Re: [PATCH v2 2/2] xarray: honor XA_FLAGS_ACCOUNT in xas_split_alloc()
Johannes Weiner <[email protected]>
| Newsgroups | org.kvack.linux-mm,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On Thu, Jul 30, 2026 at 10:18:01PM -0400, Zi Yan wrote:
> XArray operations that allocate xa_nodes, such as xas_nomem() and
> xas_alloc(), add __GFP_ACCOUNT when the array has XA_FLAGS_ACCOUNT set.
> This charges the allocated memory and avoids the workingset convergence
> issue described by commit 7b785645e8f13 ("mm: fix page cache convergence
> regression").
>
> xas_split_alloc() does not have that flag. Add it when necessary.
>
> Fixes: 6b24ca4a1a8d4 ("mm: Use multi-index entries in the page cache")
> Signed-off-by: Zi Yan <[email protected]>
Acked-by: Johannes Weiner <[email protected]>