The patch titled Subject: mm: change __remove_pages() to call release_mem_region_adjustable() has been removed from the -mm tree. Its filename was mm-change-__remove_pages-to-call-release_mem_region_adjustable.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Toshi Kani <toshi.kani@xxxxxx> Subject: mm: change __remove_pages() to call release_mem_region_adjustable() Chang __remove_pages() to call release_mem_region_adjustable(). This allows a requested memory range to be released from the iomem_resource table even if it does not match exactly to an resource entry but still fits into. The resource entries initialized at bootup usually cover the whole contiguous memory ranges and may not necessarily match with the size of memory hot-delete requests. If release_mem_region_adjustable() failed, __remove_pages() emits a warning message and continues to proceed as it was the case with release_mem_region(). release_mem_region(), which is defined to __release_region(), emits a warning message and returns no error since a void function. Signed-off-by: Toshi Kani <toshi.kani@xxxxxx> Reviewed-by : Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx> Acked-by: David Rientjes <rientjes@xxxxxxxxxx> Cc: Ram Pai <linuxram@xxxxxxxxxx> Cc: T Makphaibulchoke <tmac@xxxxxx> Cc: Wen Congyang <wency@xxxxxxxxxxxxxx> Cc: Tang Chen <tangchen@xxxxxxxxxxxxxx> Cc: Jiang Liu <jiang.liu@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/memory_hotplug.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff -puN mm/memory_hotplug.c~mm-change-__remove_pages-to-call-release_mem_region_adjustable mm/memory_hotplug.c --- a/mm/memory_hotplug.c~mm-change-__remove_pages-to-call-release_mem_region_adjustable +++ a/mm/memory_hotplug.c @@ -705,8 +705,10 @@ EXPORT_SYMBOL_GPL(__add_pages); int __remove_pages(struct zone *zone, unsigned long phys_start_pfn, unsigned long nr_pages) { - unsigned long i, ret = 0; + unsigned long i; int sections_to_remove; + resource_size_t start, size; + int ret = 0; /* * We can only remove entire sections @@ -714,7 +716,12 @@ int __remove_pages(struct zone *zone, un BUG_ON(phys_start_pfn & ~PAGE_SECTION_MASK); BUG_ON(nr_pages % PAGES_PER_SECTION); - release_mem_region(phys_start_pfn << PAGE_SHIFT, nr_pages * PAGE_SIZE); + start = phys_start_pfn << PAGE_SHIFT; + size = nr_pages * PAGE_SIZE; + ret = release_mem_region_adjustable(&iomem_resource, start, size); + if (ret) + pr_warn("Unable to release resource <%016llx-%016llx> (%d)\n", + start, start + size - 1, ret); sections_to_remove = nr_pages / PAGES_PER_SECTION; for (i = 0; i < sections_to_remove; i++) { _ Patches currently in -mm which might be from toshi.kani@xxxxxx are origin.patch linux-next.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html