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In the DAMON, the minimum wait time of the schemes decides whether the kernel wakes up 'kdamon_fn()'. But since the minimum wait time is initialized to zero, there are corner cases against the original objective. For example, if we have several schemes for one target, and if the wait time of the first scheme is zero, the minimum wait time will set zero, which means 'kdamond_fn()' should wake up to apply this scheme. However, in the following scheme, wait time can be set to non-zero. Thus, the mininum wait time will be set to non-zero, which can cause sleeping this interval for 'kdamon_fn()' due to one deactivated last scheme. This commit prevents making DAMON monitoring inactive state due to other deactivated schemes. Link: https://lkml.kernel.org/r/20220330105302.32114-1-tome01@ajou.ac.kr Signed-off-by: Jonghyeon Kim <tome01@ajou.ac.kr> Reviewed-by: SeongJae Park <sj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| .. | ||
| core-test.h | ||
| core.c | ||
| dbgfs-test.h | ||
| dbgfs.c | ||
| Kconfig | ||
| Makefile | ||
| ops-common.c | ||
| ops-common.h | ||
| paddr.c | ||
| reclaim.c | ||
| sysfs.c | ||
| vaddr-test.h | ||
| vaddr.c | ||