Eric W. Biederman wrote:
Amerigo Wang <amwang@xxxxxxxxxx> writes:+ + start = roundup(start, PAGE_SIZE); + end = roundup(start + new_size, PAGE_SIZE); + + for (addr = end; addr < crashk_res.end; addr += PAGE_SIZE) { + ClearPageReserved(pfn_to_page(addr >> PAGE_SHIFT)); + init_page_count(pfn_to_page(addr >> PAGE_SHIFT)); + free_page((unsigned long)__va(addr)); + totalram_pages++;Any chance we can move this inline snippet into a helper function in -mm. To expose what is happening here to the mm developers.
Yes, I believe so. In fact I also wanted to do this, but I forgot before I sent these patches... Will do it in the next version.
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