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- 01 Oct, 2008 1 commit
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Russell King authored
Provide helpers for getting physical addresses or pfns from the meminfo array, and use them. Move for_each_nodebank() to asm/setup.h alongside the meminfo structure definition. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 30 Sep, 2008 1 commit
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Russell King authored
The newly introduced sanity_check_meminfo() function should be used to collect all validation of the meminfo array, which we have in bootmem_init(). Move it there. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 06 Sep, 2008 2 commits
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Russell King authored
... some of which are now in linux/*.h headers. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King authored
This quietens some sparse warnings about phys_initrd_start and phys_initrd_size. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 30 Jul, 2008 1 commit
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Russell King authored
Claim the initrd memory exclusively, and order other memory reservations beforehand. This allows us to determine whether the initrd memory was overwritten, and disable the initrd in that case. This avoids a 'bad page state' bug. Tested-by: Ralph Siemsen <ralphs@netwinder.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 24 Jul, 2008 1 commit
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Johannes Weiner authored
free_area_init_node() gets passed in the node id as well as the node descriptor. This is redundant as the function can trivially get the node descriptor itself by means of NODE_DATA() and the node's id. I checked all the users and NODE_DATA() seems to be usable everywhere from where this function is called. Signed-off-by: Johannes Weiner <hannes@saeurebad.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- 19 Apr, 2008 1 commit
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Johannes Weiner authored
Signed-off-by: Johannes Weiner <hannes@saeurebad.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 07 Feb, 2008 1 commit
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Bernhard Walle authored
This patchset adds a flags variable to reserve_bootmem() and uses the BOOTMEM_EXCLUSIVE flag in crashkernel reservation code to detect collisions between crashkernel area and already used memory. This patch: Change the reserve_bootmem() function to accept a new flag BOOTMEM_EXCLUSIVE. If that flag is set, the function returns with -EBUSY if the memory already has been reserved in the past. This is to avoid conflicts. Because that code runs before SMP initialisation, there's no race condition inside reserve_bootmem_core(). [akpm@linux-foundation.org: coding-style fixes] [akpm@linux-foundation.org: fix powerpc build] Signed-off-by: Bernhard Walle <bwalle@suse.de> Cc: <linux-arch@vger.kernel.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- 21 Apr, 2007 1 commit
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Russell King authored
Lots of places in arch/arm were needlessly including linux/ptrace.h, resumably because we used to pass a struct pt_regs to interrupt handlers. Now that we don't, all these ptrace.h includes are redundant. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 24 Jan, 2007 1 commit
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Russell King authored
show_mem() was assuming incorrectly that the mem_map for any node started at PFN 0. This is obviously wrong; fix it to take account of node_start_pfn. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 07 Nov, 2006 1 commit
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Ray Lehtiniemi authored
show_mem() was not correctly handling holes in the memory map. It was treating the freed sections of the map as though they contained valid struct page entries. This could cause incorrect debugging output or even a kernel panic. This patch keeps the struct meminfo around after system initialization so that show_mem() can use it when scanning memory. show_mem() now walks over each bank of each online node, rather than assuming that each node contains a single contiguous bank. Signed-off-by: Ray Lehtiniemi <rayl@mail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 27 Sep, 2006 3 commits
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Russell King authored
Move the MMU specific code from init.c into mmu.c, and add nommu fixups to nommu.c Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King authored
nommu does not require the page table manipulation code in the bootmem initialisation paths. Move this into separate inline functions. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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George G. Davis authored
The ARM XIP_KERNEL map created in devicemaps_init() is wrong. The map.pfn is rounded down to an even 1MiB section boundary which results in va/pa translations errors when XIP_PHYS_ADDR starts on an odd 1MiB boundary and this causes the kernel to hang. This patch fixes ARM XIP_KERNEL translation errors for the odd 1MiB XIP_PHYS_ADDR boundary case. Signed-off-by: George G. Davis <gdavis@mvista.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 20 Sep, 2006 1 commit
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Russell King authored
Move top_pmd into arch/arm/mm/mm.h - nothing outside arch/arm/mm references it. Move the repeated definition of TOP_PTE into mm/mm.h, as well as a few function prototypes. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 30 Jun, 2006 1 commit
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Jörn Engel authored
Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
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- 28 Jun, 2006 1 commit
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Russell King authored
TABLE_SIZE is never used in arch/arm/mm/init.c. create_memmap_holes(), memtable_init, and setup_io_desc() no longer exist in the kernel. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 07 Apr, 2006 1 commit
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Russell King authored
FLUSH_BASE must be visible to arch/arm/mm/init.c in order for the memory region to be setup. Move these definitions from asm-arm/arch-*/hardware.h into asm-arm/arch-*/memory.h where mm stuff can see them. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 22 Mar, 2006 1 commit
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Nick Piggin authored
set_page_count usage outside mm/ is limited to setting the refcount to 1. Remove set_page_count from outside mm/, and replace those users with init_page_count() and set_page_refcounted(). This allows more debug checking, and tighter control on how code is allowed to play around with page->_count. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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- 21 Mar, 2006 1 commit
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Russell King authored
asm/hardware.h is not required for the majority of processor support files, ioremap support, mm initialisation, acorn IO support, nor the debug code (which picks up its machine specific includes via debug-macros.S) Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 17 Nov, 2005 1 commit
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Russell King authored
Document that the VMALLOC_END address must be aligned to 2MB since it must align with a PGD boundary. Allocate the vectors page early so that the flush_cache_all() later will cause any dirty cache lines in the direct mapping will be safely written back. Move the flush_cache_all() to the second local_flush_cache_tlb() and remove the now redundant first local_flush_cache_tlb(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 02 Nov, 2005 1 commit
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Russell King authored
It seems that without the extra tlb flush, we may end up faulting during the early kernel initialisation because the TLB can't see the updated page tables. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 29 Oct, 2005 1 commit
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Nicolas Pitre authored
Patch from Nicolas Pitre Fix XIP support after recent bootmem code refactoring. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 28 Oct, 2005 2 commits
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Deepak Saxena authored
Patch from Deepak Saxena Convert map_desc.physical to map_desc.pfn. This allows us to add support for 36-bit addressed physical devices in the static maps without having to resort to u64 variables. Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King authored
Make ARM independent of the way bootmem operates internally. We now map each node as we initialise it, and place the bootmem bitmap inside each node, rather than all in the first node. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 28 Jun, 2005 1 commit
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Russell King authored
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 27 Jun, 2005 1 commit
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Russell King authored
It doesn't make sense for this to be in mm-armv.c now that 26-bit ARM support is no longer integrated into arch/arm. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 22 Jun, 2005 1 commit
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Russell King authored
Since meminfo.bank[] array contains page-aligned start/size, we no longer need to explicitly round up/down the addresses when converting to PFNs. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 16 Apr, 2005 2 commits
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akpm@osdl.org authored
) From: Russell King <rmk+lkml@arm.linux.org.uk> Oddly, max_low_pfn/max_pfn end up being the number of pages in the system, rather than the maximum PFN on ARM. This doesn't seem to cause any problems, so just add a note about it. Signed-off-by: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Linus Torvalds authored
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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