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author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-26 19:33:41 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-26 19:33:41 -0700 |
commit | 345671ea0f9258f410eb057b9ced9cefbbe5dc78 (patch) | |
tree | fe97ba3d27679789e6aa34e39b002ee64ce25412 /arch/nios2 | |
parent | 4904008165c8a1c48602b8316139691b8c735e6e (diff) | |
parent | 22146c3ce98962436e401f7b7016a6f664c9ffb5 (diff) | |
download | linux-stable-345671ea0f9258f410eb057b9ced9cefbbe5dc78.tar.gz linux-stable-345671ea0f9258f410eb057b9ced9cefbbe5dc78.tar.bz2 linux-stable-345671ea0f9258f410eb057b9ced9cefbbe5dc78.zip |
Merge branch 'akpm' (patches from Andrew)
Merge updates from Andrew Morton:
- a few misc things
- ocfs2 updates
- most of MM
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (132 commits)
hugetlbfs: dirty pages as they are added to pagecache
mm: export add_swap_extent()
mm: split SWP_FILE into SWP_ACTIVATED and SWP_FS
tools/testing/selftests/vm/map_fixed_noreplace.c: add test for MAP_FIXED_NOREPLACE
mm: thp: relocate flush_cache_range() in migrate_misplaced_transhuge_page()
mm: thp: fix mmu_notifier in migrate_misplaced_transhuge_page()
mm: thp: fix MADV_DONTNEED vs migrate_misplaced_transhuge_page race condition
mm/kasan/quarantine.c: make quarantine_lock a raw_spinlock_t
mm/gup: cache dev_pagemap while pinning pages
Revert "x86/e820: put !E820_TYPE_RAM regions into memblock.reserved"
mm: return zero_resv_unavail optimization
mm: zero remaining unavailable struct pages
tools/testing/selftests/vm/gup_benchmark.c: add MAP_HUGETLB option
tools/testing/selftests/vm/gup_benchmark.c: add MAP_SHARED option
tools/testing/selftests/vm/gup_benchmark.c: allow user specified file
tools/testing/selftests/vm/gup_benchmark.c: fix 'write' flag usage
mm/gup_benchmark.c: add additional pinning methods
mm/gup_benchmark.c: time put_page()
mm: don't raise MEMCG_OOM event due to failed high-order allocation
mm/page-writeback.c: fix range_cyclic writeback vs writepages deadlock
...
Diffstat (limited to 'arch/nios2')
-rw-r--r-- | arch/nios2/Kconfig | 3 | ||||
-rw-r--r-- | arch/nios2/kernel/prom.c | 17 | ||||
-rw-r--r-- | arch/nios2/kernel/setup.c | 39 |
3 files changed, 10 insertions, 49 deletions
diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig index 03965692fbfe..2df0c57f2833 100644 --- a/arch/nios2/Kconfig +++ b/arch/nios2/Kconfig @@ -23,6 +23,9 @@ config NIOS2 select SPARSE_IRQ select USB_ARCH_HAS_HCD if USB_SUPPORT select CPU_NO_EFFICIENT_FFS + select HAVE_MEMBLOCK + select ARCH_DISCARD_MEMBLOCK + select NO_BOOTMEM config GENERIC_CSUM def_bool y diff --git a/arch/nios2/kernel/prom.c b/arch/nios2/kernel/prom.c index 8d7446a4b475..a6d4f7530247 100644 --- a/arch/nios2/kernel/prom.c +++ b/arch/nios2/kernel/prom.c @@ -32,23 +32,6 @@ #include <asm/sections.h> -void __init early_init_dt_add_memory_arch(u64 base, u64 size) -{ - u64 kernel_start = (u64)virt_to_phys(_text); - - if (!memory_size && - (kernel_start >= base) && (kernel_start < (base + size))) - memory_size = size; - -} - -int __init early_init_dt_reserve_memory_arch(phys_addr_t base, phys_addr_t size, - bool nomap) -{ - reserve_bootmem(base, size, BOOTMEM_DEFAULT); - return 0; -} - void __init early_init_devtree(void *params) { __be32 *dtb = (u32 *)__dtb_start; diff --git a/arch/nios2/kernel/setup.c b/arch/nios2/kernel/setup.c index 926a02b17b31..2d0011ddd4d5 100644 --- a/arch/nios2/kernel/setup.c +++ b/arch/nios2/kernel/setup.c @@ -17,6 +17,7 @@ #include <linux/sched/task.h> #include <linux/console.h> #include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/initrd.h> #include <linux/of_fdt.h> #include <linux/screen_info.h> @@ -143,10 +144,12 @@ asmlinkage void __init nios2_boot_init(unsigned r4, unsigned r5, unsigned r6, void __init setup_arch(char **cmdline_p) { - int bootmap_size; + int dram_start; console_verbose(); + dram_start = memblock_start_of_DRAM(); + memory_size = memblock_phys_mem_size(); memory_start = PAGE_ALIGN((unsigned long)__pa(_end)); memory_end = (unsigned long) CONFIG_NIOS2_MEM_BASE + memory_size; @@ -163,39 +166,11 @@ void __init setup_arch(char **cmdline_p) max_low_pfn = PFN_DOWN(memory_end); max_mapnr = max_low_pfn; - /* - * give all the memory to the bootmap allocator, tell it to put the - * boot mem_map at the start of memory - */ - pr_debug("init_bootmem_node(?,%#lx, %#x, %#lx)\n", - min_low_pfn, PFN_DOWN(PHYS_OFFSET), max_low_pfn); - bootmap_size = init_bootmem_node(NODE_DATA(0), - min_low_pfn, PFN_DOWN(PHYS_OFFSET), - max_low_pfn); - - /* - * free the usable memory, we have to make sure we do not free - * the bootmem bitmap so we then reserve it after freeing it :-) - */ - pr_debug("free_bootmem(%#lx, %#lx)\n", - memory_start, memory_end - memory_start); - free_bootmem(memory_start, memory_end - memory_start); - - /* - * Reserve the bootmem bitmap itself as well. We do this in two - * steps (first step was init_bootmem()) because this catches - * the (very unlikely) case of us accidentally initializing the - * bootmem allocator with an invalid RAM area. - * - * Arguments are start, size - */ - pr_debug("reserve_bootmem(%#lx, %#x)\n", memory_start, bootmap_size); - reserve_bootmem(memory_start, bootmap_size, BOOTMEM_DEFAULT); - + memblock_reserve(dram_start, memory_start - dram_start); #ifdef CONFIG_BLK_DEV_INITRD if (initrd_start) { - reserve_bootmem(virt_to_phys((void *)initrd_start), - initrd_end - initrd_start, BOOTMEM_DEFAULT); + memblock_reserve(virt_to_phys((void *)initrd_start), + initrd_end - initrd_start); } #endif /* CONFIG_BLK_DEV_INITRD */ |