On 24/05/2021 11:10, Penny Zheng wrote:
Hi Julien
Hi Penny,
+if ( !pg )
+return NULL;
+
+for ( i = 0; i < nr_pfns; i++)
+{
+/*
+ * Reference count must continuously be zero for free pages
+ * of static memory(PGC_reserved).
+ */
+
Hi Julien
> -Original Message-
> From: Penny Zheng
> Sent: Wednesday, May 19, 2021 1:24 PM
> To: Julien Grall ; xen-devel@lists.xenproject.org;
> sstabell...@kernel.org
> Cc: Bertrand Marquis ; Wei Chen
> ; nd
> Subject: RE: [PATCH 05/10] xen/arm: introduce alloc
Hi Julien
> -Original Message-
> From: Julien Grall
> Sent: Tuesday, May 18, 2021 6:15 PM
> To: Penny Zheng ; xen-devel@lists.xenproject.org;
> sstabell...@kernel.org
> Cc: Bertrand Marquis ; Wei Chen
> ; nd
> Subject: Re: [PATCH 05/10] xen/arm: introduce alloc
Hi Penny,
On 18/05/2021 06:21, Penny Zheng wrote:
alloc_staticmem_pages is designated to allocate nr_pfns contiguous
pages of static memory. And it is the equivalent of alloc_heap_pages
for static memory.
This commit only covers allocating at specified starting address.
For each page, it shall
Hi Jan,
On 18/05/2021 08:24, Jan Beulich wrote:
On 18.05.2021 07:21, Penny Zheng wrote:
+ * to PGC_state_inuse.
+ */
+pg[i].count_info = (pg[i].count_info & PGC_reserved) | PGC_state_inuse;
+/* Initialise fields which have other uses for free pages. */
+p
Hi Jan
> -Original Message-
> From: Jan Beulich
> Sent: Tuesday, May 18, 2021 3:24 PM
> To: Penny Zheng
> Cc: Bertrand Marquis ; Wei Chen
> ; nd ; xen-devel@lists.xenproject.org;
> sstabell...@kernel.org; jul...@xen.org
> Subject: Re: [PATCH 0
On 18.05.2021 07:21, Penny Zheng wrote:
> alloc_staticmem_pages is designated to allocate nr_pfns contiguous
> pages of static memory. And it is the equivalent of alloc_heap_pages
> for static memory.
> This commit only covers allocating at specified starting address.
>
> For each page, it shall c
alloc_staticmem_pages is designated to allocate nr_pfns contiguous
pages of static memory. And it is the equivalent of alloc_heap_pages
for static memory.
This commit only covers allocating at specified starting address.
For each page, it shall check if the page is reserved
(PGC_reserved) and free
