/mm/init.c2
-rw-r--r--arch/x86/kernel/setup_percpu.c10
-rw-r--r--arch/x86/mm/kasan_init_64.c14
-rw-r--r--drivers/firmware/memmap.c2
-rw-r--r--drivers/usb/early/xhci-dbc.c2
-rw-r--r--include/linux/memblock.h35
-rw-r--r--kernel/dma/swiotlb.c2
-rw-r--r--kernel/printk/printk.c9
-rw-r--r--mm/memblock.c35
-rw-r--r--mm/page_alloc.c10
-rw-r--r--mm/page_ext.c2
-rw-r--r--mm/percpu.c11
-rw-r--r--mm/sparse.c6
14 files changed, 31 insertions, 112 deletions
diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c
index d34f69eb1a95..271e9fafa479 100644
--- a/arch/arc/kernel/unwind.c
+++ b/arch/arc/kernel/unwind.c
@@ -181,8 +181,7 @@ static void init_unwind_hdr(struct unwind_table *table,
*/
static void *__init unw_hdr_alloc_early(unsigned long sz)
{
- return memblock_alloc_from_nopanic(sz, sizeof(unsigned int),
- MAX_DMA_ADDRESS);
+ return memblock_alloc_from(sz, sizeof(unsigned int), MAX_DMA_ADDRESS);
}
static void *unw_hdr_alloc(unsigned long sz)
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index fceefd92016f..70621324db41 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -202,7 +202,7 @@ void __init allocate_pgdat(unsigned int nid)
get_pfn_range_for_nid(nid, &start_pfn, &end_pfn);
#ifdef CONFIG_NEED_MULTIPLE_NODES
- NODE_DATA(nid) = memblock_alloc_try_nid_nopanic(
+ NODE_DATA(nid) = memblock_alloc_try_nid(
sizeof(struct pglist_data),
SMP_CACHE_BYTES, MEMBLOCK_LOW_LIMIT,
MEMBLOCK_ALLOC_ACCESSIBLE, nid);
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 13af08827eef..4bf46575568a 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -106,22 +106,22 @@ static void * __init pcpu_alloc_bootmem(unsigned int cpu, unsigned long size,
void *ptr;
if (!node_online(node) || !NODE_DATA(node)) {
- ptr = memblock_alloc_from_nopanic(size, align, goal);
+ ptr = memblock_alloc_from(size, align, goal);
pr_info("cpu %d has no node %d or node-local memory\n",
cpu, node);
pr_debug("per cpu data for cpu%d %lu bytes at %016lx\n",
cpu, size, __pa(ptr));
} else {
- ptr = memblock_alloc_try_nid_nopanic(size, align, goal,
- MEMBLOCK_ALLOC_ACCESSIBLE,
- node);
+ ptr = memblock_alloc_try_nid(size, align, goal,
+ MEMBLOCK_ALLOC_ACCESSIBLE,
+ node);
pr_debug("per cpu data for cpu%d %lu bytes on node%d at %016lx\n",
cpu, size, node, __pa(ptr));
}
return ptr;
#else
- return memblock_alloc_from_nopanic(size, align, goal);
+ return memblock_alloc_from(size, align, goal);
#endif
}
diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c
index 462fde83b515..8dc0fc0b1382 100644
--- a/arch/x86/mm/kasan_init_64.c
+++ b/arch/x86/mm/kasan_init_64.c
@@ -24,14 +24,16 @@ extern struct range pfn_mapped[E820_MAX_ENTRIES];
static p4d_t tmp_p4d_table[MAX_PTRS_PER_P4D] __initdata __aligned(PAGE_SIZE);
-static __init void *early_alloc(size_t size, int nid, bool panic)
+static __init void *early_alloc(size_t size, int nid, bool should_panic)
{
- if (panic)
- return memblock_alloc_try_nid(size, size,
- __pa(MAX_DMA_ADDRESS), MEMBLOCK_ALLOC_ACCESSIBLE, nid);
- else
- return memblock_alloc_try_nid_nopanic(size, size,
+ void *ptr = memblock_alloc_try_nid(size, size,
__pa(MAX_DMA_ADDRESS), MEMBLOCK_ALLOC_ACCESSIBLE, nid);
+
+ if (!ptr && should_panic)
+ panic("%pS: Failed to allocate page, nid=%d from=%lx\n",
+ (void *)_RET_IP_, nid, __pa(MAX_DMA_ADDRESS));
+
+ return ptr;
}
