Function report |
Source Code:kernel\cgroup\cpuset.c |
Create Date:2022-07-28 11:16:43 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Handle user request to change the 'mems' memory placement* of a cpuset
Proto:static int update_nodemask(struct cpuset *cs, struct cpuset *trialcs, const char *buf)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct cpuset * | cs | |
struct cpuset * | trialcs | |
const char * | buf |
1771 | If cs == top_cpuset Then |
1782 | If Not buf Then |
1783 | nodes_clear(mems_allowed) |
1784 | Else |
1785 | retval = nodelist_parse(buf, mems_allowed) |
1789 | If Not nodes_subset(mems_allowed, mems_allowed) Then |
1796 | If nodes_equal(mems_allowed, mems_allowed) Then |
1800 | retval = validate_change() - Used to validate that any proposed cpuset change* follows the structural rules for cpusets |
1804 | spin_lock_irq( & callback_lock) |
1805 | mems_allowed = mems_allowed |
1806 | spin_unlock_irq( & callback_lock) |
1810 | done : |
1811 | Return retval |
Name | Describe |
---|---|
cpuset_write_resmask | Common handling for a write to a "cpus" or "mems" file. |
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