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-rw-r--r--kernel/kexec_core.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
index 1ae7c41c33c1..20fef1a38602 100644
--- a/kernel/kexec_core.c
+++ b/kernel/kexec_core.c
@@ -301,7 +301,7 @@ static struct page *kimage_alloc_pages(gfp_t gfp_mask, unsigned int order)
{
struct page *pages;
- pages = alloc_pages(gfp_mask, order);
+ pages = alloc_pages(gfp_mask & ~__GFP_ZERO, order);
if (pages) {
unsigned int count, i;
@@ -310,6 +310,13 @@ static struct page *kimage_alloc_pages(gfp_t gfp_mask, unsigned int order)
count = 1 << order;
for (i = 0; i < count; i++)
SetPageReserved(pages + i);
+
+ arch_kexec_post_alloc_pages(page_address(pages), count,
+ gfp_mask);
+
+ if (gfp_mask & __GFP_ZERO)
+ for (i = 0; i < count; i++)
+ clear_highpage(pages + i);
}
return pages;
@@ -321,6 +328,9 @@ static void kimage_free_pages(struct page *page)
order = page_private(page);
count = 1 << order;
+
+ arch_kexec_pre_free_pages(page_address(page), count);
+
for (i = 0; i < count; i++)
ClearPageReserved(page + i);
__free_pages(page, order);