static void __init kasan_populate_pmd(pmd_t *pmd, unsigned long addr,
diff --git a/drivers/firmware/memmap.c b/drivers/firmware/memmap.c
index ec4fd253a4e9..d168c87c7d30 100644
--- a/drivers/firmware/memmap.c
+++ b/drivers/firmware/memmap.c
@@ -333,7 +333,7 @@ int __init firmware_map_add_early(u64 start, u64 end, const char *type)
{
struct firmware_map_entry *entry;
- entry = memblock_alloc_nopanic(sizeof(struct firmware_map_entry),
+ entry = memblock_alloc(sizeof(struct firmware_map_entry),
SMP_CACHE_BYTES);
if (WARN_ON(!entry))
return -ENOMEM;
diff --git a/drivers/usb/early/xhci-dbc.c b/drivers/usb/early/xhci-dbc.c
index d2652dccc699..c9cfb100ecdc 100644
--- a/drivers/usb/early/xhci-dbc.c
+++ b/drivers/usb/early/xhci-dbc.c
@@ -94,7 +94,7 @@ static void * __init xdbc_get_page(dma_addr_t *dma_addr)
{
void *virt;
- virt = memblock_alloc_nopanic(PAGE_SIZE, PAGE_SIZE);
+ virt = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
if (!virt)
return NULL;
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index c077227e6d53..db69ad97aa2e 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -335,9 +335,6 @@ static inline phys_addr_t memblock_phys_alloc(phys_addr_t size,
void *memblock_alloc_try_nid_raw(phys_addr_t size, phys_addr_t align,
phys_addr_t min_addr, phys_addr_t max_addr,
int nid);
-void *memblock_alloc_try_nid_nopanic(phys_addr_t size, phys_addr_t align,
- phys_addr_t min_addr, phys_addr_t max_addr,
- int nid);
void *memblock_alloc_try_nid(phys_addr_t size, phys_addr_t align,
phys_addr_t min_addr, phys_addr_t max_addr,
int nid);
@@ -364,36 +361,12 @@ static inline void * __init memblock_alloc_from(phys_addr_t size,
MEMBLOCK_ALLOC_ACCESSIBLE, NUMA_NO_NODE);
}
-static inline void * __init memblock_alloc_nopanic(phys_addr_t size,
- phys_addr_t align)
-{
- return memblock_alloc_try_nid_nopanic(size, align, MEMBLOCK_LOW_LIMIT,
- MEMBLOCK_ALLOC_ACCESSIBLE,
- NUMA_NO_NODE);
-}
-
static inline void * __init memblock_alloc_low(phys_addr_t size,
phys_addr_t align)
{
return memblock_alloc_try_nid(size, align, MEMBLOCK_LOW_LIMIT,
ARCH_LOW_ADDRESS_LIMIT, NUMA_NO_NODE);
}
-static inline void * __init memblock_alloc_low_nopanic(phys_addr_t size,
- phys_addr_t align)
-{
- return memblock_alloc_try_nid_nopanic(size, align, MEMBLOCK_LOW_LIMIT,
- ARCH_LOW_ADDRESS_LIMIT,
- NUMA_NO_NODE);
-}
-
-static inline void * __init memblock_alloc_from_nopanic(phys_addr_t size,
- phys_addr_t align,
- phys_addr_t min_addr)
-{
- return memblock_alloc_try_nid_nopanic(size, align, min_addr,
- MEMBLOCK_ALLOC_ACCESSIBLE,
- NUMA_NO_NODE);
-}
static inline void * __init memblock_alloc_node(phys_addr_t size,
phys_addr_t align, int nid)
@@ -402,14 +375,6 @@ static inline void * __init memblock_alloc_node(phys_addr_t size,
MEMBLOCK_ALLOC_ACCESSIBLE, nid);
}
-static inline void * __init memblock_alloc_node_nopanic(phys_addr_t size,
- int nid)
-{
- return memblock_alloc_try_nid_nopanic(size, SMP_CACHE_BYTES,
- MEMBLOCK_LOW_LIMIT,
- MEMBLOCK_ALLOC_ACCESSIBLE, nid);
-}
-
static inline void __init memblock_free_early(phys_addr_t base,
phys_addr_t size)
{
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index 56ac77a80b1f..53012db1e53c 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -256,7 +256,7 @@ swiotlb_init(int verbose)
bytes = io_tlb_nslabs << IO_TLB_SHIFT;
