On Mon, Jan 18, 2021 at 03:41:26PM +0800, Rokudo Yan wrote:
> In fast_isolate_freepages, high_pfn will be used if a prefered one(PFN >=
> low_fn) not found. But the high_pfn
> is not reset before searching an free area, so when it was used as freepage,
> it may from another free area searched bef
In fast_isolate_freepages, high_pfn will be used if a prefered one(PFN >=
low_fn) not found. But the high_pfn
is not reset before searching an free area, so when it was used as freepage, it
may from another free area searched before.
And move_freelist_head(freelist, freepage) will have unexpected
On Tue, 12 Jan 2021 17:47:20 +0800 Rokudo Yan wrote:
> In fast_isolate_freepages, high_pfn will be used if a prefered one(PFN >=
> low_fn) not found. But the high_pfn
> is not reset before searching an free area, so when it was used as freepage,
> it may from another free area searched before.
On 1/12/21 10:47 AM, Rokudo Yan wrote:
> In fast_isolate_freepages, high_pfn will be used if a prefered one(PFN >=
> low_fn) not found. But the high_pfn
> is not reset before searching an free area, so when it was used as freepage,
> it may from another free area searched before.
> And move_freel
On Tue, Jan 12, 2021 at 05:47:20PM +0800, Rokudo Yan wrote:
> In fast_isolate_freepages, high_pfn will be used if a prefered one(PFN >=
> low_fn) not found. But the high_pfn
> is not reset before searching an free area, so when it was used as freepage,
> it may from another free area searched bef
In fast_isolate_freepages, high_pfn will be used if a prefered one(PFN >=
low_fn) not found. But the high_pfn
is not reset before searching an free area, so when it was used as freepage, it
may from another free area searched before.
And move_freelist_head(freelist, freepage) will have unexpected
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