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fs/select: replace __get_free_page() with kmalloc()

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poll_get_entry() allocates new memory for poll_table entries using
__get_free_page().

kmalloc() is a better API for such use and it also provides better
scalability and more debugging possibilities.

Replace use of __get_free_page() with kmalloc().

Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Link: https://patch.msgid.link/20260523-b4-fs-v1-13-275e36a83f0e@kernel.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
This commit is contained in:
Mike Rapoport (Microsoft) 2026-05-23 20:54:25 +03:00 committed by Christian Brauner
parent 3db329857c
commit cf080236f3
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1 changed files with 2 additions and 2 deletions
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fs/select.c
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@ -150,7 +150,7 @@ void poll_freewait(struct poll_wqueues *pwq)
} while (entry > p->entries);
old = p;
p = p->next;
free_page((unsigned long) old);
kfree(old);
}
}
EXPORT_SYMBOL(poll_freewait);
@ -165,7 +165,7 @@ static struct poll_table_entry *poll_get_entry(struct poll_wqueues *p)
if (!table || POLL_TABLE_FULL(table)) {
struct poll_table_page *new_table;
new_table = (struct poll_table_page *) __get_free_page(GFP_KERNEL);
new_table = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (!new_table) {
p->error = -ENOMEM;
return NULL;