/* Get IO TLB memory from the low pages */
- vstart = memblock_alloc_low_nopanic(PAGE_ALIGN(bytes), PAGE_SIZE);
+ vstart = memblock_alloc_low(PAGE_ALIGN(bytes), PAGE_SIZE);
if (vstart && !swiotlb_init_with_tbl(vstart, io_tlb_nslabs, verbose))
return;
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 8eee85bb2687..6b7654b8001f 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -1143,14 +1143,7 @@ void __init setup_log_buf(int early)
if (!new_log_buf_len)
return;
- if (early) {
- new_log_buf =
- memblock_alloc(new_log_buf_len, LOG_ALIGN);
- } else {
- new_log_buf = memblock_alloc_nopanic(new_log_buf_len,
- LOG_ALIGN);
- }
-
+ new_log_buf = memblock_alloc(new_log_buf_len, LOG_ALIGN);
if (unlikely(!new_log_buf)) {
pr_err("log_buf_len: %lu bytes not available\n",
new_log_buf_len);
diff --git a/mm/memblock.c b/mm/memblock.c
index a838c50ca9a8..0ab30d0185bc 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1434,41 +1434,6 @@ void * __init memblock_alloc_try_nid_raw(
}
/**
- * memblock_alloc_try_nid_nopanic - allocate boot memory block
- * @size: size of memory block to be allocated in bytes
- * @align: alignment of the region and block's size
- * @min_addr: the lower bound of the memory region from where the allocation
- * is preferred (phys address)
- * @max_addr: the upper bound of the memory region from where the allocation
- * is preferred (phys address), or %MEMBLOCK_ALLOC_ACCESSIBLE to
- * allocate only from memory limited by memblock.current_limit value
- * @nid: nid of the free area to find, %NUMA_NO_NODE for any node
- *
- * Public function, provides additional debug information (including caller
- * info), if enabled. This function zeroes the allocated memory.
- *
- * Return:
- * Virtual address of allocated memory block on success, NULL on failure.
- */
-void * __init memblock_alloc_try_nid_nopanic(
- phys_addr_t size, phys_addr_t align,
- phys_addr_t min_addr, phys_addr_t max_addr,
- int nid)
-{
- void *ptr;
-
- memblock_dbg("%s: %llu bytes align=0x%llx nid=%d from=%pa max_addr=%pa %pF\n",
- __func__, (u64)size, (u64)align, nid, &min_addr,
- &max_addr, (void *)_RET_IP_);
-
- ptr = memblock_alloc_internal(size, align,
- min_addr, max_addr, nid);
- if (ptr)
- memset(ptr, 0, size);
- return ptr;
-}
-
-/**
* memblock_alloc_try_nid - allocate boot memory block
* @size: size of memory block to be allocated in bytes
* @align: alignment of the region and block's size
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 3eb01dedfb50..03fcf73d47da 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -6445,8 +6445,8 @@ static void __ref setup_usemap(struct pglist_data *pgdat,
zone->pageblock_flags = NULL;
if (usemapsize) {
zone->pageblock_flags =
- memblock_alloc_node_nopanic(usemapsize,
- pgdat->node_id);
+ memblock_alloc_node(usemapsize, SMP_CACHE_BYTES,
+ pgdat->node_id);
if (!zone->pageblock_flags)
panic("Failed to allocate %ld bytes for zone %s pageblock flags on node %d\n",
usemapsize, zone->name, pgdat->node_id);
@@ -6679,7 +6679,8 @@ static void __ref alloc_node_mem_map(struct pglist_data *pgdat)
end = pgdat_end_pfn(pgdat);
end = ALIGN(end, MAX_ORDER_NR_PAGES);
size = (end - start) * sizeof(struct page);
- map = memblock_alloc_node_nopanic(size, pgdat->node_id);
+ map = memblock_alloc_node(size, SMP_CACHE_BYTES,
