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* ide: make ide_unregister() take 'ide_hwif_t *' as an argument (take 2)Bartlomiej Zolnierkiewicz2008-04-27
| | | | | | | | | | | | | | | | | * Make ide_unregister() take 'ide_hwif_t *hwif' instead of 'unsigned int index' (hwif->index) as an argument and update all users accordingly. While at it: * Remove unnecessary checks for hwif != NULL from ide-pnp.c::idepnp_remove() and delkin_cb.c::delkin_cb_remove(). * Remove needless hwif->chipset assignment from scc_pata.c::scc_remove(). v2: * Fixup ide_unregister() documentation. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: sanitize ide_unregister() usageBartlomiej Zolnierkiewicz2008-04-27
| | | | | | | | | | | * Remove ide_unregister() call from ide_exit() (host drivers take care of unregistering hwif-s themselves). * Remove ide_unregister() call from probe methods of bast-ide, palm_bk3710, ide-cs and delkin_cb host drivers (ide_find_port() returns only free ide_hwifs[] entries). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* mpc8xx-ide: use ide_find_port()Bartlomiej Zolnierkiewicz2008-04-27
| | | | Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: add "noacpi" / "acpigtf" / "acpionboot" parametersBartlomiej Zolnierkiewicz2008-04-27
| | | | | | | | | | | | * Rename ide_noacpi{tfs,onboot} to ide_acpi{gtf,onboot} (+ reverse logic). * Move ide_*acpi* variables to ide-acpi.c and remove unnecessary initializers. * Add "noacpi" / "acpigtf" / "acpionboot" parameters. * Obsolete "ide=noacpi" / "ide=acpigtf" / "ide=acpionboot" kernel parameters. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* gayle: add "doubler" parameterBartlomiej Zolnierkiewicz2008-04-27
| | | | | | | | | * Add "doubler" parameter to enable support for IDE doublers. * Obsolete "ide=doubler" kernel parameter. Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: add "cdrom=" and "chs=" parametersBartlomiej Zolnierkiewicz2008-04-27
| | | | | | | | * Add "cdrom=" and "chs=" parameters. * Obsolete "hdx=cdrom" and "hdx=cyls,heads,sects" kernel parameters. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: add "nodma|noflush|noprobe|nowerr=" parametersBartlomiej Zolnierkiewicz2008-04-27
| | | | | | | | * Add "nodma|noflush|noprobe|nowerr=" parameters. * Obsolete "hdx=noprobe|none|nowerr|nodma|noflush" kernel parameters. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove obsoleted "hdx=autotune" kernel parameterBartlomiej Zolnierkiewicz2008-04-27
| | | | | | | | | * Remove obsoleted "hdx=autotune" kernel parameter (we always auto-tune PIO if possible nowadays). * Remove no longer needed ide_drive_t.autotune flag. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove IDE_HFLAG_NO_AUTOTUNE host flagBartlomiej Zolnierkiewicz2008-04-27
| | | | | | | | | | | | | * Don't set IDE_HFLAG_NO_AUTOTUNE host flag in sgiioc4 and icside host drivers - there is no need for it as they don't implement ->set_pio_mode method. * Remove no longer needed IDE_HFLAG_NO_AUTOTUNE host flag. There should be no functional changes caused by this patch. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* cmd640: always auto-tune PIOBartlomiej Zolnierkiewicz2008-04-27
| | | | | | | | | | | * Default to tuning PIO0 and disabling prefetch prior to probing devices for CONFIG_BLK_DEV_CMD640_ENHANCED=y case. * Always auto-tune PIO. * Remove no longer used retrieve_drive_counts(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: always auto-tune PIO in legacy VLB host driversBartlomiej Zolnierkiewicz2008-04-27
| | | | Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: mark "idebus=" kernel parameter as obsoleted (take 2)Bartlomiej Zolnierkiewicz2008-04-27
| | | | | | | We have "vlb|pci_clock=" parameters now. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: add "vlb|pci_clock=" parameterBartlomiej Zolnierkiewicz2008-04-27
| | | | | | | | | | | | | | * Add "vlb_clock=" parameter for specifying VLB clock frequency (in MHz). * Add "pci_clock=" parameter for specifying PCI bus clock frequency (in MHz). While at it: * qd65xx.c: rename {active,recovery}_cycle variables to {act,rec}_cyc. Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-tape: remove comments markup from Documentation/ide/ide-tape.txtBorislav Petkov2008-04-27
| | | | | Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-tape: remove pipelined mode description from Documentation/ide/ide-tape.txtBorislav Petkov2008-04-27
| | | | | Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-tape: remove misc references to pipelined operation in the commentsBorislav Petkov2008-04-27
| | | | | Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-tape: remove pipelined mode parametersBorislav Petkov2008-04-27
| | | | | Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-tape: remove pipeline-specific members from struct ide_tape_objBorislav Petkov2008-04-27
| | | | | | | | | | | | Bart: - merge "ide-tape: remove pipeline-specific code from idetape_setup" patch - cleanup __idetape_discard_read_pipeline() - cleanup idetape_empty_write_pipeline() - fix 't' assignment in idetape_setup() - fix idetape_blkdev_ioctl() w.r.t. 'nr_stages' Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-tape: remove pipelined mode tape control flagsBorislav Petkov2008-04-27
| | | | | | | [bart: sync patch with current code and fix idetape_init_read()] Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-tape: remove remaining pipeline functionalityBorislav Petkov2008-04-27
| | | | | | | | | | | | | | | The driver is using now solely its own request queue. - tape->next_stage is always NULL so it is safe to remove all code depending on tape->next_stage != NULL - this patch removes the last place which sets IDETAPE_FLAG_PIPELINE_ACTIVE in tape->flags [bart: add above explanations] Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-tape: unwrap idetape_queue_pc_tail()Borislav Petkov2008-04-27
| | | | | | | | | idetape_queue_pc_tail() is a wrapper for its __idetape_queue_pc_tail() counterpart and has no other functionality. Remove it and call the "wrapped" function directly. Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-tape: remove pipeline-specific code from idetape_end_request()Borislav Petkov2008-04-27
| | | | | | | | | | As a side effect, remove unused idetape_kfree_stage() and idetape_abort_pipeline() [bart: resurrect taking tape->lock + clearing IDETAPE_FLAG_PIPELINE_ACTIVE] Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-tape: remove idetape_remove_stage_head()Borislav Petkov2008-04-27
| | | | | Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-tape: remove idetape_pipeline_size()Borislav Petkov2008-04-27
| | | | | | | | | | | The computation of the block offset of the the tape position (MTIOCPOS, MTIOCGET) is not influenced by the stages queued in the pipeline anymore but by the size of the current buffer which is going to be sent to the drive. [bart: resurrect deleted idetape_wait_for_pipeline() call] Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-tape: remove pipeline-specific code in idetape_space_over_filemarks()Borislav Petkov2008-04-27
| | | | | | | | | | Since we don't do pipeline read-ahead anymore, we don't have to look for filemarks we have crossed. Therefore, remove the code chunk that does that and pass on the command to the tape. As a side effect, remove unused idetape_wait_first_stage(). Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-tape: remove unused parameter from idetape_copy_stage_from_userBorislav Petkov2008-04-27
| | | | | Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-tape: remove unused parameter from idetape_copy_stage_to_userBorislav Petkov2008-04-27
| | | | | Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-tape: remove pipeline-specific code from idetape_add_chrdev_read_request()Borislav Petkov2008-04-27
| | | | | | | | | | | | | | | | | | In order to do away with queueing read requests on the pipeline, several things have to be done: 1. Do not allocate additional pipeline stages in idetape_init_read() until (tape->nr_stages < max_stages) and do only read operation preparations. As a collateral result, idetape_add_stage_tail() becomes unused so remove it. 2. Queue the read request's buffer directly thru idetape_queue_rw_tail(). 3. Remove now unused idetape_kmalloc_stage() and idetape_switch_buffers(). [bart: simplify the original patch] Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-tape remove pipeline speed/control calculationsBorislav Petkov2008-04-27
