Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965262AbbDWKf5 (ORCPT ); Thu, 23 Apr 2015 06:35:57 -0400 Received: from cantor2.suse.de ([195.135.220.15]:49921 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933444AbbDWKdW (ORCPT ); Thu, 23 Apr 2015 06:33:22 -0400 From: Mel Gorman To: Linux-MM Cc: Nathan Zimmer , Dave Hansen , Waiman Long , Scott Norton , Daniel J Blueman , Andrew Morton , LKML , Mel Gorman Subject: [PATCH 04/13] mm: page_alloc: Pass PFN to __free_pages_bootmem Date: Thu, 23 Apr 2015 11:33:07 +0100 Message-Id: <1429785196-7668-5-git-send-email-mgorman@suse.de> X-Mailer: git-send-email 2.3.5 In-Reply-To: <1429785196-7668-1-git-send-email-mgorman@suse.de> References: <1429785196-7668-1-git-send-email-mgorman@suse.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4485 Lines: 126 __free_pages_bootmem prepares a page for release to the buddy allocator and assumes that the struct page is initialised. Parallel initialisation of struct pages defers initialisation and __free_pages_bootmem can be called for struct pages that cannot yet map struct page to PFN. This patch passes PFN to __free_pages_bootmem with no other functional change. Signed-off-by: Mel Gorman --- mm/bootmem.c | 8 ++++---- mm/internal.h | 3 ++- mm/memblock.c | 2 +- mm/nobootmem.c | 4 ++-- mm/page_alloc.c | 3 ++- 5 files changed, 11 insertions(+), 9 deletions(-) diff --git a/mm/bootmem.c b/mm/bootmem.c index 477be696511d..daf956bb4782 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -164,7 +164,7 @@ void __init free_bootmem_late(unsigned long physaddr, unsigned long size) end = PFN_DOWN(physaddr + size); for (; cursor < end; cursor++) { - __free_pages_bootmem(pfn_to_page(cursor), 0); + __free_pages_bootmem(pfn_to_page(cursor), cursor, 0); totalram_pages++; } } @@ -210,7 +210,7 @@ static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata) if (IS_ALIGNED(start, BITS_PER_LONG) && vec == ~0UL) { int order = ilog2(BITS_PER_LONG); - __free_pages_bootmem(pfn_to_page(start), order); + __free_pages_bootmem(pfn_to_page(start), start, order); count += BITS_PER_LONG; start += BITS_PER_LONG; } else { @@ -220,7 +220,7 @@ static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata) while (vec && cur != start) { if (vec & 1) { page = pfn_to_page(cur); - __free_pages_bootmem(page, 0); + __free_pages_bootmem(page, cur, 0); count++; } vec >>= 1; @@ -234,7 +234,7 @@ static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata) pages = bootmem_bootmap_pages(pages); count += pages; while (pages--) - __free_pages_bootmem(page++, 0); + __free_pages_bootmem(page++, cur++, 0); bdebug("nid=%td released=%lx\n", bdata - bootmem_node_data, count); diff --git a/mm/internal.h b/mm/internal.h index a96da5b0029d..76b605139c7a 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -155,7 +155,8 @@ __find_buddy_index(unsigned long page_idx, unsigned int order) } extern int __isolate_free_page(struct page *page, unsigned int order); -extern void __free_pages_bootmem(struct page *page, unsigned int order); +extern void __free_pages_bootmem(struct page *page, unsigned long pfn, + unsigned int order); extern void prep_compound_page(struct page *page, unsigned long order); #ifdef CONFIG_MEMORY_FAILURE extern bool is_free_buddy_page(struct page *page); diff --git a/mm/memblock.c b/mm/memblock.c index e0cc2d174f74..f3e97d8eeb5c 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -1334,7 +1334,7 @@ void __init __memblock_free_late(phys_addr_t base, phys_addr_t size) end = PFN_DOWN(base + size); for (; cursor < end; cursor++) { - __free_pages_bootmem(pfn_to_page(cursor), 0); + __free_pages_bootmem(pfn_to_page(cursor), cursor, 0); totalram_pages++; } } diff --git a/mm/nobootmem.c b/mm/nobootmem.c index 396f9e450dc1..bae652713ee5 100644 --- a/mm/nobootmem.c +++ b/mm/nobootmem.c @@ -77,7 +77,7 @@ void __init free_bootmem_late(unsigned long addr, unsigned long size) end = PFN_DOWN(addr + size); for (; cursor < end; cursor++) { - __free_pages_bootmem(pfn_to_page(cursor), 0); + __free_pages_bootmem(pfn_to_page(cursor), cursor, 0); totalram_pages++; } } @@ -92,7 +92,7 @@ static void __init __free_pages_memory(unsigned long start, unsigned long end) while (start + (1UL << order) > end) order--; - __free_pages_bootmem(pfn_to_page(start), order); + __free_pages_bootmem(pfn_to_page(start), start, order); start += (1UL << order); } diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 2abb3b861e70..0a0e0f280d87 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -886,7 +886,8 @@ static void __free_pages_ok(struct page *page, unsigned int order) local_irq_restore(flags); } -void __init __free_pages_bootmem(struct page *page, unsigned int order) +void __init __free_pages_bootmem(struct page *page, unsigned long pfn, + unsigned int order) { unsigned int nr_pages = 1 << order; struct page *p = page; -- 2.3.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/