[PATCH 18/30] memblock: replace alloc_bootmem_low_pages with memblock_alloc_low
From: Mike Rapoport <hidden>
Date: 2018-09-14 12:12:59
Also in:
linux-mips, linux-mm, linux-riscv, linux-s390, linux-um, linuxppc-dev
Subsystem:
m68k architecture, mips, synopsys arc architecture, tensilica xtensa port (xtensa), the rest, user-mode linux (uml) · Maintainers:
Geert Uytterhoeven, Thomas Bogendoerfer, Vineet Gupta, Chris Zankel, Max Filippov, Linus Torvalds, Richard Weinberger, Anton Ivanov, Johannes Berg
The alloc_bootmem_low_pages() function allocates PAGE_SIZE aligned regions from low memory. memblock_alloc_low() with alignment set to PAGE_SIZE does exactly the same thing. The conversion is done using the following semantic patch: @@ expression e; @@ - alloc_bootmem_low_pages(e) + memblock_alloc_low(e, PAGE_SIZE) Signed-off-by: Mike Rapoport <redacted> Acked-by: Michal Hocko <mhocko@suse.com> --- arch/arc/mm/highmem.c | 2 +- arch/m68k/atari/stram.c | 3 ++- arch/m68k/mm/motorola.c | 5 +++-- arch/mips/cavium-octeon/dma-octeon.c | 2 +- arch/mips/mm/init.c | 3 ++- arch/um/kernel/mem.c | 10 ++++++---- arch/xtensa/mm/mmu.c | 2 +- 7 files changed, 16 insertions(+), 11 deletions(-)
diff --git a/arch/arc/mm/highmem.c b/arch/arc/mm/highmem.c
index 77ff64a..f582dc8 100644
--- a/arch/arc/mm/highmem.c
+++ b/arch/arc/mm/highmem.c@@ -123,7 +123,7 @@ static noinline pte_t * __init alloc_kmap_pgtable(unsigned long kvaddr) pud_k = pud_offset(pgd_k, kvaddr); pmd_k = pmd_offset(pud_k, kvaddr); - pte_k = (pte_t *)alloc_bootmem_low_pages(PAGE_SIZE); + pte_k = (pte_t *)memblock_alloc_low(PAGE_SIZE, PAGE_SIZE); pmd_populate_kernel(&init_mm, pmd_k, pte_k); return pte_k; }
diff --git a/arch/m68k/atari/stram.c b/arch/m68k/atari/stram.c
index c83d664..1089d67 100644
--- a/arch/m68k/atari/stram.c
+++ b/arch/m68k/atari/stram.c@@ -95,7 +95,8 @@ void __init atari_stram_reserve_pages(void *start_mem) { if (kernel_in_stram) { pr_debug("atari_stram pool: kernel in ST-RAM, using alloc_bootmem!\n"); - stram_pool.start = (resource_size_t)alloc_bootmem_low_pages(pool_size); + stram_pool.start = (resource_size_t)memblock_alloc_low(pool_size, + PAGE_SIZE); stram_pool.end = stram_pool.start + pool_size - 1; request_resource(&iomem_resource, &stram_pool); stram_virt_offset = 0;
diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c
index 4e17ecb..8bcf57e 100644
--- a/arch/m68k/mm/motorola.c
+++ b/arch/m68k/mm/motorola.c@@ -55,7 +55,7 @@ static pte_t * __init kernel_page_table(void) { pte_t *ptablep; - ptablep = (pte_t *)alloc_bootmem_low_pages(PAGE_SIZE); + ptablep = (pte_t *)memblock_alloc_low(PAGE_SIZE, PAGE_SIZE); clear_page(ptablep); __flush_page_to_ram(ptablep);
@@ -95,7 +95,8 @@ static pmd_t * __init kernel_ptr_table(void) last_pgtable += PTRS_PER_PMD; if (((unsigned long)last_pgtable & ~PAGE_MASK) == 0) { - last_pgtable = (pmd_t *)alloc_bootmem_low_pages(PAGE_SIZE); + last_pgtable = (pmd_t *)memblock_alloc_low(PAGE_SIZE, + PAGE_SIZE); clear_page(last_pgtable); __flush_page_to_ram(last_pgtable);
diff --git a/arch/mips/cavium-octeon/dma-octeon.c b/arch/mips/cavium-octeon/dma-octeon.c
