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keystone-driver: linux 6.8 support #441

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merged 1 commit into from
May 1, 2024
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keystone-driver: linux 6.8 support #441

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5 changes: 5 additions & 0 deletions linux-keystone-driver/keystone-page.c
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@
#include <linux/kernel.h>
#include "keystone.h"
#include <linux/dma-mapping.h>
#include <linux/version.h>

/* Destroy all memory associated with an EPM */
int epm_destroy(struct epm* epm) {
Expand Down Expand Up @@ -40,7 +41,11 @@ int epm_init(struct epm* epm, unsigned int min_pages)
count = 0x1 << order;

/* prevent kernel from complaining about an invalid argument */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 8, 0)
if (order < MAX_PAGE_ORDER)
#else
if (order < MAX_ORDER)
#endif
epm_vaddr = (vaddr_t) __get_free_pages(GFP_HIGHUSER, order);

#ifdef CONFIG_CMA
Expand Down
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