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qcacmn: Use qdf_nbuf_page_frag_alloc() for WBUFF SKBs

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Since SKBs allocated from the WBUFF module are reusable SKBs, allocate
them using qdf_nbuf_page_frag_alloc() to have memory savings and also
to avoid memory fragmentation issues.

Change-Id: Icecf4f6de0842a8c767217281984c4ef25e9b9be
CRs-Fixed: 3559261
This commit is contained in:
Manikanta Pubbisetty
2023-06-27 16:19:58 +05:30
committed by Rahul Choudhary
parent d621993b84
commit 621c2d72b8
2 changed files with 4 additions and 1 deletions
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2
wbuff/src/i_wbuff.h
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@@ -81,9 +81,11 @@ struct wbuff_module {
* struct wbuff_holder - allocation holder for wbuff * struct wbuff_holder - allocation holder for wbuff
* @initialized: to identified whether module is initialized * @initialized: to identified whether module is initialized
* @mod: list of modules * @mod: list of modules
* @pf_cache: Reference to page frag cache, used for nbuf allocations
*/ */
struct wbuff_holder { struct wbuff_holder {
bool initialized; bool initialized;
struct wbuff_module mod[WBUFF_MAX_MODULES]; struct wbuff_module mod[WBUFF_MAX_MODULES];
qdf_frag_cache_t pf_cache;
}; };
#endif /* _WBUFF_H */ #endif /* _WBUFF_H */

3
wbuff/src/wbuff.c
View File

@@ -97,7 +97,8 @@ static qdf_nbuf_t wbuff_prepare_nbuf(uint8_t module_id, uint8_t pool_id,
qdf_nbuf_t buf; qdf_nbuf_t buf;
unsigned long dev_scratch = 0; unsigned long dev_scratch = 0;
buf = qdf_nbuf_alloc(NULL, len, reserve, align, false); buf = qdf_nbuf_page_frag_alloc(NULL, len, reserve, align,
&wbuff.pf_cache);
if (!buf) if (!buf)
return NULL; return NULL;
dev_scratch = module_id; dev_scratch = module_id;