On Fri, 24 Jan 2020 17:35:41 -0800 Matthew Wilcox wrote:
> From: "Matthew Wilcox (Oracle)"
>
> This series adds a readahead address_space operation to eventually
> replace the readpages operation. The key difference is that
> pages are added to the page cache as they are allocated (and
> then
On Tue, 14 Apr 2020 08:02:13 -0700 Matthew Wilcox wrote:
> From: "Matthew Wilcox (Oracle)"
>
> Filesystems which implement the upcoming ->readahead method will get
> their pages by calling readahead_page() or readahead_page_batch().
> These functions support large pages, even though none of the
On Tue, 14 Apr 2020 19:18:08 -0700 Matthew Wilcox wrote:
> On Tue, Apr 14, 2020 at 06:17:05PM -0700, Andrew Morton wrote:
> > On Tue, 14 Apr 2020 08:02:13 -0700 Matthew Wilcox
> > wrote:
> > > From: "Matthew Wilcox (Oracle)"
> > >
> > >
On Tue, 14 Apr 2020 08:02:27 -0700 Matthew Wilcox wrote:
>
> Use the new readahead operation in erofs.
>
Well this is exciting.
fs/erofs/data.c: In function erofs_raw_access_readahead:
fs/erofs/data.c:149:18: warning: last_block may be used uninitialized in this
function [-Wmaybe-uninitializ
On Tue, 7 Nov 2023 21:26:40 + "Matthew Wilcox (Oracle)"
wrote:
> Instead of unmapping the folio after copying the data to it, then mapping
> it again to zero the tail, provide folio_zero_tail() to zero the tail
> of an already-mapped folio.
>
> ...
>
> --- a/include/linux/highmem.h
> +++ b
On Thu, 9 Nov 2023 01:12:15 +0100 Andreas Grünbacher
wrote:
> Andrew,
>
> Andrew Morton schrieb am Do., 9. Nov. 2023, 00:06:
> > > +
> > > + if (folio_test_highmem(folio)) {
> > > + size_t max = PAGE_SIZE - offset_in_page(offset);
> >
On Mon, 16 Jun 2025 20:33:19 +0100 Lorenzo Stoakes
wrote:
> I am basing this on the mm-new branch in Andrew's tree, so let me know if I
> should rebase anything here. Given the mm bits touched I did think perhaps
> we should take it through the mm tree, however it may be more sensible to
> take
