The branch main has been updated by markj:
URL:
https://cgit.FreeBSD.org/src/commit/?id=537f92cd351090c09b178a1749cd1d0326f74dc7
commit 537f92cd351090c09b178a1749cd1d0326f74dc7
Author: Mark Johnston <ma...@freebsd.org>
AuthorDate: 2021-02-22 23:21:49 +0000
Commit: Mark Johnston <ma...@freebsd.org>
CommitDate: 2021-02-22 23:22:51 +0000
uma: Update the comment above startup_alloc() to reflect reality
The scheme used for early slab allocations changed in commit a81c400e75.
Reported by: alc
Reviewed by: alc
MFC after: 1 week
---
sys/vm/uma_core.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/sys/vm/uma_core.c b/sys/vm/uma_core.c
index 0b6e02861785..8cbd1216678a 100644
--- a/sys/vm/uma_core.c
+++ b/sys/vm/uma_core.c
@@ -1642,9 +1642,9 @@ fail:
}
/*
- * This function is intended to be used early on in place of page_alloc() so
- * that we may use the boot time page cache to satisfy allocations before
- * the VM is ready.
+ * This function is intended to be used early on in place of page_alloc(). It
+ * performs contiguous physical memory allocations and uses a bump allocator
for
+ * KVA, so is usable before the kernel map is initialized.
*/
static void *
startup_alloc(uma_zone_t zone, vm_size_t bytes, int domain, uint8_t *pflag,
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