lkml.org 
[lkml]   [2022]   [May]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] XArray: handle XA_FLAGS_ACCOUNT in xas_split_alloc
On Wed, May 25, 2022 at 11:26:37AM +0300, Vasily Averin wrote:
> Commit 7b785645e8f1 ("mm: fix page cache convergence regression")
> added support of new XA_FLAGS_ACCOUNT flag into all Xarray allocation
> functions. Later commit 8fc75643c5e1 ("XArray: add xas_split")
> introduced xas_split_alloc() but missed about XA_FLAGS_ACCOUNT
> processing.

Thanks, Vasily.

Johannes, Shakeel, is this right? I don't fully understand the accounting
stuff.

> Signed-off-by: Vasily Averin <vvs@openvz.org>
> ---
> lib/xarray.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/lib/xarray.c b/lib/xarray.c
> index 54e646e8e6ee..5f5b42e6f842 100644
> --- a/lib/xarray.c
> +++ b/lib/xarray.c
> @@ -1013,6 +1013,8 @@ void xas_split_alloc(struct xa_state *xas, void *entry, unsigned int order,
> if (xas->xa_shift + XA_CHUNK_SHIFT > order)
> return;
>
> + if (xas->xa->xa_flags & XA_FLAGS_ACCOUNT)
> + gfp |= __GFP_ACCOUNT;
> do {
> unsigned int i;
> void *sibling = NULL;
> --
> 2.31.1
>

\
 
 \ /
  Last update: 2022-05-27 03:23    [W:0.081 / U:0.120 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site