nommu.c (48a7afe314bfc4d7f50e1608632f503dbba7e013) nommu.c (1eeb66a1bb973534dc3d064920a5ca683823372e)
1/*
2 * linux/mm/nommu.c
3 *
4 * Replacement code for mm functions to support CPU's that don't
5 * have any form of memory management unit (thus no virtual memory).
6 *
7 * See Documentation/nommu-mmap.txt
8 *

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257}
258
259void vunmap(void *addr)
260{
261 BUG();
262}
263
264/*
1/*
2 * linux/mm/nommu.c
3 *
4 * Replacement code for mm functions to support CPU's that don't
5 * have any form of memory management unit (thus no virtual memory).
6 *
7 * See Documentation/nommu-mmap.txt
8 *

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257}
258
259void vunmap(void *addr)
260{
261 BUG();
262}
263
264/*
265 * Implement a stub for vmalloc_sync_all() if the architecture chose not to
266 * have one.
267 */
268void __attribute__((weak)) vmalloc_sync_all(void)
269{
270}
271
272/*
265 * sys_brk() for the most part doesn't need the global kernel
266 * lock, except when an application is doing something nasty
267 * like trying to un-brk an area that has already been mapped
268 * to a regular file. in this case, the unmapping will need
269 * to invoke file system routines that need the global lock.
270 */
271asmlinkage unsigned long sys_brk(unsigned long brk)
272{

--- 1105 unchanged lines hidden --- 		273 * sys_brk() for the most part doesn't need the global kernel
274 * lock, except when an application is doing something nasty
275 * like trying to un-brk an area that has already been mapped
276 * to a regular file. in this case, the unmapping will need
277 * to invoke file system routines that need the global lock.
278 */
279asmlinkage unsigned long sys_brk(unsigned long brk)
280{

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