ramdisk ram block device driver · Maintained

Maintainers

• M Jens Axboe <axboe@kernel.dk>

Paths

• F Documentation/admin-guide/blockdev/ramdisk.rst
• F drivers/block/brd.c

Last 30 days

Recent patches

Most-recent 30 patches in this subsystem on linux-block (capped at 30), ordered by date desc.

• DORMANTno replies [PATCH] brd: normalize non-positive max_part before rounding it up
  2026-06-09 · Samuel Moelius <hidden>
• STALE101d [RFC PATCH 1/1] mm: Reduce direct reclaim stalls with RAM-backed swap
  2026-03-03 · Matt Fleming <hidden>
• STALE203d [PATCH] brd: replace simple_strtol with kstrtoul in ramdisk_size
  2025-12-21 · Thorsten Blum <thorsten.blum@linux.dev>
• STALE283d [PATCH RESEND 42/62] init: rename <linux/initrd.h> to <linux/initramfs.h>
  2025-09-14 · Askar Safin <hidden>
• STALE283d [PATCH RESEND 16/62] brd: remove "ramdisk_size" command line parameter
  2025-09-13 · Askar Safin <hidden>
• STALE283d [PATCH RESEND 15/62] doc: modernize Documentation/admin-guide/blockdev/ramdisk.rst
  2025-09-13 · Askar Safin <hidden>
• STALE283d [PATCH RESEND 06/62] arm: init: remove special logic for setting brd.rd_size
  2025-09-13 · Askar Safin <hidden>
• STALE283d [PATCH RESEND 05/62] init: remove "ramdisk_start" command line parameter, which controls starting block number of initrd
  2025-09-13 · Askar Safin <hidden>
• STALE321d LANDED [PATCH v3] brd: use page reference to protect page lifetime
  2025-08-11 · Yu Kuai <hidden>
• STALE343d [PATCH v2] brd: use page reference to protect page lifetime
  2025-07-29 · Yu Kuai <hidden>
• STALE356d [PATCH] brd: use page reference to protect page lifetime
  2025-07-29 · Yu Kuai <hidden>
• STALE383d LANDED: 4 (4M) [PATCH v2] brd: fix sleeping function called from invalid context in brd_insert_page()
  2025-06-30 · Yu Kuai <hidden>
• STALE385d [PATCH] brd: fix leeping function called from invalid context in brd_insert_page()
  2025-06-28 · Yu Kuai <hidden>
• STALE385d [PATCH] brd: fix leeping function called from invalid context in brd_insert_page()
  2025-06-28 · Yu Kuai <hidden>
• STALE431d LANDED [PATCH v2] brd: avoid extra xarray lookups on first write
  2025-05-07 · Christoph Hellwig <hch@lst.de>
• DORMANTno replies Re: [PATCH] brd: avoid extra xarray lookups on first write
  2025-05-07 · Yu Kuai <hidden>
• STALE439d [PATCH] brd: avoid extra xarray lookups on first write
  2025-05-06 · Christoph Hellwig <hch@lst.de>
• STALE439d LANDED: 4 (4M) [PATCH v3 for-6.16/block 2/3] brd: fix aligned_sector from brd_do_discard()
  2025-05-06 · Yu Kuai <hidden>
• STALE439d LANDED: 4 (4M) [PATCH v3 for-6.16/block 3/3] brd: fix discard end sector
  2025-05-06 · Yu Kuai <hidden>
• STALE439d LANDED [PATCH v3 for-6.16/block 1/3] brd: protect page with rcu
  2025-05-06 · Yu Kuai <hidden>
• STALE446d LANDED: 3 (2M) [PATCH 5/5] brd: use memcpy_{to,from]_page in brd_rw_bvec
  2025-04-28 · Christoph Hellwig <hch@lst.de>
• STALE446d LANDED: 3 (2M) [PATCH 4/5] brd: split I/O at page boundaries
  2025-04-28 · Christoph Hellwig <hch@lst.de>
• STALE446d LANDED: 3 (2M) [PATCH 3/5] brd: use bvec_kmap_local in brd_do_bvec
  2025-04-28 · Christoph Hellwig <hch@lst.de>
• STALE446d LANDED: 3 (2M) [PATCH 2/5] brd: remove the sector variable in brd_submit_bio
  2025-04-28 · Christoph Hellwig <hch@lst.de>
• STALE446d LANDED: 3 (2M) [PATCH 1/5] brd: pass a bvec pointer to brd_do_bvec
  2025-04-28 · Christoph Hellwig <hch@lst.de>
• STALE447d REVIEWED: 4 (4M) [PATCH v2 3/3] brd: fix discard end sector
  2025-04-27 · Yu Kuai <hidden>
• STALE447d REVIEWED: 4 (4M) [PATCH v2 2/3] brd: fix aligned_sector from brd_do_discard()
  2025-04-27 · Yu Kuai <hidden>
• STALE447d [PATCH v2 1/3] brd: protect page with rcu
  2025-04-27 · Yu Kuai <hidden>
• STALE448d [PATCH 5/5] brd: use memcpy_{to,from]_page in brd_rw_bvec
  2025-04-21 · Christoph Hellwig <hch@lst.de>
• STALE448d [PATCH 4/5] brd: split I/O at page boundaries
  2025-04-21 · Christoph Hellwig <hch@lst.de>

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• DORMANTno replies [PATCH] brd: normalize non-positive max_part before rounding it up
  2026-06-09 · Samuel Moelius <hidden>