index 236833b..c44c1a6 100644
--- a/arch/mips/cavium-octeon/dma-octeon.c
+++ b/arch/mips/cavium-octeon/dma-octeon.c@@ -244,7 +244,7 @@ void __init plat_swiotlb_setup(void) swiotlb_nslabs = ALIGN(swiotlb_nslabs, IO_TLB_SEGSIZE); swiotlbsize = swiotlb_nslabs << IO_TLB_SHIFT; - octeon_swiotlb = alloc_bootmem_low_pages(swiotlbsize); + octeon_swiotlb = memblock_alloc_low(swiotlbsize, PAGE_SIZE); if (swiotlb_init_with_tbl(octeon_swiotlb, swiotlb_nslabs, 1) == -ENOMEM) panic("Cannot allocate SWIOTLB buffer");
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 400676c..a010fba7 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c@@ -244,7 +244,8 @@ void __init fixrange_init(unsigned long start, unsigned long end, pmd = (pmd_t *)pud; for (; (k < PTRS_PER_PMD) && (vaddr < end); pmd++, k++) { if (pmd_none(*pmd)) { - pte = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE); + pte = (pte_t *) memblock_alloc_low(PAGE_SIZE, + PAGE_SIZE); set_pmd(pmd, __pmd((unsigned long)pte)); BUG_ON(pte != pte_offset_kernel(pmd, 0)); }
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 3c0e470..185f6bb 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c@@ -64,7 +64,8 @@ void __init mem_init(void) static void __init one_page_table_init(pmd_t *pmd) { if (pmd_none(*pmd)) { - pte_t *pte = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE); + pte_t *pte = (pte_t *) memblock_alloc_low(PAGE_SIZE, + PAGE_SIZE); set_pmd(pmd, __pmd(_KERNPG_TABLE + (unsigned long) __pa(pte))); if (pte != pte_offset_kernel(pmd, 0))
@@ -75,7 +76,7 @@ static void __init one_page_table_init(pmd_t *pmd) static void __init one_md_table_init(pud_t *pud) { #ifdef CONFIG_3_LEVEL_PGTABLES - pmd_t *pmd_table = (pmd_t *) alloc_bootmem_low_pages(PAGE_SIZE); + pmd_t *pmd_table = (pmd_t *) memblock_alloc_low(PAGE_SIZE, PAGE_SIZE); set_pud(pud, __pud(_KERNPG_TABLE + (unsigned long) __pa(pmd_table))); if (pmd_table != pmd_offset(pud, 0)) BUG();
@@ -124,7 +125,7 @@ static void __init fixaddr_user_init( void) return; fixrange_init( FIXADDR_USER_START, FIXADDR_USER_END, swapper_pg_dir); - v = (unsigned long) alloc_bootmem_low_pages(size); + v = (unsigned long) memblock_alloc_low(size, PAGE_SIZE); memcpy((void *) v , (void *) FIXADDR_USER_START, size); p = __pa(v); for ( ; size > 0; size -= PAGE_SIZE, vaddr += PAGE_SIZE,
@@ -143,7 +144,8 @@ void __init paging_init(void) unsigned long zones_size[MAX_NR_ZONES], vaddr; int i; - empty_zero_page = (unsigned long *) alloc_bootmem_low_pages(PAGE_SIZE); + empty_zero_page = (unsigned long *) memblock_alloc_low(PAGE_SIZE, + PAGE_SIZE); for (i = 0; i < ARRAY_SIZE(zones_size); i++) zones_size[i] = 0;
diff --git a/arch/xtensa/mm/mmu.c b/arch/xtensa/mm/mmu.c
index 9d1ecfc..f33a1ff 100644
--- a/arch/xtensa/mm/mmu.c
+++ b/arch/xtensa/mm/mmu.c@@ -31,7 +31,7 @@ static void * __init init_pmd(unsigned long vaddr, unsigned long n_pages) pr_debug("%s: vaddr: 0x%08lx, n_pages: %ld\n", __func__, vaddr, n_pages); - pte = alloc_bootmem_low_pages(n_pages * sizeof(pte_t)); + pte = memblock_alloc_low(n_pages * sizeof(pte_t), PAGE_SIZE); for (i = 0; i < n_pages; ++i) pte_clear(NULL, 0, pte + i);
--
2.7.4