/************************************************************************** * * Copyright (c) 2006-2009 VMware, Inc., Palo Alto, CA., USA * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. * **************************************************************************/ #ifndef TTM_MEMORY_H #define TTM_MEMORY_H #include <linux/workqueue.h> #include <linux/spinlock.h> #include <linux/bug.h> #include <linux/wait.h> #include <linux/errno.h> #include <linux/kobject.h> #include <linux/mm.h> /** * struct ttm_mem_shrink - callback to shrink TTM memory usage. * * @do_shrink: The callback function. * * Arguments to the do_shrink functions are intended to be passed using * inheritance. That is, the argument class derives from struct ttm_mem_shrink, * and can be accessed using container_of(). */ struct ttm_mem_shrink { int (*do_shrink) (struct ttm_mem_shrink *); }; /** * struct ttm_mem_global - Global memory accounting structure. * * @shrink: A single callback to shrink TTM memory usage. Extend this * to a linked list to be able to handle multiple callbacks when needed. * @swap_queue: A workqueue to handle shrinking in low memory situations. We * need a separate workqueue since it will spend a lot of time waiting * for the GPU, and this will otherwise block other workqueue tasks(?) * At this point we use only a single-threaded workqueue. * @work: The workqueue callback for the shrink queue. * @lock: Lock to protect the @shrink - and the memory accounting members, * that is, essentially the whole structure with some exceptions. * @zones: Array of pointers to accounting zones. * @num_zones: Number of populated entries in the @zones array. * @zone_kernel: Pointer to the kernel zone. * @zone_highmem: Pointer to the highmem zone if there is one. * @zone_dma32: Pointer to the dma32 zone if there is one. * * Note that this structure is not per device. It should be global for all * graphics devices. */ #define TTM_MEM_MAX_ZONES 2 struct ttm_mem_zone; struct ttm_mem_global { struct kobject kobj; struct ttm_mem_shrink *shrink; struct workqueue_struct *swap_queue; struct work_struct work; spinlock_t lock; struct ttm_mem_zone *zones[TTM_MEM_MAX_ZONES]; unsigned int num_zones; struct ttm_mem_zone *zone_kernel; #ifdef CONFIG_HIGHMEM struct ttm_mem_zone *zone_highmem; #else struct ttm_mem_zone *zone_dma32; #endif }; /** * ttm_mem_init_shrink - initialize a struct ttm_mem_shrink object * * @shrink: The object to initialize. * @func: The callback function. */ static inline void ttm_mem_init_shrink(struct ttm_mem_shrink *shrink, int (*func) (struct ttm_mem_shrink *)) { shrink->do_shrink = func; } /** * ttm_mem_register_shrink - register a struct ttm_mem_shrink object. * * @glob: The struct ttm_mem_global object to register with. * @shrink: An initialized struct ttm_mem_shrink object to register. * * Returns: * -EBUSY: There's already a callback registered. (May change). */ static inline int ttm_mem_register_shrink(struct ttm_mem_global *glob, struct ttm_mem_shrink *shrink) { spin_lock(&glob->lock); if (glob->shrink != NULL) { spin_unlock(&glob->lock); return -EBUSY; } glob->shrink = shrink; spin_unlock(&glob->lock); return 0; } /** * ttm_mem_unregister_shrink - unregister a struct ttm_mem_shrink object. * * @glob: The struct ttm_mem_global object to unregister from. * @shrink: A previously registert struct ttm_mem_shrink object. * */ static inline void ttm_mem_unregister_shrink(struct ttm_mem_global *glob, struct ttm_mem_shrink *shrink) { spin_lock(&glob->lock); BUG_ON(glob->shrink != shrink); glob->shrink = NULL; spin_unlock(&glob->lock); } extern int ttm_mem_global_init(struct ttm_mem_global *glob); extern void ttm_mem_global_release(struct ttm_mem_global *glob); extern int ttm_mem_global_alloc(struct ttm_mem_global *glob, uint64_t memory, bool no_wait, bool interruptible); extern void ttm_mem_global_free(struct ttm_mem_global *glob, uint64_t amount); extern int ttm_mem_global_alloc_page(struct ttm_mem_global *glob, struct page *page, bool no_wait, bool interruptible); extern void ttm_mem_global_free_page(struct ttm_mem_global *glob, struct page *page); extern size_t ttm_round_pot(size_t size); extern uint64_t ttm_get_kernel_zone_memory_size(struct ttm_mem_global *glob); #endif e8763181363ef703e'>include/net/inet_sock.h</a></td></tr> <tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/net/inet_sock.h?id=24b86839fab8e8059d2b16e0067dc86a1a0d3514'>24b86839fab8e8059d2b16e0067dc86a1a0d3514</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/net/inet_sock.h?id=095cbe66973771fecd8e8b1e8763181363ef703e&id2=24b86839fab8e8059d2b16e0067dc86a1a0d3514'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/net/inet_sock.h?id=020eb3daaba2857b32c4cf4c82f503d6a00a67de'>020eb3daaba2857b32c4cf4c82f503d6a00a67de</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/net/inet_sock.h?id=095cbe66973771fecd8e8b1e8763181363ef703e&id2=020eb3daaba2857b32c4cf4c82f503d6a00a67de'>diff</a>)</td></tr></table> <div class='commit-subject'>Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip</div><div class='commit-msg'>Pull x86 fix from Thomas Gleixner: "Restore the retrigger callbacks in the IO APIC irq chips. That addresses a long standing regression which got introduced with the rewrite of the x86 irq subsystem two years ago and went unnoticed so far" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/ioapic: Restore IO-APIC irq_chip retrigger callback </div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=095cbe66973771fecd8e8b1e8763181363ef703e'>Diffstat</a> (limited to 'include/net/inet_sock.h')</div><table summary='diffstat' class='diffstat'>