+ pgdat->node_id);
if (!map)
panic("Failed to allocate %ld bytes for node %d memory map\n",
size, pgdat->node_id);
@@ -7959,8 +7960,7 @@ void *__init alloc_large_system_hash(const char *tablename,
size = bucketsize << log2qty;
if (flags & HASH_EARLY) {
if (flags & HASH_ZERO)
- table = memblock_alloc_nopanic(size,
- SMP_CACHE_BYTES);
+ table = memblock_alloc(size, SMP_CACHE_BYTES);
else
table = memblock_alloc_raw(size,
SMP_CACHE_BYTES);
diff --git a/mm/page_ext.c b/mm/page_ext.c
index ab4244920e0f..d8f1aca4ad43 100644
--- a/mm/page_ext.c
+++ b/mm/page_ext.c
@@ -161,7 +161,7 @@ static int __init alloc_node_page_ext(int nid)
table_size = get_entry_size() * nr_pages;
- base = memblock_alloc_try_nid_nopanic(
+ base = memblock_alloc_try_nid(
table_size, PAGE_SIZE, __pa(MAX_DMA_ADDRESS),
MEMBLOCK_ALLOC_ACCESSIBLE, nid);
if (!base)
diff --git a/mm/percpu.c b/mm/percpu.c
index 3f9fb3086a9b..2e6fc8d552c9 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -1905,7 +1905,7 @@ struct pcpu_alloc_info * __init pcpu_alloc_alloc_info(int nr_groups,
__alignof__(ai->groups[0].cpu_map[0]));
ai_size = base_size + nr_units * sizeof(ai->groups[0].cpu_map[0]);
- ptr = memblock_alloc_nopanic(PFN_ALIGN(ai_size), PAGE_SIZE);
+ ptr = memblock_alloc(PFN_ALIGN(ai_size), PAGE_SIZE);
if (!ptr)
return NULL;
ai = ptr;
@@ -2496,7 +2496,7 @@ int __init pcpu_embed_first_chunk(size_t reserved_size, size_t dyn_size,
size_sum = ai->static_size + ai->reserved_size + ai->dyn_size;
areas_size = PFN_ALIGN(ai->nr_groups * sizeof(void *));
- areas = memblock_alloc_nopanic(areas_size, SMP_CACHE_BYTES);
+ areas = memblock_alloc(areas_size, SMP_CACHE_BYTES);
if (!areas) {
rc = -ENOMEM;
goto out_free;
@@ -2729,8 +2729,7 @@ EXPORT_SYMBOL(__per_cpu_offset);
static void * __init pcpu_dfl_fc_alloc(unsigned int cpu, size_t size,
size_t align)
{
- return memblock_alloc_from_nopanic(
- size, align, __pa(MAX_DMA_ADDRESS));
+ return memblock_alloc_from(size, align, __pa(MAX_DMA_ADDRESS));
}
static void __init pcpu_dfl_fc_free(void *ptr, size_t size)
@@ -2778,9 +2777,7 @@ void __init setup_per_cpu_areas(void)
void *fc;
ai = pcpu_alloc_alloc_info(1, 1);
- fc = memblock_alloc_from_nopanic(unit_size,
- PAGE_SIZE,
- __pa(MAX_DMA_ADDRESS));
+ fc = memblock_alloc_from(unit_size, PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
if (!ai || !fc)
panic("Failed to allocate memory for percpu areas.");
/* kmemleak tracks the percpu allocations separately */
diff --git a/mm/sparse.c b/mm/sparse.c
index 7397fb4e78b4..69904aa6165b 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -330,9 +330,7 @@ sparse_early_usemaps_alloc_pgdat_section(struct pglist_data *pgdat,
limit = goal + (1UL << PA_SECTION_SHIFT);
nid = early_pfn_to_nid(goal >> PAGE_SHIFT);
again:
- p = memblock_alloc_try_nid_nopanic(size,
- SMP_CACHE_BYTES, goal, limit,
- nid);
+ p = memblock_alloc_try_nid(size, SMP_CACHE_BYTES, goal, limit, nid);
if (!p && limit) {
limit = 0;
goto again;
@@ -386,7 +384,7 @@ static unsigned long * __init
sparse_early_usemaps_alloc_pgdat_section(struct pglist_data *pgdat,
unsigned long size)
{
- return memblock_alloc_node_nopanic(size, pgdat->node_id);
+ return memblock_alloc_node(size, SMP_CACHE_BYTES, pgdat->node_id);
}
static void __init check_usemap_section_nr(int nid, unsigned long *usemap)