On Tue, Aug 05, 2025 at 06:31:54PM +0100, Lorenzo Stoakes wrote: > We have added new functionality to mremap() in Linux 6.17, permitting the > move of multiple VMAs when performing a move alone (that is - providing > MREMAP_MAYMOVE | MREMAP_FIXED flags and specifying old_size == new_size). > > We document this new feature. > > Additionally, we document previously undocumented behaviour around > shrinking of input VMA ranges which permits the input range to span > multiple VMAs. > > v4: > * Update description of newly discovered mremap() behaviour to highlight the > fact that, if in-place, [old_address, old_address + new_length) may span > multiple VMAs also. > * Fix up commit message for 2/2 to correct typo on specified range. > * Added code sample to 1/2 as per Alejandro. > > v3: > * Use more precise language around mremap() move description as per Jann. > * Fix some typos in commit messages. > https://lore.kernel.org/all/cover.1753795807.git.lorenzo.stoakes@xxxxxxxxxx/ > > v2: > * Split out the two man page changes as requested by Alejandro. > https://lore.kernel.org/all/cover.1753711160.git.lorenzo.stoakes@xxxxxxxxxx/ > > v1: > https://lore.kernel.org/all/20250723174634.75054-1-lorenzo.stoakes@xxxxxxxxxx/ > > Lorenzo Stoakes (2): > man/man2/mremap.2: describe multiple mapping move > man/man2/mremap.2: describe previously undocumented shrink behaviour > > man/man2/mremap.2 | 111 +++++++++++++++++++++++++++++++++++++++++----- > 1 file changed, 100 insertions(+), 11 deletions(-) > > -- > 2.50.1 Hey Alejandro, Just wondering if this has everything you need, let me know if there's anything I need to do here! Cheers, Lorenzo
