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mm: Protect readahead size from init

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Change-Id: I1f105969bcdd756cd68e8692fb3419aa72b07b5e
Signed-off-by: Richard Raya <rdxzv.dev@gmail.com>
This commit is contained in:
Richard Raya 2024-12-08 10:38:22 -03:00
parent 58d4ee9072
commit 42095c444c
1 changed files with 3 additions and 0 deletions
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3
block/blk-sysfs.c
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@ -106,6 +106,9 @@ queue_ra_store(struct request_queue *q, const char *page, size_t count)
if (ret < 0)
return ret;
if (!strcmp(current->comm, "init"))
ra_kb = VM_MAX_READAHEAD;
q->backing_dev_info->ra_pages = ra_kb >> (PAGE_SHIFT - 10);
return ret;