v2
2026-10-29
修复非阻塞分配保留页访问 · v2
缩小 __GFP_NORETRY 等非阻塞请求可物理占用 highatomic reserve 的范围,避免错误消耗高原子保留页并影响后续分配。
原始补丁链接
子 Patch(2)
1/2
mm: page_alloc: do not give all non-blocking requests reserve access
On Wed, Oct 28, 2026 at 11:19:08AM -0400, Johannes Weiner wrote: > On Tue, Oct 27, 2026 at 03:00:02PM +0000, Salvatore Dipietro wrote: > > > > Hi Johannes, > > > > Vlastimil asked that v6 of my page
2/2
mm: page_alloc: remove ALLOC_NON_BLOCK from ALLOC_RESERVES
On Wed, Oct 28, 2026 at 01:15:54PM -0400, Johannes Weiner wrote: > 1ebbb21811b7 (“mm/page_alloc: explicitly define how __GFP_HIGH > non-blocking allocations accesses reserves”) stopped handing out > r