| | | | | | | | | | | | | | | | | | | | | Pipeline handling calculations in idetape_calculate_speeds() can go since they do not have any effect on other functionality besides: 1. info is only being exported through /proc as a read-only item (controlled_pipeline_head_speed, uncontrolled_pipeline_head_speed) 2. used in idetape_restart_speed_control() which, in turn, is unrelated to other code 3. used only for pipeline frames number accounting (tape->pipeline_head), also unused elsewhere. 4.some variables are: only written to: tape->buffer_head; unused: tape->tape_head, tape->last_tape_head Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-tape: remove pipeline-specific code from idetape_add_chrdev_write_requestBorislav Petkov2008-04-27
| | | | | | | | | | Refrain from adding more write requests to the pipeline and queue them directly on the device's request queue instead. [bart: re-do for minimal behavior changes] Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-tape: remove tape->cache_stageBorislav Petkov2008-04-27
| | | | | | | | | | | Prior to allocating a new pipeline stage, the code checked for the existence of a cached pipeline stage to use. Do away with and stick to normal pipeline stages only. [bart: keep idetape_kmalloc_stage() for now] Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove obsoleted "hdx=noautotune" kernel parameterBartlomiej Zolnierkiewicz2008-04-27
| | | | | | | | | | Remove obsoleted "hdx=noautotune" kernel parameter (it has been obsoleted since 1 Nov 2004). Then make ide_hwif_t.autotune a single bit flag and remove no longer needed IDE_TUNE_* defines. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove obsoleted "idex=" kernel parametersBartlomiej Zolnierkiewicz2008-04-27
| | | | | | | | | * Remove obsoleted "idex=" kernel parameters. * Make probe_* and cmd640_vlb variables static. Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove obsoleted "idex=reset" kernel parameterBartlomiej Zolnierkiewicz2008-04-27
| | | | | | | | | | Remove obsoleted "idex=reset" kernel parameter (it has been obsoleted since 1 Nov 2004). Then remove corresponding code from ide_probe_port() and no longer used ->reset field from ide_hwif_t. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove obsoleted "idex=serialize" kernel parameterBartlomiej Zolnierkiewicz2008-04-27
| | | | | | | Remove obsoleted "idex=serialize" kernel parameter (it has been obsoleted since 1 Nov 2004). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: add "ignore_cable" parameter (take 2)Bartlomiej Zolnierkiewicz2008-04-27
| | | | | | | | | | | | | | | | | | | | | Add "ignore_cable" parameter: * "ide_core.ignore_cable=[interface_number]" boot option if IDE is built-in (i.e. "ide_core.ignore_cable=1" to force ignoring cable for "ide1") * "ignore_cable=[interface_number]" module parameter (for ide_core module) if IDE is compiled as module v2: * Add ide_port_apply_params() helper - use it in ide_device_add_all() and ide_scan_port(). * Make it possible to later disable ignoring cable detection by passing "[interface_number]:0" to /sys/module/ide_core/parameters/ignore_cable (however sysfs interface is not enabled yet since it needs some other IDE changes to make it work reliable). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: fix icside breakageAl Viro2008-04-27
| | | | | | | | Fallout from commit ac95beedf8bc97b24f9540d4da9952f07221c023 Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Merge branch 'for-linus' of ↵Linus Torvalds2008-04-26
|\ | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86-bigbox-bootmem-v3 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86-bigbox-bootmem-v3: x86_64/mm: check and print vmemmap allocation continuous x86_64: fix setup_node_bootmem to support big mem excluding with memmap x86_64: make reserve_bootmem_generic() use new reserve_bootmem() mm: allow reserve_bootmem() cross nodes mm: offset align in alloc_bootmem() mm: fix alloc_bootmem_core to use fast searching for all nodes mm: make mem_map allocation continuous
