diff options
| author | Elijah Wright <git@elijahs.space> | 2025-06-10 15:56:28 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-07-09 22:57:50 -0700 |
| commit | 0ba5a25ad1c951fa25baa8c30a526b647ab50d47 (patch) | |
| tree | 218b7c163d910788e12195865686462e612fb7c1 | |
| parent | f7b0ff2bc91d8bb2ba9fdb182da39dd9733b1c50 (diff) | |
kernel: relay: use __GFP_ZERO in relay_alloc_buf
Passing the __GFP_ZERO flag to alloc_page should result in less overhead
th= an using memset()
Link: https://lkml.kernel.org/r/20250610225639.314970-3-git@elijahs.space
Signed-off-by: Elijah Wright <git@elijahs.space>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | kernel/relay.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/relay.c b/kernel/relay.c index c0c93a04d4ce..3ee5b038d0d9 100644 --- a/kernel/relay.c +++ b/kernel/relay.c @@ -118,7 +118,7 @@ static void *relay_alloc_buf(struct rchan_buf *buf, size_t *size) return NULL; for (i = 0; i < n_pages; i++) { - buf->page_array[i] = alloc_page(GFP_KERNEL); + buf->page_array[i] = alloc_page(GFP_KERNEL | __GFP_ZERO); if (unlikely(!buf->page_array[i])) goto depopulate; set_page_private(buf->page_array[i], (unsigned long)buf); @@ -127,7 +127,6 @@ static void *relay_alloc_buf(struct rchan_buf *buf, size_t *size) if (!mem) goto depopulate; - memset(mem, 0, *size); buf->page_count = n_pages; return mem; |