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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 16 Jan 2019 13:46:09 -0000 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x0GDk9jJ50987132 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 16 Jan 2019 13:46:09 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D86F652059; Wed, 16 Jan 2019 13:46:08 +0000 (GMT) Received: from rapoport-lnx (unknown [9.148.8.226]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTPS id B80C35204F; Wed, 16 Jan 2019 13:46:04 +0000 (GMT) Received: by rapoport-lnx (sSMTP sendmail emulation); Wed, 16 Jan 2019 15:46:04 +0200 From: Mike Rapoport To: linux-mm@kvack.org Subject: [PATCH 21/21] memblock: drop memblock_alloc_*_nopanic() variants Date: Wed, 16 Jan 2019 15:44:21 +0200 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1547646261-32535-1-git-send-email-rppt@linux.ibm.com> References: <1547646261-32535-1-git-send-email-rppt@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19011613-0016-0000-0000-0000024644BB X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19011613-0017-0000-0000-000032A061DF Message-Id: <1547646261-32535-22-git-send-email-rppt@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-01-16_05:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=3 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1901160114 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190116_054626_078019_177EC781 X-CRM114-Status: GOOD ( 29.16 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rich Felker , linux-ia64@vger.kernel.org, devicetree@vger.kernel.org, Catalin Marinas , Heiko Carstens , x86@kernel.org, linux-mips@vger.kernel.org, Max Filippov , Guo Ren , sparclinux@vger.kernel.org, Christoph Hellwig , linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , Richard Weinberger , linux-sh@vger.kernel.org, Russell King , kasan-dev@googlegroups.com, Mike Rapoport , Geert Uytterhoeven , Mark Salter , Dennis Zhou , Matt Turner , linux-snps-arc@lists.infradead.org, uclinux-h8-devel@lists.sourceforge.jp, Petr Mladek , linux-xtensa@linux-xtensa.org, linux-alpha@vger.kernel.org, linux-um@lists.infradead.org, linux-m68k@lists.linux-m68k.org, Rob Herring , Greentime Hu , xen-devel@lists.xenproject.org, Stafford Horne , Guan Xuetao , linux-arm-kernel@lists.infradead.org, Michal Simek , Tony Luck , Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Paul Burton , Vineet Gupta , Michael Ellerman , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" , openrisc@lists.librecores.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP As all the memblock allocation functions return NULL in case of error rather than panic(), the duplicates with _nopanic suffix can be removed. Signed-off-by: Mike Rapoport Acked-by: Greg Kroah-Hartman --- arch/arc/kernel/unwind.c | 3 +-- arch/sh/mm/init.c | 2 +- arch/x86/kernel/setup_percpu.c | 10 +++++----- arch/x86/mm/kasan_init_64.c | 14 ++++++++------ drivers/firmware/memmap.c | 2 +- drivers/usb/early/xhci-dbc.c | 2 +- include/linux/memblock.h | 35 ----------------------------------- kernel/dma/swiotlb.c | 2 +- kernel/printk/printk.c | 17 +++++++---------- mm/memblock.c | 35 ----------------------------------- mm/page_alloc.c | 10 +++++----- mm/page_ext.c | 2 +- mm/percpu.c | 11 ++++------- mm/sparse.c | 6 ++---- 14 files changed, 37 insertions(+), 114 deletions(-) diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c index d34f69e..271e9fa 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 fceefd9..7062132 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 e8796fc..0c5e9bf 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 462fde8..8dc0fc0 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 ec4fd25..d168c87 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 d2652dc..c9cfb10 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 f5a83a1..71c9e32 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -379,9 +379,6 @@ 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); @@ -408,36 +405,12 @@ 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) @@ -446,14 +419,6 @@ 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 e78835c8..659fc2a5 100644 --- a/kernel/dma/swiotlb.c +++ b/kernel/dma/swiotlb.c @@ -248,7 +248,7 @@ 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 c4f0a41..ae65221 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -1147,17 +1147,14 @@ 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); + if (early) + panic("log_buf_len: %lu bytes not available\n", + new_log_buf_len); + else + pr_err("log_buf_len: %lu bytes not available\n", + new_log_buf_len); return; } diff --git a/mm/memblock.c b/mm/memblock.c index 7164275..522a44e 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -1491,41 +1491,6 @@ 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 d7a5219..cd5c593 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6556,8 +6556,8 @@ 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); } #else static inline void setup_usemap(struct pglist_data *pgdat, struct zone *zone, @@ -6786,7 +6786,8 @@ 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); pgdat->node_mem_map = map + offset; } pr_debug("%s: node %d, pgdat %08lx, node_mem_map %08lx\n", @@ -8064,8 +8065,7 @@ 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 0cfaa06..a3db109 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 5998b03..e302b81 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 ad94242..1471f06 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)