| * x86_64/mm: check and print vmemmap allocation continuousYinghai Lu2008-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On big systems with lots of memory, don't print out too much during bootup, and make it easy to find if it is continuous. on 256G 8 sockets system will get [ffffe20000000000-ffffe20002bfffff] PMD -> [ffff810001400000-ffff810003ffffff] on node 0 [ffffe2001c700000-ffffe2001c7fffff] potential offnode page_structs [ffffe20002c00000-ffffe2001c7fffff] PMD -> [ffff81000c000000-ffff8100255fffff] on node 0 [ffffe20038700000-ffffe200387fffff] potential offnode page_structs [ffffe2001c800000-ffffe200387fffff] PMD -> [ffff810820200000-ffff81083c1fffff] on node 1 [ffffe20040000000-ffffe2007fffffff] PUD ->ffff811027a00000 on node 2 [ffffe20038800000-ffffe2003fffffff] PMD -> [ffff811020200000-ffff8110279fffff] on node 2 [ffffe20054700000-ffffe200547fffff] potential offnode page_structs [ffffe20040000000-ffffe200547fffff] PMD -> [ffff811027c00000-ffff81103c3fffff] on node 2 [ffffe20070700000-ffffe200707fffff] potential offnode page_structs [ffffe20054800000-ffffe200707fffff] PMD -> [ffff811820200000-ffff81183c1fffff] on node 3 [ffffe20080000000-ffffe200bfffffff] PUD ->ffff81202fa00000 on node 4 [ffffe20070800000-ffffe2007fffffff] PMD -> [ffff812020200000-ffff81202f9fffff] on node 4 [ffffe2008c700000-ffffe2008c7fffff] potential offnode page_structs [ffffe20080000000-ffffe2008c7fffff] PMD -> [ffff81202fc00000-ffff81203c3fffff] on node 4 [ffffe200a8700000-ffffe200a87fffff] potential offnode page_structs [ffffe2008c800000-ffffe200a87fffff] PMD -> [ffff812820200000-ffff81283c1fffff] on node 5 [ffffe200c0000000-ffffe200ffffffff] PUD ->ffff813037a00000 on node 6 [ffffe200a8800000-ffffe200bfffffff] PMD -> [ffff813020200000-ffff8130379fffff] on node 6 [ffffe200c4700000-ffffe200c47fffff] potential offnode page_structs [ffffe200c0000000-ffffe200c47fffff] PMD -> [ffff813037c00000-ffff81303c3fffff] on node 6 [ffffe200c4800000-ffffe200e07fffff] PMD -> [ffff813820200000-ffff81383c1fffff] on node 7 instead of a very long print out... Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86_64: fix setup_node_bootmem to support big mem excluding with memmapYinghai Lu2008-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | typical case: four sockets system, every node has 4g ram, and we are using: memmap=10g$4g to mask out memory on node1 and node2 when numa is enabled, early_node_mem is used to get node_data and node_bootmap. if it can not get memory from the same node with find_e820_area(), it will use alloc_bootmem to get buff from previous nodes. so check it and print out some info about it. need to move early_res_to_bootmem into every setup_node_bootmem. and it takes range that node has. otherwise alloc_bootmem could return addr that reserved early. depends on "mm: make reserve_bootmem can crossed the nodes". Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * x86_64: make reserve_bootmem_generic() use new reserve_bootmem()Yinghai Lu2008-04-26
| | | | | | | | | | | | | | | | | | | | | | | | "mm: make reserve_bootmem can crossed the nodes" provides new reserve_bootmem(), let reserve_bootmem_generic() use that. reserve_bootmem_generic() is used to reserve initramdisk, so this way we can make sure even when bootloader or kexec load ranges cross the node memory boundaries, reserve_bootmem still works. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * mm: allow reserve_bootmem() cross nodesYinghai Lu2008-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | split reserve_bootmem_core() into two functions, one which checks conflicts, and one which sets the bits. and make reserve_bootmem to loop bdata_list to cross the nodes. user could be crashkernel and ramdisk..., in case the range provided by those externalities crosses the nodes. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * mm: offset align in alloc_bootmem()Yinghai Lu2008-04-26
| | | | | | | | | | | | | | | | | | | | | | need offset alignment when node_boot_start's alignment is less than the alignment required. use local node_boot_start to match alignment - so don't add extra operation in search loop. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * mm: fix alloc_bootmem_core to use fast searching for all nodesYinghai Lu2008-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the nodes other than node 0 use bdata->last_success for fast search too. We need to use __alloc_bootmem_core() for vmemmap allocation for other nodes when numa and sparsemem/vmemmap are enabled. Also, make fail_block path increase i with incr only after ALIGN to avoid extra increase when size is larger than align. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * mm: make mem_map allocation continuousYinghai Lu2008-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | vmemmap allocation currently has this layout: [ffffe20000000000-ffffe200001fffff] PMD ->ffff810001400000 on node 0 [ffffe20000200000-ffffe200003fffff] PMD ->ffff810001800000 on node 0 [ffffe20000400000-ffffe200005fffff] PMD ->ffff810001c00000 on node 0 [ffffe20000600000-ffffe200007fffff] PMD ->ffff810002000000 on node 0 [ffffe20000800000-ffffe200009fffff] PMD ->ffff810002400000 on node 0 ... note that there is a 2M hole between them - not optimal. the root cause is that usemap (24 bytes) will be allocated after every 2M mem_map, and it will push next vmemmap (2M) to the next (2M) alignment. solution: try to allocate the mem_map continously. after the patch, we get: [ffffe20000000000-ffffe200001fffff] PMD ->ffff810001400000 on node 0 [ffffe20000200000-ffffe200003fffff] PMD ->ffff810001600000 on node 0 [ffffe20000400000-ffffe200005fffff] PMD ->ffff810001800000 on node 0 [ffffe20000600000-ffffe200007fffff] PMD ->ffff810001a00000 on node 0 [ffffe20000800000-ffffe200009fffff] PMD ->ffff810001c00000 on node 0 ... which is the ideal layout. and usemap will share a page because of they are allocated continuously too: sparse_early_usemap_alloc: usemap = ffff810024e00000 size = 24 sparse_early_usemap_alloc: usemap = ffff810024e00080 size = 24 sparse_early_usemap_alloc: usemap = ffff810024e00100 size = 24 sparse_early_usemap_alloc: usemap = ffff810024e00180 size = 24 ... so we make the bootmem allocation more compact and use less memory for usemap => mission accomplished ;-) Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuildLinus Torvalds2008-04-26
|\ \ | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild: kbuild: scripts/Makefile.modpost typo fix kbuild: soften MODULE_LICENSE check
| * | kbuild: scripts/Makefile.modpost typo fixAdrian Bunk2008-04-26
| | | | | | | | | | | | | | | | | | | | | -EVIUSER ;-) Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * | kbuild: soften MODULE_LICENSE checkSam Ravnborg2008-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | Only modules that has other MODULE_* content shall have the MODULE_LICENSE() tag. This fixes allmodconfig build on my box. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* | | Merge branch 'for-linus' of ↵Linus Torvalds2008-04-26
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-generic-bitops-v3 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-generic-bitops-v3: x86, bitops: select the generic bitmap search functions x86: include/asm-x86/pgalloc.h/bitops.h: checkpatch cleanups - formatting only x86: finalize bitops unification x86, UML: remove x86-specific implementations of find_first_bit x86: optimize find_first_bit for small bitmaps x86: switch 64-bit to generic find_first_bit x86: generic versions of find_first_(zero_)bit, convert i386 bitops: use __fls for fls64 on 64-bit archs generic: implement __fls on all 64-bit archs generic: introduce a generic __fls implementation x86: merge the simple bitops and move them to bitops.h x86, generic: optimize find_next_(zero_)bit for small constant-size bitmaps x86, uml: fix uml with generic find_next_bit for x86 x86: change x86 to use generic find_next_bit uml: Kconfig cleanup uml: fix build error
| * | | x86, bitops: select the generic bitmap search functionsAlexander van Heukelum2008-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Introduce GENERIC_FIND_FIRST_BIT and GENERIC_FIND_NEXT_BIT in lib/Kconfig, defaulting to off. An arch that wants to use the generic implementation now only has to use a select statement to include them. I added an always-y option (X86_CPU) to arch/x86/Kconfig.cpu and used that to select the generic search functions. This way ARCH=um SUBARCH=i386 automatically picks up the change too, and arch/um/Kconfig.i386 can therefore be simplified a bit. ARCH=um SUBARCH=x86_64 does things differently, but still compiles fine. It seems that a "def_bool y" always wins over a "def_bool n"? Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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